* java/io/ObjectStreamException.java: New file.

	* java/io/OptionalDataException.java: New file.
	* java/io/StreamCorruptedException.java: New file.
	* java/math/BigDecimal.java: New file.
	* java/sql/CallableStatement.java: New file.
	* java/sql/Connection.java: New file.
	* java/sql/DataTruncation.java: New file.
	* java/sql/DatabaseMetaData.java: New file.
	* java/sql/Date.java: New file.
	* java/sql/Driver.java: New file.
	* java/sql/DriverManager.java: New file.
	* java/sql/DriverPropertyInfo.java: New file.
	* java/sql/PreparedStatement.java: New file.
	* java/sql/ResultSet.java: New file.
	* java/sql/ResultSetMetaData.java: New file.
	* java/sql/SQLException.java: New file.
	* java/sql/SQLWarning.java: New file.
	* java/sql/Statement.java: New file.
	* java/sql/Time.java: New file.
	* java/sql/Timestamp.java: New file.
	* java/sql/Types.java: New file.
	* Makefile.am: Added above new files.
	* Makefile.in: Rebuilt.

	* mauve-libgcj: Turned on java.math, java.sql and java.security tests.
	* java/net/MulticastSocket.java (MulticastSocket): Pass values a la
	DatagramSocket constructor instead of null.

java.sql is JDK 1.1 Compliant


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@33077 138bc75d-0d04-0410-961f-82ee72b054a4

17 files changed, 6520 insertions, 0 deletions

diff --git a/libjava/java/sql/CallableStatement.java b/libjava/java/sql/CallableStatement.java
new file mode 100644
index 00000000000..75a6054ce7d
--- /dev/null
+++ b/libjava/java/sql/CallableStatement.java
@@ -0,0 +1,299 @@
+/* CallableStatement.java -- A statement for calling stored procedures.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package java.sql;
+
+import java.io.InputStream;
+import java.io.Reader;
+import java.math.BigDecimal;
+import java.util.Calendar;
+
+/**
+  * This interface provides a mechanism for calling stored procedures.
+  *
+  * @author Aaron M. Renn (arenn@urbanophile.com)
+  */
+public interface CallableStatement extends PreparedStatement
+{
+
+/*************************************************************************/
+
+/**
+  * This method tests whether the value of the last parameter that was fetched
+  * was actually a SQL NULL value.
+  *
+  * @return <code>true</code> if the last parameter fetched was a NULL,
+  * <code>false</code> otherwise.
+  * 
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+wasNull() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified parameter as a Java
+  * <code>String</code>.
+  *
+  * @param index The index of the parameter to return.
+  *
+  * @return The parameter value as a <code>String</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getString(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified parameter as a Java
+  * <code>Object</code>.
+  *
+  * @param index The index of the parameter to return.
+  *
+  * @return The parameter value as an <code>Object</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract Object
+getObject(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified parameter as a Java
+  * <code>boolean</code>.
+  *
+  * @param index The index of the parameter to return.
+  *
+  * @return The parameter value as a <code>boolean</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+getBoolean(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified parameter as a Java
+  * <code>byte</code>.
+  *
+  * @param index The index of the parameter to return.
+  *
+  * @return The parameter value as a <code>byte</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract byte
+getByte(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified parameter as a Java
+  * <code>short</code>.
+  *
+  * @param index The index of the parameter to return.
+  *
+  * @return The parameter value as a <code>short</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract short
+getShort(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified parameter as a Java
+  * <code>int</code>.
+  *
+  * @param index The index of the parameter to return.
+  *
+  * @return The parameter value as a <code>int</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getInt(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified parameter as a Java
+  * <code>long</code>.
+  *
+  * @param index The index of the parameter to return.
+  *
+  * @return The parameter value as a <code>long</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract long
+getLong(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified parameter as a Java
+  * <code>float</code>.
+  *
+  * @param index The index of the parameter to return.
+  *
+  * @return The parameter value as a <code>float</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract float
+getFloat(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified parameter as a Java
+  * <code>double</code>.
+  *
+  * @param index The index of the parameter to return.
+  *
+  * @return The parameter value as a <code>double</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract double
+getDouble(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified parameter as a Java
+  * <code>BigDecimal</code>.
+  *
+  * @param index The index of the parameter to return.
+  * @param scale The number of digits to the right of the decimal to return.
+  *
+  * @return The parameter value as a <code>BigDecimal</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract BigDecimal
+getBigDecimal(int index, int scale) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified parameter as a Java
+  * byte array.
+  *
+  * @param index The index of the parameter to return.
+  *
+  * @return The parameter value as a byte array
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract byte[]
+getBytes(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified parameter as a Java
+  * <code>java.sql.Date</code>.
+  *
+  * @param index The index of the parameter to return.
+  *
+  * @return The parameter value as a <code>java.sql.Date</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract java.sql.Date
+getDate(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified parameter as a Java
+  * <code>java.sql.Time</code>.
+  *
+  * @param index The index of the parameter to return.
+  *
+  * @return The parameter value as a <code>java.sql.Time</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract java.sql.Time
+getTime(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified parameter as a Java
+  * <code>java.sql.Timestamp</code>.
+  *
+  * @param index The index of the parameter to return.
+  *
+  * @return The parameter value as a <code>java.sql.Timestamp</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract java.sql.Timestamp
+getTimestamp(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method registers the specified parameter as an output parameter
+  * of the specified SQL type.
+  *
+  * @param index The index of the parameter to register as output.
+  * @param type The SQL type value from <code>Types</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+registerOutParameter(int index, int type) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method registers the specified parameter as an output parameter
+  * of the specified SQL type and scale.
+  *
+  * @param index The index of the parameter to register as output.
+  * @param type The SQL type value from <code>Types</code>.
+  * @param scale The scale of the value that will be returned.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+registerOutParameter(int index, int type, int scale) throws SQLException;
+
+} // interface CallableStatement
+
+
diff --git a/libjava/java/sql/Connection.java b/libjava/java/sql/Connection.java
new file mode 100644
index 00000000000..bb826a67e66
--- /dev/null
+++ b/libjava/java/sql/Connection.java
@@ -0,0 +1,350 @@
+/* Connection.java -- Manage a database connection.
+   Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package java.sql;
+
+/**
+  * This interface provides methods for managing a connection to a database.
+  *
+  * @author Aaron M. Renn (arenn@urbanophile.com)
+  */
+public interface Connection
+{
+
+/**
+  * This transaction isolation level indicates that transactions are not
+  * supported.
+  */
+public static final int TRANSACTION_NONE = 0;
+
+/**
+  * This transaction isolation level indicates that one transaction can
+  * read modifications by other transactions before the other transactions
+  * have committed their changes.  This could result in invalid reads.
+  */
+public static final int TRANSACTION_READ_UNCOMMITTED = 1;
+
+/**
+  * This transaction isolation leve indicates that only committed data from
+  * other transactions will be read.  If a transaction reads a row, then
+  * another transaction commits a change to that row, the first transaction
+  * would retrieve the changed row on subsequent reads of the same row.
+  */
+public static final int TRANSACTION_READ_COMMITTED = 2;
+
+/**
+  * This transaction isolation level indicates that only committed data from
+  * other transactions will be read.  It also ensures that data read from
+  * a row will not be different on a subsequent read even if another
+  * transaction commits a change.
+  */
+public static final int TRANSACTION_REPEATABLE_READ = 4;
+
+/**
+  * This transaction isolation level indicates that only committed data from
+  * other transactions will be read.  It also ensures that data read from
+  * a row will not be different on a subsequent read even if another
+  * transaction commits a change.  Additionally, rows modified by other
+  * transactions will not affect the result set returned during subsequent
+  * executions of the same WHERE clause in this transaction.
+  */
+public static final int TRANSACTION_SERIALIZABLE = 8;
+
+/*************************************************************************/
+
+/**
+  * This method creates a new SQL statement.  The default result set type
+  * and concurrency will be used.
+  *
+  * @return A new <code>Statement</code> object. 
+  *
+  * @exception SQLException If an error occurs.
+  *
+  * @see Statement
+  */
+public abstract Statement
+createStatement() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method creates a new <code>PreparedStatement</code> for the specified
+  * SQL string.  This method is designed for use with parameterized
+  * statements.  The default result set type and concurrency will be used.
+  *
+  * @param The SQL statement to use in creating this 
+  * <code>PreparedStatement</code>.
+  *
+  * @return A new <code>PreparedStatement</code>.
+  *
+  * @exception SQLException If an error occurs.
+  *
+  * @see PreparedStatement
+  */
+public abstract PreparedStatement
+prepareStatement(String sql) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method creates a new <code>CallableStatement</code> for the 
+  * specified SQL string.  Thie method is designed to be used with
+  * stored procedures.  The default result set type and concurrency
+  * will be used.
+  *
+  * @param The SQL statement to use in creating this 
+  * <code>CallableStatement</code>.
+  *
+  * @return A new <code>CallableStatement</code>.
+  *
+  * @exception SQLException If an error occurs.
+  *
+  * @see CallableStatement
+  */
+public abstract CallableStatement
+prepareCall(String sql) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method converts the specified generic SQL statement into the
+  * native grammer of the database this object is connected to.
+  *
+  * @param The JDBC generic SQL statement.
+  *
+  * @return The native SQL statement.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+nativeSQL(String sql) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not auto commit mode is currently enabled.
+  * In auto commit mode,  every SQL statement is committed its own transaction.
+  * Otherwise a transaction must be explicitly committed or rolled back.
+  *
+  * @return <code>true</code> if auto commit mode is enabled, 
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  *
+  * @see commit
+  * @see rollback
+  */
+public abstract boolean
+getAutoCommit() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method turns auto commit mode on or off.  In auto commit mode,
+  * every SQL statement is committed its own transaction.  Otherwise a
+  * transaction must be explicitly committed or rolled back.
+  *
+  * @param autoCommit <code>true</code> to enable auto commit mode,
+  * <code>false</code> to disable it.
+  *
+  * @exception SQLException If an error occurs.
+  *
+  * @see commit
+  * @see rollback
+  */
+public abstract void
+setAutoCommit(boolean autoCommit) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method commits any SQL statements executed on this connection since 
+  * the last commit or rollback.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+commit() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method rolls back any SQL statements executed on this connection
+  * since the last commit or rollback.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+rollback() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method immediately closes this database connection.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+close() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not this connection has been closed. 
+  *
+  * @return <code>true</code> if the connection is closed, <code>false</code>
+  * otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+isClosed() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the meta data for this database connection.
+  *
+  * @return The meta data for this database.
+  *
+  * @exception SQLException If an error occurs.
+  *
+  * @see DatabaseMetaData
+  */
+public abstract DatabaseMetaData
+getMetaData() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not this connection is in read only mode.
+  *
+  * @return <code>true</code> if the connection is read only <code>false</code>
+  * otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+isReadOnly() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method turns read only mode on or off.  It may not be called while
+  * a transaction is in progress.
+  *
+  * @param readOnly <code>true</code> if this connection is read only,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+setReadOnly(boolean readOnly) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the name of the catalog in use by this connection,
+  * if any.
+  *
+  * @return The name of the catalog, or <code>null</code> if one does not
+  * exist or catalogs are not supported by this database.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getCatalog() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method sets the name of the catalog in use by this connection.
+  * Note that this method does nothing if catalogs are not supported by
+  * this database.
+  *
+  * @param catalog The name of the catalog to use for this connection.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+setCatalog(String catalog) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the current transaction isolation mode.  This will
+  * be one of the constants defined in this interface.
+  *
+  * @return The transaction isolation level.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getTransactionIsolation() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method sets the transaction isolation level using one of the
+  * constants defined in this interface.
+  *
+  * @param level The transaction isolation level to change to; must be
+  * one of the TRANSACTION_* isolation values with the exception of
+  * TRANSACTION_NONE; some databases may not support other values.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+setTransactionIsolation(int level) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the first warning that occurred on this connection,
+  * if any.  If there were any subsequence warnings, they will be chained
+  * to the first one.
+  *
+  * @return The first <code>SQLWarning</code> that occurred, or 
+  * <code>null</code> if there have been no warnings.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract SQLWarning
+getWarnings() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method clears all warnings that have occurred on this connection.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+clearWarnings() throws SQLException;
+
+} // interface Connection
+
diff --git a/libjava/java/sql/DataTruncation.java b/libjava/java/sql/DataTruncation.java
new file mode 100644
index 00000000000..bb9ada602a4
--- /dev/null
+++ b/libjava/java/sql/DataTruncation.java
@@ -0,0 +1,185 @@
+/* DataTruncation.java -- Warning when data has been truncated.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package java.sql;
+
+/**
+  * This exception is thrown when a piece of data is unexpectedly 
+  * truncated in JDBC.
+  *
+  * @author Aaron M. Renn (arenn@urbanophile.com)
+  */
+public class DataTruncation extends SQLWarning implements java.io.Serializable
+{
+
+/*************************************************************************/
+
+/*
+ * Instance Variables
+ */
+
+/**
+  * The original size of the data.
+  * @serialized
+  */
+private int dataSize;
+
+/**
+  * The index of the parameter or column whose value was truncated.
+  * @serialized
+  */
+private int index;
+
+/**
+  * Indicates whether or not a parameter value was truncated.
+  * @serialized
+  */
+private boolean parameter;
+
+/**
+  * Indicates whether or not a data column value was truncated.
+  * @serialized
+  */
+private boolean read;
+
+/**
+  * This is the size of the data after truncation.
+  * @serialized
+  */
+private int transferSize;
+
+/*************************************************************************/
+
+/*
+ * Constructors
+ */
+
+/**
+  * This method initializes a new instance of <code>DataTruncation</code>
+  * with the specified values.  The descriptive error message for this 
+  * exception will be "Data truncation", the SQL state will be "01004"
+  * and the vendor specific error code will be set to 0.
+  *
+  * @param index The index of the parameter or column that was truncated.
+  * @param parameter <code>true</code> if a parameter was truncated,
+  * <code>false</code> otherwise.
+  * @param read <code>true</code> if a data column was truncated,
+  * <code>false</code> otherwise.
+  * @param dataSize The original size of the data.
+  * @param transferSize The size of the data after truncation.
+  */
+public
+DataTruncation(int index, boolean parameter, boolean read, int dataSize,
+               int transferSize)
+{
+  super("Data truncation", "01004");
+
+  this.index = index;
+  this.parameter = parameter;
+  this.read = read;
+  this.dataSize = dataSize;
+  this.transferSize = transferSize;
+}
+
+/*************************************************************************/
+
+/*
+ * Instance Methods
+ */
+
+/**
+  * This method returns the index of the column or parameter that was
+  * truncated.
+  *
+  * @return The index of the column or parameter that was truncated.
+  */
+public int
+getIndex()
+{
+  return(index);
+}
+
+/*************************************************************************/
+
+/**
+  * This method determines whether or not it was a parameter that was
+  * truncated.
+  *
+  * @return <code>true</code> if a parameter was truncated, <code>false</code>
+  * otherwise.
+  */
+public boolean
+getParameter()
+{
+  return(parameter);
+}
+
+/*************************************************************************/
+
+/**
+  * This method determines whether or not it was a column that was
+  * truncated.
+  *
+  * @return <code>true</code> if a column was truncated, <code>false</code>
+  * otherwise.
+  */
+public boolean
+getRead()
+{
+  return(read);
+}
+
+/*************************************************************************/
+
+/**
+  * This method returns the original size of the parameter or column that
+  * was truncated.
+  *
+  * @return The original size of the parameter or column that was truncated.
+  */
+public int
+getDataSize()
+{
+  return(dataSize);
+}
+
+/*************************************************************************/
+
+/**
+  * This method returns the size of the parameter or column after it was
+  * truncated.
+  *
+  * @return The size of the parameter or column after it was truncated.
+  */
+public int
+getTransferSize()
+{
+  return(transferSize);
+}
+
+} // class DataTruncation
+
diff --git a/libjava/java/sql/DatabaseMetaData.java b/libjava/java/sql/DatabaseMetaData.java
new file mode 100644
index 00000000000..d0f4e1a60c3
--- /dev/null
+++ b/libjava/java/sql/DatabaseMetaData.java
@@ -0,0 +1,2460 @@
+/* DatabaseMetaData.java -- Information about the database itself.
+   Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package java.sql;
+
+/**
+  * This interface provides a mechanism for obtaining information about
+  * the database itself, as opposed to data in it.
+  *
+  * @author Aaron M. Renn (arenn@urbanophile.com)
+  */
+public interface DatabaseMetaData
+{
+
+/**
+  * The best row may or may not be a pseudo-column.
+  */
+public static final int bestRowUnknown = 0;
+
+/**
+  * The best row identifier is not a pseudo-column.
+  */
+public static final int bestRowNotPseudo = 1;
+
+/**
+  * The best row identifer is a pseudo-column.
+  */
+public static final int bestRowPseudo = 2;
+
+/**
+  * The best row's scope is only guaranteed to be valid so long as the
+  * row is actually being used.
+  */
+public static final int bestRowTemporary = 0;
+
+/**
+  * The best row identifer is valid to the end of the transaction.
+  */
+public static final int bestRowTransaction = 1;
+
+/**
+  * The best row identifer is valid to the end of the session.
+  */
+public static final int bestRowSession = 2;
+
+/**
+  * It is unknown whether or not the procedure returns a result.
+  */
+public static final int procedureResultUnknown = 0;
+
+/**
+  * The procedure does not return a result.
+  */
+public static final int procedureNoResult = 1;
+
+/**
+  * The procedure returns a result.
+  */
+public static final int procedureReturnsResult = 2;
+
+/**
+  * The column type is unknown.
+  */
+public static final int procedureColumnUnknown = 0;
+
+/**
+  * The column type is input.
+  */
+public static final int procedureColumnIn = 1;
+
+/**
+  * The column type is input/output.
+  */
+public static final int procedureColumnInOut = 2;
+
+/**
+  * The column type is output
+  */
+public static final int procedureColumnOut = 4;
+
+/**
+  * The column is used for return values.
+  */
+public static final int procedureColumnReturn = 5;
+
+/**
+  * The column is used for storing results
+  */
+public static final int procedureColumnResult = 3;
+
+/**
+  * NULL values are not allowed.
+  */
+public static final int procedureNoNulls = 0;
+
+/**
+  * NULL values are allowed.
+  */
+public static final int procedureNullable = 1;
+
+/**
+  * It is unknown whether or not NULL values are allowed.
+  */
+public static final int procedureNullableUnknown = 2;
+
+/**
+  * The column does not allow NULL
+  */
+public static final int columnNoNulls = 0;
+
+/**
+  * The column does allow NULL
+  */
+public static final int columnNullable = 1;
+
+/**
+  * It is unknown whether or not the column allows NULL
+  */
+public static final int columnNullableUnknown = 2;
+
+/**
+  * It is unknown whether or not the version column is a pseudo-column.
+  */
+public static final int versionColumnUnknown = 0;
+
+/**
+  * The version column is not a pseudo-column
+  */
+public static final int versionColumnNotPseudo = 1;
+
+/**
+  * The version column is a pseudo-column
+  */
+public static final int versionColumnPseudo = 2;
+
+/**
+  * Foreign key changes are cascaded in updates or deletes.
+  */
+public static final int importedKeyCascade = 0;
+
+/**
+  * Column may not be updated or deleted in use as a foreign key.
+  */
+public static final int importedKeyRestrict = 1;
+
+/**
+  * When primary key is updated or deleted, the foreign key is set to NULL.
+  */
+public static final int importedKeySetNull = 2;
+
+/**
+  * If the primary key is a foreign key, it cannot be udpated or deleted.
+  */
+public static final int importedKeyNoAction = 3;
+
+/**
+  * If the primary key is updated or deleted, the foreign key is set to
+  * a default value.
+  */
+public static final int importedKeySetDefault = 4;
+
+/**
+  * Wish I knew what this meant.
+  */
+public static final int importedKeyInitiallyDeferred = 5;
+
+/**
+  * Wish I knew what this meant.
+  */
+public static final int importedKeyInitiallyImmediate = 6;
+
+/**
+  * Wish I knew what this meant.
+  */
+public static final int importedKeyNotDeferrable = 7;
+
+/**
+  * A NULL value is not allowed for this data type.
+  */
+public static final int typeNoNulls = 0;
+
+/**
+  * A NULL value is allowed for this data type.
+  */
+public static final int typeNullable = 1;
+
+/**
+  * It is unknown whether or not NULL values are allowed for this data type.
+  */
+public static final int typeNullableUnknown = 2;
+
+/**
+  * Where clauses are not supported for this type.
+  */
+public static final int typePredNone = 0;
+
+/**
+  * Only "WHERE..LIKE" style WHERE clauses are allowed on this data type.
+  */
+public static final int typePredChar = 1;
+
+/**
+  * All WHERE clauses except "WHERE..LIKE" style are allowed on this data type.
+  */
+public static final int typePredBasic = 2;
+
+/**
+  * Any type of WHERE clause is allowed for this data type.
+  */
+public static final int typeSearchable = 3;
+
+/**
+  * This column contains table statistics.
+  */
+public static final short tableIndexStatistic = 0;
+
+/**
+  * This table index is clustered.
+  */
+public static final short tableIndexClustered = 1;
+
+/**
+  * This table index is hashed.
+  */
+public static final short tableIndexHashed = 2;
+
+/**
+  * This table index is of another type.
+  */
+public static final short tableIndexOther = 3;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not all the procedures returned by
+  * the <code>getProcedures</code> method can be called by this user.
+  *
+  * @return <code>true</code> if all the procedures can be called,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+allProceduresAreCallable() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not all the table returned by the
+  * <code>getTables</code> method can be selected by this user.
+  *
+  * @return <code>true</code> if all the procedures can be called,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+allTablesAreSelectable() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the URL for this database.
+  *
+  * @return The URL string for this database, or <code>null</code> if it
+  * is not known.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getURL() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the database username for this connection.
+  *
+  * @return The database username.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getUserName() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database is in read only mode.
+  *
+  * @return <code>true</code> if the database is in read only mode,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+isReadOnly() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not NULL's sort as high values.
+  *
+  * @return <code>true</code> if NULL's sort as high values, <code>false</code>
+  * otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+nullsAreSortedHigh() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not NULL's sort as low values.
+  *
+  * @return <code>true</code> if NULL's sort as low values, <code>false</code>
+  * otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+nullsAreSortedLow() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method test whether or not NULL's are sorted to the beginning
+  * of the list regardless of ascending or descending sort order.
+  *
+  * @return <code>true</code> if NULL's always sort to the beginning,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+nullsAreSortedAtStart() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method test whether or not NULL's are sorted to the end
+  * of the list regardless of ascending or descending sort order.
+  *
+  * @return <code>true</code> if NULL's always sort to the end,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+nullsAreSortedAtEnd() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the name of the database product.
+  *
+  * @return The database product.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getDatabaseProductName() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the version of the database product.
+  *
+  * @return The version of the database product.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getDatabaseProductVersion() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the name of the JDBC driver.
+  *
+  * @return The name of the JDBC driver.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getDriverName() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the version of the JDBC driver.
+  *
+  * @return The version of the JDBC driver.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getDriverVersion() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the major version number of the JDBC driver.
+  *
+  * @return The major version number of the JDBC driver.
+  */
+public abstract int
+getDriverMajorVersion();
+
+/*************************************************************************/
+
+/**
+  * This method returns the minor version number of the JDBC driver.
+  *
+  * @return The minor version number of the JDBC driver.
+  */
+public abstract int
+getDriverMinorVersion();
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database uses local files to
+  * store tables.
+  *
+  * @return <code>true</code> if the database uses local files, 
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+usesLocalFiles() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database uses a separate file for
+  * each table.
+  *
+  * @return <code>true</code> if the database uses a separate file for each
+  * table </code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+usesLocalFilePerTable() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database supports identifiers
+  * with mixed case.
+  *
+  * @return <code>true</code> if the database supports mixed case identifiers,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsMixedCaseIdentifiers() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database treats mixed case
+  * identifiers as all upper case.
+  *
+  * @exception <code>true</code> if the database treats all identifiers as
+  * upper case, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+storesUpperCaseIdentifiers() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database treats mixed case
+  * identifiers as all lower case.
+  *
+  * @exception <code>true</code> if the database treats all identifiers as
+  * lower case, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+storesLowerCaseIdentifiers() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database stores mixed case 
+  * identifers even if it treats them as case insensitive.
+  *
+  * @return <code>true</code> if the database stores mixed case identifiers,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+storesMixedCaseIdentifiers() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database supports quoted identifiers
+  * with mixed case.
+  *
+  * @return <code>true</code> if the database supports mixed case quoted
+  * identifiers, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsMixedCaseQuotedIdentifiers() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database treats mixed case
+  * quoted identifiers as all upper case.
+  *
+  * @exception <code>true</code> if the database treats all quoted identifiers 
+  * as upper case, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+storesUpperCaseQuotedIdentifiers() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database treats mixed case
+  * quoted identifiers as all lower case.
+  *
+  * @exception <code>true</code> if the database treats all quoted identifiers 
+  * as lower case, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+storesLowerCaseQuotedIdentifiers() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database stores mixed case 
+  * quoted identifers even if it treats them as case insensitive.
+  *
+  * @return <code>true</code> if the database stores mixed case quoted 
+  * identifiers, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+storesMixedCaseQuotedIdentifiers() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This metohd returns the quote string for SQL identifiers.
+  *
+  * @return The quote string for SQL identifers, or a space if quoting
+  * is not supported.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getIdentifierQuoteString() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a comma separated list of all the SQL keywords in
+  * the database that are not in SQL92.
+  *
+  * @return The list of SQL keywords not in SQL92.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getSQLKeywords() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a comma separated list of math functions.
+  *
+  * @return The list of math functions.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getNumericFunctions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a comma separated list of string functions.
+  *
+  * @return The list of string functions.
+  * 
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getStringFunctions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a comma separated list of of system functions.
+  *
+  * @return A comma separated list of system functions.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getSystemFunctions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns comma separated list of time/date functions.
+  * 
+  * @return The list of time/date functions.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getTimeDateFunctions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the string used to escape wildcards in search strings.
+  *
+  * @return The string used to escape wildcards in search strings.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getSearchStringEscape() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This methods returns non-standard characters that can appear in 
+  * unquoted identifiers.
+  *
+  * @return Non-standard characters that can appear in unquoted identifiers.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getExtraNameCharacters() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database supports
+  * "ALTER TABLE ADD COLUMN"
+  *
+  * @return <code>true</code> if column add supported, <code>false</code>
+  * otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsAlterTableWithAddColumn() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database supports
+  * "ALTER TABLE DROP COLUMN"
+  *
+  * @return <code>true</code> if column drop supported, <code>false</code>
+  * otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsAlterTableWithDropColumn() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not column aliasing is supported.
+  *
+  * @return <code>true</code> if column aliasing is supported,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsColumnAliasing() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether the concatenation of a NULL and non-NULL
+  * value results in a NULL.  This will always be true in fully JDBC compliant
+  * drivers.
+  *
+  * @return <code>true</code> if concatenating NULL and a non-NULL value
+  * returns a NULL, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+nullPlusNonNullIsNull() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * Tests whether or not CONVERT is supported.
+  *
+  * @return <code>true</code> if CONVERT is supported, <code>false</code>
+  * otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsConvert() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not CONVERT can be performed between the
+  * specified types.  The types are contants from <code>Types</code>.
+  *
+  * @param fromType The SQL type to convert from.
+  * @param toType The SQL type to convert to.
+  * 
+  * @return <code>true</code> if the conversion can be performed,
+  * <code>false</code> otherwise.
+  *
+  * @see Types
+  */
+public abstract boolean
+supportsConvert(int fromType, int toType) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not table correlation names are 
+  * supported.  This will be always be <code>true</code> in a fully JDBC
+  * compliant driver.
+  *
+  * @return <code>true</code> if table correlation names are supported,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsTableCorrelationNames() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether correlation names must be different from the
+  * name of the table.
+  *
+  * @return <code>true</code> if the correlation name must be different from
+  * the table name, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsDifferentTableCorrelationNames() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not expressions are allowed in an
+  * ORDER BY lists.
+  *
+  * @return <code>true</code> if expressions are allowed in ORDER BY
+  * lists, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsExpressionsInOrderBy() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or ORDER BY on a non-selected column is
+  * allowed.
+  *
+  * @return <code>true</code> if a non-selected column can be used in an
+  * ORDER BY, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsOrderByUnrelated() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not GROUP BY is supported.
+  *
+  * @return <code>true</code> if GROUP BY is supported, <code>false</code>
+  * otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsGroupBy() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether GROUP BY on a non-selected column is
+  * allowed.
+  *
+  * @return <code>true</code> if a non-selected column can be used in a
+  * GROUP BY, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsGroupByUnrelated() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not a GROUP BY can add columns not in the
+  * select if it includes all the columns in the select.
+  *
+  * @return <code>true</code> if GROUP BY an add columns provided it includes
+  * all columns in the select, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsGroupByBeyondSelect() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the escape character is supported in
+  * LIKE expressions.  A fully JDBC compliant driver will always return
+  * <code>true</code>.
+  *
+  * @return <code>true</code> if escapes are supported in LIKE expressions,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean supportsLikeEscapeClause() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether multiple result sets for a single statement are
+  * supported.
+  *
+  * @return <code>true</code> if multiple result sets are supported for a 
+  * single statement, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsMultipleResultSets() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method test whether or not multiple transactions may be open
+  * at once, as long as they are on different connections.
+  *
+  * @return <code>true</code> if multiple transactions on different
+  * connections are supported, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsMultipleTransactions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not columns can be defined as NOT NULL.  A
+  * fully JDBC compliant driver always returns <code>true</code>.
+  *
+  * @return <code>true</code> if NOT NULL columns are supported,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsNonNullableColumns() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the minimum grammer for ODBC is supported.
+  * A fully JDBC compliant driver will always return <code>true</code>.
+  *
+  * @return <code>true</code> if the ODBC minimum grammar is supported,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsMinimumSQLGrammar() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the core grammer for ODBC is supported.
+  *
+  * @return <code>true</code> if the ODBC core grammar is supported,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsCoreSQLGrammar() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the extended grammer for ODBC is supported.
+  *
+  * @return <code>true</code> if the ODBC extended grammar is supported,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsExtendedSQLGrammar() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the ANSI92 entry level SQL
+  * grammar is supported.  A fully JDBC compliant drivers must return
+  * <code>true</code>.
+  *
+  * @return <code>true</code> if the ANSI92 entry level SQL grammar is
+  * supported, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsANSI92EntryLevelSQL() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the ANSI92 intermediate SQL
+  * grammar is supported.  
+  *
+  * @return <code>true</code> if the ANSI92 intermediate SQL grammar is
+  * supported, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsANSI92IntermediateSQL() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the ANSI92 full SQL
+  * grammar is supported.  
+  *
+  * @return <code>true</code> if the ANSI92 full SQL grammar is
+  * supported, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsANSI92FullSQL() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the SQL integrity enhancement
+  * facility is supported.
+  *
+  * @return <code>true</code> if the integrity enhancement facility is
+  * supported, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsIntegrityEnhancementFacility() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database supports outer joins.
+  *
+  * @return <code>true</code> if outer joins are supported, <code>false</code>
+  * otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsOuterJoins() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database supports full outer joins.
+  *
+  * @return <code>true</code> if full outer joins are supported, 
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsFullOuterJoins() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database supports limited outer joins.
+  *
+  * @return <code>true</code> if limited outer joins are supported, 
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsLimitedOuterJoins() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the vendor's term for "schema".
+  *
+  * @return The vendor's term for schema.
+  *
+  * @exception SQLException if an error occurs.
+  */
+public abstract String
+getSchemaTerm() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the vendor's term for "procedure".
+  *
+  * @return The vendor's term for procedure.
+  *
+  * @exception SQLException if an error occurs.
+  */
+public abstract String
+getProcedureTerm() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the vendor's term for "catalog".
+  *
+  * @return The vendor's term for catalog.
+  *
+  * @exception SQLException if an error occurs.
+  */
+public abstract String
+getCatalogTerm() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether a catalog name appears at the beginning of
+  * a fully qualified table name.
+  *
+  * @return <code>true</code> if the catalog name appears at the beginning,
+  * <code>false</code> if it appears at the end.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+isCatalogAtStart() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the separator between the catalog name and the
+  * table name.
+  *
+  * @return The separator between the catalog name and the table name.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getCatalogSeparator() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether a catalog name can appear in a data
+  * manipulation statement.
+  *
+  * @return <code>true</code> if a catalog name can appear in a data
+  * manipulation statement, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsSchemasInDataManipulation() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether a catalog name can appear in a procedure
+  * call
+  *
+  * @return <code>true</code> if a catalog name can appear in a procedure
+  * call, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsSchemasInProcedureCalls() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether a catalog name can appear in a table definition.
+  *
+  * @return <code>true</code> if a catalog name can appear in a table
+  * definition, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsSchemasInTableDefinitions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether a catalog name can appear in an index definition.
+  *
+  * @return <code>true</code> if a catalog name can appear in an index
+  * definition, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsSchemasInIndexDefinitions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether a catalog name can appear in privilege definitions.
+  *
+  * @return <code>true</code> if a catalog name can appear in privilege
+  * definition, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsSchemasInPrivilegeDefinitions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether a catalog name can appear in a data
+  * manipulation statement.
+  *
+  * @return <code>true</code> if a catalog name can appear in a data
+  * manipulation statement, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsCatalogsInDataManipulation() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether a catalog name can appear in a procedure
+  * call
+  *
+  * @return <code>true</code> if a catalog name can appear in a procedure
+  * call, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsCatalogsInProcedureCalls() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether a catalog name can appear in a table definition.
+  *
+  * @return <code>true</code> if a catalog name can appear in a table
+  * definition, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsCatalogsInTableDefinitions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether a catalog name can appear in an index definition.
+  *
+  * @return <code>true</code> if a catalog name can appear in an index
+  * definition, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsCatalogsInIndexDefinitions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether a catalog name can appear in privilege definitions.
+  *
+  * @return <code>true</code> if a catalog name can appear in privilege
+  * definition, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsCatalogsInPrivilegeDefinitions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not that database supports positioned
+  * deletes.
+  *
+  * @return <code>true</code> if positioned deletes are supported,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsPositionedDelete() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not that database supports positioned
+  * updates.
+  *
+  * @return <code>true</code> if positioned updates are supported,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsPositionedUpdate() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not SELECT FOR UPDATE is supported by the
+  * database.
+  *
+  * @return <code>true</code> if SELECT FOR UPDATE is supported 
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsSelectForUpdate() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not stored procedures are supported on
+  * this database.
+  *
+  * @return <code>true</code> if stored procedures are supported,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsStoredProcedures() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not subqueries are allowed in comparisons.
+  * A fully JDBC compliant driver will always return <code>true</code>.
+  *
+  * @return <code>true</code> if subqueries are allowed in comparisons,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsSubqueriesInComparisons() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not subqueries are allowed in exists
+  * expressions.  A fully JDBC compliant driver will always return
+  * <code>true</code>.
+  *
+  * @return <code>true</code> if subqueries are allowed in exists 
+  * expressions, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsSubqueriesInExists() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether subqueries are allowed in IN statements.
+  * A fully JDBC compliant driver will always return <code>true</code>.
+  *
+  * @return <code>true</code> if the driver supports subqueries in IN
+  * statements, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsSubqueriesInIns() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not subqueries are allowed in quantified
+  * expressions.  A fully JDBC compliant driver will always return
+  * <code>true</code>.
+  *
+  * @return <code>true</code> if subqueries are allowed in quantified 
+  * expressions, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsSubqueriesInQuantifieds() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method test whether or not correlated subqueries are allowed. A
+  * fully JDBC compliant driver will always return <code>true</code>.
+  *
+  * @return <code>true</code> if correlated subqueries are allowed,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsCorrelatedSubqueries() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the UNION statement is supported.
+  *
+  * @return <code>true</code> if UNION is supported, <code>false</code>
+  * otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsUnion() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the UNION ALL statement is supported.
+  *
+  * @return <code>true</code> if UNION ALL is supported, <code>false</code>
+  * otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsUnionAll() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database supports cursors
+  * remaining open across commits.
+  *
+  * @return <code>true</code> if cursors can remain open across commits,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsOpenCursorsAcrossCommit() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database supports cursors
+  * remaining open across rollbacks.
+  *
+  * @return <code>true</code> if cursors can remain open across rollbacks,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsOpenCursorsAcrossRollback() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database supports statements
+  * remaining open across commits.
+  *
+  * @return <code>true</code> if statements can remain open across commits,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsOpenStatementsAcrossCommit() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database supports statements
+  * remaining open across rollbacks.
+  *
+  * @return <code>true</code> if statements can remain open across rollbacks,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsOpenStatementsAcrossRollback() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the number of hex characters allowed in an inline
+  * binary literal.
+  *
+  * @return The number of hex characters allowed in a binary literal, 0 meaning
+  * either an unknown or unlimited number.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxBinaryLiteralLength() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum length of a character literal.
+  * 
+  * @return The maximum length of a character literal.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxCharLiteralLength() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum length of a column name.
+  *
+  * @return The maximum length of a column name.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxColumnNameLength() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum number of columns in a GROUP BY statement.
+  *
+  * @return The maximum number of columns in a GROUP BY statement.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxColumnsInGroupBy() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum number of columns in an index.
+  *
+  * @return The maximum number of columns in an index.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxColumnsInIndex() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum number of columns in an ORDER BY statement.
+  *
+  * @return The maximum number of columns in an ORDER BY statement.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxColumnsInOrderBy() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum number of columns in a SELECT statement.
+  *
+  * @return The maximum number of columns in a SELECT statement.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxColumnsInSelect() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum number of columns in a table.
+  *
+  * @return The maximum number of columns in a table.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxColumnsInTable() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum number of connections this client
+  * can have to the database.
+  *
+  * @return The maximum number of database connections.
+  *
+  * @SQLException If an error occurs.
+  */
+public abstract int
+getMaxConnections() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum length of a cursor name.
+  *
+  * @return The maximum length of a cursor name.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxCursorNameLength() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum length of an index.
+  *
+  * @return The maximum length of an index.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxIndexLength() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum length of a schema name.
+  *
+  * @return The maximum length of a schema name.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxSchemaNameLength() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum length of a procedure name.
+  *
+  * @return The maximum length of a procedure name.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxProcedureNameLength() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum length of a catalog name.
+  *
+  * @return The maximum length of a catalog name.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxCatalogNameLength() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum size of a row in bytes.
+  *
+  * @return The maximum size of a row.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxRowSize() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the maximum row size includes BLOB's
+  *
+  * @return <code>true</code> if the maximum row size includes BLOB's,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+doesMaxRowSizeIncludeBlobs() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method includes the maximum length of a SQL statement.
+  *
+  * @return The maximum length of a SQL statement.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxStatementLength() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum number of statements that can be
+  * active at any time.
+  *
+  * @return The maximum number of statements that can be active at any time.
+  * 
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxStatements() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum length of a table name.
+  *
+  * @return The maximum length of a table name.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxTableNameLength() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum number of tables that may be referenced
+  * in a SELECT statement.
+  *
+  * @return The maximum number of tables allowed in a SELECT statement.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxTablesInSelect() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum length of a user name.
+  *
+  * @return The maximum length of a user name.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxUserNameLength() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the default transaction isolation level of the
+  * database.
+  *
+  * @return The default transaction isolation level of the database.
+  *
+  * @exception SQLException If an error occurs.
+  *
+  * @see Connection
+  */
+public abstract int
+getDefaultTransactionIsolation() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database supports transactions.
+  *
+  * @return <code>true</code> if the database supports transactions,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsTransactions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the database supports the specified
+  * transaction isolation level.
+  *
+  * @param level The transaction isolation level.
+  *
+  * @return <code>true</code> if the specified transaction isolation level
+  * is supported, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsTransactionIsolationLevel(int level) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not DDL and DML statements allowed within 
+  * the same transaction.
+  *
+  * @return <code>true</code> if DDL and DML statements are allowed in the
+  * same transaction, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsDataDefinitionAndDataManipulationTransactions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not only DML statement are allowed
+  * inside a transaction.
+  *
+  * @return <code>true</code> if only DML statements are allowed in
+  * transactions, <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+supportsDataManipulationTransactionsOnly() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not a DDL statement will cause the
+  * current transaction to be automatically committed.
+  *
+  * @return <code>true</code> if DDL causes an immediate transaction commit,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+dataDefinitionCausesTransactionCommit() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not DDL statements are ignored in
+  * transactions.
+  *
+  * @return <code>true</code> if DDL statements are ignored in transactions,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+dataDefinitionIgnoredInTransactions() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a list of all the stored procedures matching the
+  * specified pattern in the given schema and catalog.  This is returned
+  * a <code>ResultSet</code> with the following columns:
+  * <p>
+  * <ol>
+  * <li>PROCEDURE_CAT - The catalog the procedure is in, which may be 
+  * <code>null</code>.
+  * <li>PROCEDURE_SCHEM - The schema the procedures is in, which may be
+  * <code>null</code>.
+  * <li>PROCEDURE_NAME - The name of the procedure.
+  * <li>Unused
+  * <li>Unused
+  * <li>Unused
+  * <li>REMARKS - A description of the procedure
+  * <li>PROCEDURE_TYPE - Indicates the return type of the procedure, which 
+  * is one of the contstants defined in this class 
+  * (<code>procedureResultUnknown</code>, <code>procedureNoResult</code>, or
+  * <code>procedureReturnsResult</code>).
+  * </ol>
+  *
+  * @param catalog The name of the catalog to return stored procedured from,
+  * or "" to return procedures from all catalogs.
+  * @param schemaPattern A schema pattern for the schemas to return stored
+  * procedures from, or "" to return procedures from all schemas.
+  * @param namePattern The pattern of procedures names to return.
+  *
+  * @returns A <code>ResultSet</code> with all the requested procedures.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getProcedures(String catalog, String schemaPattern, String namePattern)
+              throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a list of the parameter and result columns for
+  * the requested stored procedures.  This is returned in the form of a
+  * <code>ResultSet</code> with the following columns:
+  * <p>
+  * <ol>
+  * <li>PROCEDURE_CAT - The catalog the procedure is in, which may be 
+  * <code>null</code>.
+  * <li>PROCEDURE_SCHEM - The schema the procedures is in, which may be
+  * <code>null</code>.
+  * <li>PROCEDURE_NAME - The name of the procedure.
+  * <li>COLUMN_NAME - The name of the column
+  * <li>COLUMN_TYPE - The type of the column, which will be one of the
+  * contants defined in this class (<code>procedureColumnUnknown</code>,
+  * <code>procedureColumnIn</code>, <code>procedureColumnInOut</code>,
+  * <code>procedureColumnOut</code>, <code>procedureColumnReturn</code>,
+  * or <code>procedureColumnResult</code>).
+  * <li>DATA_TYPE - The SQL type of the column. This is one of the constants
+  * defined in <code>Types</code>.
+  * <li>TYPE_NAME - The string name of the data type for this column.
+  * <li>PRECISION - The precision of the column.
+  * <li>LENGTH - The length of the column in bytes
+  * <li>SCALE - The scale of the column.
+  * <li>RADIX - The radix of the column.
+  * <li>NULLABLE - Whether or not the column is NULLABLE.  This is one of
+  * the constants defined in this class (<code>procedureNoNulls</code>,
+  * <code>procedureNullable</code>, or <code>procedureNullableUnknown</code>)
+  * <li>REMARKS - A description of the column.
+  * </ol>
+  *
+  * @param catalog The name of the catalog to return stored procedured from,
+  * or "" to return procedures from all catalogs.
+  * @param schemaPattern A schema pattern for the schemas to return stored
+  * procedures from, or "" to return procedures from all schemas.
+  * @param namePattern The pattern of procedures names to return.
+  * @param columnPattern The pattern of column names to return.
+  *
+  * @returns A <code>ResultSet</code> with all the requested procedures.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getProcedureColumns(String catalog, String schemaPattern, String namePattern,
+                    String columnPattern) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a list of the requested table as a   
+  * <code>ResultSet</code> with the following columns:
+  * <p>
+  * <ol>
+  * <li>TABLE_CAT - The catalog the table is in, which may be <code>null</code>.
+  * <li>TABLE_SCHEM - The schema the table is in, which may be <code>null</code>.
+  * <li>TABLE_NAME - The name of the table.
+  * <li>TABLE_TYPE - A string describing the table type.  This will be one
+  * of the values returned by the <code>getTableTypes()</code> method.
+  * <li>REMARKS - Comments about the table.
+  * </ol>
+  * 
+  * @param catalog The name of the catalog to return tables from,
+  * or "" to return tables from all catalogs.
+  * @param schemaPattern A schema pattern for the schemas to return tables
+  * from, or "" to return tables from all schemas.
+  * @param namePattern The pattern of table names to return.
+  * @param types The list of table types to include; null returns all types.
+  *
+  * @returns A <code>ResultSet</code> with all the requested tables.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getTables(String catalog, String schemaPattern, String namePattern,
+	  String types[]) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the list of database schemas as a 
+  * <code>ResultSet</code>, with one column - TABLE_SCHEM - that is the
+  * name of the schema.
+  *
+  * @return A <code>ResultSet</code> with all the requested schemas.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getSchemas() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the list of database catalogs as a
+  * <code>ResultSet</code> with one column - TABLE_CAT - that is the
+  * name of the catalog.
+  *
+  * @return A <code>ResultSet</code> with all the requested catalogs.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getCatalogs() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the list of database table types as a
+  * <code>ResultSet</code> with one column - TABLE_TYPE - that is the
+  * name of the table type.
+  *
+  * @return A <code>ResultSet</code> with all the requested table types.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getTableTypes() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a list of the tables columns for
+  * the requested tables.  This is returned in the form of a
+  * <code>ResultSet</code> with the following columns:
+  * <p>
+  * <ol>
+  * <li>TABLE_CAT - The catalog the table is in, which may be 
+  * <code>null</code>.
+  * <li>TABLE_SCHEM - The schema the tables is in, which may be
+  * <code>null</code>.
+  * <li>TABLE_NAME - The name of the table.
+  * <li>COLUMN_NAME - The name of the column
+  * <li>DATA_TYPE - The SQL type of the column. This is one of the constants
+  * defined in <code>Types</code>.
+  * <li>TYPE_NAME - The string name of the data type for this column.
+  * <li>COLUMN_SIZE - The size of the column.
+  * <li>Unused
+  * <li>NUM_PREC_RADIX - The radix of the column.
+  * <li>NULLABLE - Whether or not the column is NULLABLE.  This is one of
+  * the constants defined in this class (<code>tableNoNulls</code>,
+  * <code>tableNullable</code>, or <code>tableNullableUnknown</code>)
+  * <li>REMARKS - A description of the column.
+  * <li>COLUMN_DEF - The default value for the column, may be <code>null</code>.
+  * <li>SQL_DATA_TYPE - Unused
+  * <li>SQL_DATETIME_SUB - Unused
+  * <li>CHAR_OCTET_LENGTH - For character columns, the maximum number of bytes
+  * in the column.
+  * <li>ORDINAL_POSITION - The index of the column in the table.
+  * <li>IS_NULLABLE - "NO" means no, "YES" means maybe, and an empty string
+  * means unknown.
+  * </ol>
+  *
+  * @param catalog The name of the catalog to return table from,
+  * or "" to return tables from all catalogs.
+  * @param schemaPattern A schema pattern for the schemas to return 
+  * tables from, or "" to return tables from all schemas.
+  * @param namePattern The pattern of tables names to return.
+  * @param columnPattern The pattern of column names to return.
+  *
+  * @returns A <code>ResultSet</code> with all the requested tables.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getColumns(String catalog, String schemaPattern, String namePattern,
+           String columnPattern) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the access rights that have been granted to the
+  * requested columns.  This information is returned as a <code>ResultSet</code>
+  * with the following columns:
+  * <p>
+  * <ol>
+  * <li>TABLE_CAT - The catalog the table is in, which may be 
+  * <code>null</code>.
+  * <li>TABLE_SCHEM - The schema the tables is in, which may be
+  * <code>null</code>.
+  * <li>TABLE_NAME - The name of the table.
+  * <li>COLUMN_NAME - The name of the column.
+  * <li>GRANTOR - The entity that granted the access.
+  * <li>GRANTEE - The entity granted the access.
+  * <li>PRIVILEGE - The name of the privilege granted.
+  * <li>IS_GRANTABLE - "YES" if the grantee can grant the privilege to
+  * others, "NO" if not, and <code>null</code> if unknown.
+  * </ol>
+  *
+  * @param catalog The catalog to retrieve information from, or the empty string
+  * to return entities not associated with a catalog, or <code>null</code>
+  * to return information from all catalogs.
+  * @param schema The schema to retrieve information from, or the empty string
+  * to return entities not associated with a schema.
+  * @param table The table name to return information for.
+  * @param columnPattern A pattern of column names to return information for.
+  * 
+  * @return A <code>ResultSet</code> with all the requested privileges.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getColumnPrivileges(String catalog, String schema, String table,
+                    String columnPattern) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the access rights that have been granted to the
+  * requested tables.  This information is returned as a <code>ResultSet</code>
+  * with the following columns:
+  * <p>
+  * <ol>
+  * <li>TABLE_CAT - The catalog the table is in, which may be 
+  * <code>null</code>.
+  * <li>TABLE_SCHEM - The schema the tables is in, which may be
+  * <code>null</code>.
+  * <li>TABLE_NAME - The name of the table.
+  * <li>GRANTOR - The entity that granted the access.
+  * <li>GRANTEE - The entity granted the access.
+  * <li>PRIVILEGE - The name of the privilege granted.
+  * <li>IS_GRANTABLE - "YES" if the grantee can grant the privilege to
+  * others, "NO" if not, and <code>null</code> if unknown.
+  * </ol>
+  *
+  * @param catalog The catalog to retrieve information from, or the empty string
+  * to return entities not associated with a catalog, or <code>null</code>
+  * to return information from all catalogs.
+  * @param schema The schema to retrieve information from, or the empty string
+  * to return entities not associated with a schema.
+  * @param tablePattern The table name pattern of tables to return 
+  * information for.
+  * 
+  * @return A <code>ResultSet</code> with all the requested privileges.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getTablePrivileges(String catalog, String schema, String table)
+                   throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the best set of columns for uniquely identifying
+  * a row.  It returns this information as a <code>ResultSet</code> with
+  * the following columns:
+  * <p>
+  * <ol>
+  * <li>SCOPE - The scope of the results returned.  This is one of the 
+  * constants defined in this class (<code>bestRowTemporary</code>,
+  * <code>bestRowTransaction</code>, or <code>bestRowSession</code).
+  * <li>COLUMN_NAME - The name of the column.
+  * <li>DATA_TYPE - The SQL type of the column. This is one of the constants
+  * defined in <code>Types</code>.
+  * <li>TYPE_NAME - The string name of the data type for this column.
+  * <li>COLUMN_SIZE - The precision of the columns
+  * <li>BUFFER_LENGTH - Unused
+  * <li>DECIMAL_DIGITS - The scale of the column.
+  * <li>PSEUDO_COLUMN - Whether or not the best row identifier is a
+  * pseudo_column.  This is one of the constants defined in this class 
+  * (<code>bestRowUnknown</code>, <code>bestRowNotPseudo</code>, or
+  * <code>bestRowPseudo</code>).
+  * </ol>
+  *
+  * @param catalog The catalog to retrieve information from, or the empty string
+  * to return entities not associated with a catalog, or <code>null</code>
+  * to return information from all catalogs.
+  * @param schema The schema to retrieve information from, or the empty string
+  * to return entities not associated with a schema.
+  * @param table The table name to return information for.
+  * @param columnPattern A pattern of column names to return information for.
+  * @param scope One of the best row id scope constants from this class.
+  * @param nullable <code>true</code> to include columns that are nullable,
+  * <code>false</code> otherwise.
+  * 
+  * @return A <code>ResultSet</code> with the best row identifier.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getBestRowIdentifier(String catalog, String schema, String table,
+                     int scope, boolean nullable) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the set of columns that are automatically updated
+  * when the row is update. It returns this information as a 
+  * <code>ResultSet</code> with the following columns:
+  * <p>
+  * <ol>
+  * <li>SCOPE - Unused
+  * <li>COLUMN_NAME - The name of the column.
+  * <li>DATA_TYPE - The SQL type of the column. This is one of the constants
+  * defined in <code>Types</code>.
+  * <li>TYPE_NAME - The string name of the data type for this column.
+  * <li>COLUMN_SIZE - The precision of the columns
+  * <li>BUFFER_LENGTH - Unused
+  * <li>DECIMAL_DIGITS - The scale of the column.
+  * <li>PSEUDO_COLUMN - Whether or not the best row identifier is a
+  * pseudo_column.  This is one of the constants defined in this class 
+  * (<code>versionRowUnknown</code>, <code>versionRowNotPseudo</code>, or
+  * <code>versionRowPseudo</code>).
+  * </ol>
+  *
+  * @param catalog The catalog to retrieve information from, or the empty string
+  * to return entities not associated with a catalog, or <code>null</code>
+  * to return information from all catalogs.
+  * @param schema The schema to retrieve information from, or the empty string
+  * to return entities not associated with a schema.
+  * @param table The table name to return information for.
+  * @param columnPattern A pattern of column names to return information for.
+  *
+  * @return A <code>ResultSet</code> with the version columns.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getVersionColumns(String catalog, String schema, String table)
+                  throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a list of a table's primary key columns.  These
+  * are returned as a <code>ResultSet</code> with the following columns.
+  * <p>
+  * <ol>
+  * <li>TABLE_CAT - The catalog of the table, which may be <code>null</code>.
+  * <li>TABLE_SCHEM - The schema of the table, which may be <code>null</code>.
+  * <li>TABLE_NAME - The name of the table.
+  * <li>COLUMN_NAME - The name of the column.
+  * <li>KEY_SEQ - The sequence number of the column within the primary key.
+  * <li>PK_NAME - The name of the primary key, which may be <code>null</code>.
+  *
+  * @param catalog The catalog to retrieve information from, or the empty string
+  * to return entities not associated with a catalog, or <code>null</code>
+  * to return information from all catalogs.
+  * @param schema The schema to retrieve information from, or the empty string
+  * to return entities not associated with a schema.
+  * @param table The table name to return information for.
+  * @param columnPattern A pattern of column names to return information for.
+  *
+  * @return A <code>ResultSet</code> with the primary key columns.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getPrimaryKeys(String catalog, String schema, String table)
+               throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a list of the table's foreign keys.  These are
+  * returned as a <code>ResultSet</code> with the following columns:
+  * <p>
+  * <ol>
+  * <li>PKTABLE_CAT - The catalog of the table the key was imported from.
+  * <li>PKTABLE_SCHEM - The schema of the table the key was imported from.
+  * <li>PKTABLE_NAME - The name of the table the key was imported from.
+  * <li>PKCOLUMN_NAME - The name of the column that was imported.
+  * <li>FKTABLE_CAT - The foreign key catalog name.
+  * <li>FKTABLE_SCHEM - The foreign key schema name.
+  * <li>FKTABLE_NAME - The foreign key table name.
+  * <li>FKCOLUMN_NAME - The foreign key column name.
+  * <li>KEY_SEQ - The sequence number of the column within the foreign key.
+  * <li>UPDATE_RULE - How the foreign key behaves when the primary key is
+  * updated.  This is one of the constants defined in this class 
+  * (<code>importedNoAction</code>, <code>importedKeyCascade</code>,
+  * <code>importedKeySetNull</code>, <code>importedKeySetDefault</code>, or
+  * <code>importedKeyRestrict</code>).
+  * <li>DELETE_RULE - How the foreign key behaves when the primary key is
+  * deleted.  This is one of the constants defined in this class 
+  * (<code>importedNoAction</code>, <code>importedKeyCascade</code>,
+  * <code>importedKeySetNull</code>, or <code>importedKeySetDefault</code>)
+  * <li>FK_NAME - The name of the foreign key.
+  * <li>PK_NAME - The name of the primary key.
+  * <li>DEFERRABILITY - The deferrability value.  This is one of the
+  * constants defined in this table (<code>importedKeyInitiallyDeferred</code>,
+  * <code>importedKeyInitiallyImmediate</code>, or
+  * <code>importedKeyNotDeferrable</code>).
+  *
+  * @param catalog The catalog to retrieve information from, or the empty string
+  * to return entities not associated with a catalog, or <code>null</code>
+  * to return information from all catalogs.
+  * @param schema The schema to retrieve information from, or the empty string
+  * to return entities not associated with a schema.
+  * @param table The table name to return information for.
+  *
+  * @return A <code>ResultSet</code> with the foreign key columns.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getImportedKeys(String catalog, String schema, String table)
+                throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a list of the table's which use this table's
+  * primary key as a foreign key.  The information is
+  * returned as a <code>ResultSet</code> with the following columns:
+  * <p>
+  * <ol>
+  * <li>PKTABLE_CAT - The catalog of the table the key was imported from.
+  * <li>PKTABLE_SCHEM - The schema of the table the key was imported from.
+  * <li>PKTABLE_NAME - The name of the table the key was imported from.
+  * <li>PKCOLUMN_NAME - The name of the column that was imported.
+  * <li>FKTABLE_CAT - The foreign key catalog name.
+  * <li>FKTABLE_SCHEM - The foreign key schema name.
+  * <li>FKTABLE_NAME - The foreign key table name.
+  * <li>FKCOLUMN_NAME - The foreign key column name.
+  * <li>KEY_SEQ - The sequence number of the column within the foreign key.
+  * <li>UPDATE_RULE - How the foreign key behaves when the primary key is
+  * updated.  This is one of the constants defined in this class 
+  * (<code>importedNoAction</code>, <code>importedKeyCascade</code>,
+  * <code>importedKeySetNull</code>, <code>importedKeySetDefault</code>, or
+  * <code>importedKeyRestrict</code>).
+  * <li>DELETE_RULE - How the foreign key behaves when the primary key is
+  * deleted.  This is one of the constants defined in this class 
+  * (<code>importedNoAction</code>, <code>importedKeyCascade</code>,
+  * <code>importedKeySetNull</code>, or <code>importedKeySetDefault</code>)
+  * <li>FK_NAME - The name of the foreign key.
+  * <li>PK_NAME - The name of the primary key.
+  * <li>DEFERRABILITY - The deferrability value.  This is one of the
+  * constants defined in this table (<code>importedKeyInitiallyDeferred</code>,
+  * <code>importedKeyInitiallyImmediate</code>, or
+  * <code>importedKeyNotDeferrable</code>).
+  *
+  * @param catalog The catalog to retrieve information from, or the empty string
+  * to return entities not associated with a catalog, or <code>null</code>
+  * to return information from all catalogs.
+  * @param schema The schema to retrieve information from, or the empty string
+  * to return entities not associated with a schema.
+  * @param table The table name to return information for.
+  *
+  * @return A <code>ResultSet</code> with the requested information
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getExportedKeys(String catalog, String schema, String table)
+                throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a description of how one table imports another
+  * table's primary key as a foreign key.  The information is
+  * returned as a <code>ResultSet</code> with the following columns:
+  * <p>
+  * <ol>
+  * <li>PKTABLE_CAT - The catalog of the table the key was imported from.
+  * <li>PKTABLE_SCHEM - The schema of the table the key was imported from.
+  * <li>PKTABLE_NAME - The name of the table the key was imported from.
+  * <li>PKCOLUMN_NAME - The name of the column that was imported.
+  * <li>FKTABLE_CAT - The foreign key catalog name.
+  * <li>FKTABLE_SCHEM - The foreign key schema name.
+  * <li>FKTABLE_NAME - The foreign key table name.
+  * <li>FKCOLUMN_NAME - The foreign key column name.
+  * <li>KEY_SEQ - The sequence number of the column within the foreign key.
+  * <li>UPDATE_RULE - How the foreign key behaves when the primary key is
+  * updated.  This is one of the constants defined in this class 
+  * (<code>importedNoAction</code>, <code>importedKeyCascade</code>,
+  * <code>importedKeySetNull</code>, <code>importedKeySetDefault</code>, or
+  * <code>importedKeyRestrict</code>).
+  * <li>DELETE_RULE - How the foreign key behaves when the primary key is
+  * deleted.  This is one of the constants defined in this class 
+  * (<code>importedNoAction</code>, <code>importedKeyCascade</code>,
+  * <code>importedKeySetNull</code>, or <code>importedKeySetDefault</code>)
+  * <li>FK_NAME - The name of the foreign key.
+  * <li>PK_NAME - The name of the primary key.
+  * <li>DEFERRABILITY - The deferrability value.  This is one of the
+  * constants defined in this table (<code>importedKeyInitiallyDeferred</code>,
+  * <code>importedKeyInitiallyImmediate</code>, or
+  * <code>importedKeyNotDeferrable</code>).
+  *
+  * @param primCatalog The catalog to retrieve information from, or the empty string
+  * to return entities not associated with a catalog, or <code>null</code>
+  * to return information from all catalogs, on the exporting side.
+  * @param primSchema The schema to retrieve information from, or the empty string
+  * to return entities not associated with a schema, on the exporting side.
+  * @param primTable The table name to return information for, on the exporting
+  * side.
+  * @param forCatalog The catalog to retrieve information from, or the empty string
+  * to return entities not associated with a catalog, or <code>null</code>
+  * to return information from all catalogs, on the importing side.
+  * @param forSchema The schema to retrieve information from, or the empty string
+  * to return entities not associated with a schema on the importing side.
+  * @param forTable The table name to return information for on the importing
+  * side.
+  *
+  * @return A <code>ResultSet</code> with the requested information
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getCrossReference(String primCatalog, String primSchema, String primTable,
+                  String forCatalog, String forSchema, String forTable)
+                  throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a list of the SQL types supported by this
+  * database.  The information is returned as a <code>ResultSet</code>
+  * with the following columns:
+  * <p>
+  * <ol>
+  * <li>TYPE_NAME - The name of the data type.
+  * <li>DATA_TYPE - A data type constant from <code>Types</code> for this
+  * type.
+  * <li>PRECISION - The maximum precision of this type.
+  * <li>LITERAL_PREFIX - Prefix value used to quote a literal, which may be
+  * <code>null</code>.
+  * <li>LITERAL_SUFFIX - Suffix value used to quote a literal, which may be
+  * <code>null</code>.
+  * <li>CREATE_PARAMS - The parameters used to create the type, which may be
+  * <code>null</code>.
+  * <li>NULLABLE - Whether or not this type supports NULL values.  This will
+  * be one of the constants defined in this interface 
+  * (<code>typeNoNulls</code>, <code>typeNullable</code>, or
+  * <code>typeNullableUnknown</code>).
+  * <li>CASE_SENSITIVE - Whether or not the value is case sensitive.
+  * <li>SEARCHABLE - Whether or not "LIKE" expressions are supported in
+  * WHERE clauses for this type.  This will be one of the constants defined
+  * in this interface (<code>typePredNone</code>, <code>typePredChar</code>,
+  * <code>typePredBasic</code>, or <code>typeSearchable</code>).
+  * <li>UNSIGNED_ATTRIBUTE - Is the value of this type unsigned.
+  * <li>FIXED_PREC_SCALE - Whether or not this type can be used for money.
+  * <li>AUTO_INCREMENT - Whether or not this type supports auto-incrementing.
+  * <li>LOCAL_TYPE_NAME - A localized name for this data type.
+  * <li>MINIMUM_SCALE - The minimum scale supported by this type.
+  * <li>MAXIMUM_SCALE - The maximum scale supported by this type.
+  * <li>SQL_DATA_TYPE - Unused.
+  * <li>SQL_DATETIME_SUB - Unused.
+  * <li>NUM_PREC_RADIX - The radix of this data type.
+  * </ol>
+  * 
+  * @return A <code>ResultSet</code> with the list of available data types.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getTypeInfo() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns information about a tables indices and statistics.
+  * It is returned as a <code>ResultSet</code> with the following columns:
+  * <p>
+  * <ol>
+  * <li>TABLE_CAT - The catalog of the table, which may be <code>null</code>.
+  * <li>TABLE_SCHEM - The schema of the table, which may be <code>null</code>.
+  * <li>TABLE_NAME - The name of the table.
+  * <li>NON_UNIQUE - Are index values non-unique?
+  * <li>INDEX_QUALIFIER The index catalog, which may be <code>null</code>
+  * <li>INDEX_NAME - The name of the index.
+  * <li>TYPE - The type of index, which will be one of the constants defined
+  * in this interface (<code>tableIndexStatistic</code>,
+  * <code>tableIndexClustered</code>, <code>tableIndexHashed</code>, or
+  * <code>tableIndexOther</code>).
+  * <li>ORDINAL_POSITION - The sequence number of this column in the index.
+  * This will be 0 when the index type is <code>tableIndexStatistic</code>.
+  * <li>COLUMN_NAME - The name of this column in the index.
+  * <li>ASC_OR_DESC - "A" for an ascending sort sequence, "D" for a
+  * descending sort sequence or <code>null</code> if a sort sequence is not
+  * supported.
+  * <li>CARDINALITY - The number of unique rows in the index, or the number
+  * of rows in the table if the index type is <code>tableIndexStatistic</code>.
+  * <li>PAGES - The number of pages used for the index, or the number of pages
+  * in the table if the index type is <code>tableIndexStatistic</code>.
+  * <li>FILTER_CONDITION - The filter condition for this index, which may be
+  * <code>null</code>.
+  *
+  * @param catalog The catalog to retrieve information from, or the empty string
+  * to return entities not associated with a catalog, or <code>null</code>
+  * to return information from all catalogs.
+  * @param schema The schema to retrieve information from, or the empty string
+  * to return entities not associated with a schema.
+  * @param table The table name to return information for.
+  * @param unique <code>true</code> to return only unique indexes, 
+  * <code>false</code> otherwise.
+  * @param approx <code>true</code> if data values can be approximations,
+  * <code>false</code> otherwise.
+  *
+  * @return A <code>ResultSet</code> with the requested index information
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+getIndexInfo(String catalog, String schema, String table, boolean unique,
+             boolean approx) throws SQLException; 
+
+} // interface DatabaseMetaData
+
diff --git a/libjava/java/sql/Date.java b/libjava/java/sql/Date.java
new file mode 100644
index 00000000000..65472e180d1
--- /dev/null
+++ b/libjava/java/sql/Date.java
@@ -0,0 +1,133 @@
+/* Date.java -- Wrapper around java.util.Date
+   Copyright (C) 1999 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package java.sql;
+
+import java.text.SimpleDateFormat;
+
+/**
+  * This class is a wrapper around java.util.Date to allow the JDBC
+  * driver to identify the value as a SQL Date.
+  *
+  * @author Aaron M. Renn (arenn@urbanophile.com)
+  */
+public class Date extends java.util.Date implements java.io.Serializable
+{
+
+/*
+ * Class Variables
+ */
+
+/**
+  * Used for parsing and formatting this date.
+  */
+private static SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
+
+/*************************************************************************/
+
+/*
+ * Class Methods
+ */
+
+/**
+  * This method returns a new instance of this class by parsing a
+  * date in JDBC format into a Java date.
+  *
+  * @param str The string to parse.
+  *
+  * @return The resulting <code>java.sql.Date</code> value. 
+  */
+public static Date
+valueOf(String str)
+{
+  try
+    {
+      java.util.Date d = (java.util.Date)sdf.parseObject(str);
+      return(new Date(d.getTime()));
+    }
+  catch(Exception e)
+    {
+      return(null);
+    }
+}
+
+/*************************************************************************/
+
+/*
+ * Constructors
+ */
+
+/**
+  * This method initializes a new instance of this class with the
+  * specified year, month, and day.
+  *
+  * @param year The year of this date minue 1900.
+  * @param month The month of this date (0-11).
+  * @param day The day of this date (1-31).
+  *
+  * @deprecated
+  */
+public 
+Date(int year, int month, int day)
+{
+  super(year, month, day);
+}
+
+/*************************************************************************/
+
+/**
+  * This method initializes a new instance of this class with the
+  * specified time value representing the number of seconds since 
+  * Jan 1, 1970 at 12:00 midnight GMT.
+  *
+  * @param time The time value to intialize this date to.
+  */
+public
+Date(long date)
+{
+  super(date);
+}
+
+/*************************************************************************/
+
+/*
+ * Instance Methods
+ */
+
+/**
+  * This method returns this date in JDBC format.
+  *
+  * @return This date as a string.
+  */
+public String
+toString()
+{
+  return(sdf.format(this));
+}
+
+} // class Date
+
diff --git a/libjava/java/sql/Driver.java b/libjava/java/sql/Driver.java
new file mode 100644
index 00000000000..61e03e1a1d4
--- /dev/null
+++ b/libjava/java/sql/Driver.java
@@ -0,0 +1,137 @@
+/* Driver.java -- A JDBC driver
+   Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package java.sql;
+
+import java.util.Properties;
+
+/**
+  * This interface specifies a mechanism for accessing a JDBC database
+  * driver.  When the class implementing this method is loaded, it should
+  * register an instance of itself with the <code>DriverManager</code> in
+  * a static initializer.  
+  * <p>
+  * Because the <code>DriverManager</code> might attempt to use several
+  * drivers to find one that can connect to the requested database, 
+  * this driver should not cause large numbers of classes and code to
+  * be loaded.  If another driver is the one that ends up performing the
+  * request, any loading done by this driver would be wasted.
+  *
+  * @author Aaron M. Renn (arenn@urbanophile.com)
+  */
+public interface Driver
+{
+
+/**
+  * This method returns the major version number of the driver.
+  *
+  * @return The major version number of the driver.
+  */
+public abstract int
+getMajorVersion();
+
+/*************************************************************************/
+
+/**
+  * This method returns the minor version number of the driver.
+  *
+  * @return The minor version number of the driver.
+  */
+public abstract int
+getMinorVersion();
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the driver is JDBC compliant.  This
+  * method should only return <code>true</code> if the driver has been
+  * certified as JDBC compliant.
+  *
+  * @return <code>true</code> if the driver has been certified JDBC compliant,
+  * <code>false</code> otherwise.
+  */
+public abstract boolean
+jdbcCompliant();
+
+/*************************************************************************/
+
+/**
+  * This method returns an array of possible properties that could be
+  * used to connect to the specified database.
+  *
+  * @param url The URL string of the database to connect to.
+  * @param properties The list of properties the caller is planning to use
+  * to connect to the database.
+  *
+  * @return A list of possible additional properties for a connection to this
+  * database.  This list may be empty.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract DriverPropertyInfo[]
+getPropertyInfo(String url, Properties properties) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the driver believes it can connect to
+  * the specified database.  The driver should only test whether it 
+  * understands and accepts the URL. It should not necessarily attempt to 
+  * probe the database for a connection.
+  *
+  * @param The database URL string.
+  *
+  * @return <code>true</code> if the drivers can connect to the database, 
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+acceptsURL(String url) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method connects to the specified database using the connection
+  * properties supplied.  If the driver does not understand the database
+  * URL, it should return <code>null</code> instead of throwing an
+  * exception since the <code>DriverManager</code> will probe a driver
+  * in this manner.
+  * 
+  * @param url The URL string for this connection.
+  * @param properties The list of database connection properties.
+  *
+  * @return A <code>Connection</code> object for the newly established
+  * connection, or <code>null</code> if the URL is not understood.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract Connection
+connect(String url, Properties properties) throws SQLException;
+
+} // interface Driver
+
diff --git a/libjava/java/sql/DriverManager.java b/libjava/java/sql/DriverManager.java
new file mode 100644
index 00000000000..361278391b8
--- /dev/null
+++ b/libjava/java/sql/DriverManager.java
@@ -0,0 +1,336 @@
+/* DriverManager.java -- Manage JDBC drivers
+   Copyright (C) 1999 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package java.sql;
+
+import java.io.PrintStream;
+import java.io.PrintWriter;
+import java.util.Enumeration;
+import java.util.Properties;
+import java.util.StringTokenizer;
+import java.util.Vector;
+
+/**
+  * This class manages the JDBC drivers in the system. It maintains a
+  * registry of drivers and locates the appropriate driver to handle a
+  * JDBC database URL.
+  * <p>
+  * On startup, <code>DriverManager</code> loads all the managers specified
+  * by the system property <code>jdbc.drivers</code>.  The value of this
+  * property should be a colon separated list of fully qualified driver
+  * class names.  Additional drivers can be loaded at any time by
+  * simply loading the driver class with <code>class.forName(String)</code>.
+  * The driver should automatically register itself in a static 
+  * initializer.
+  * <p>
+  * The methods in this class are all <code>static</code>. This class
+  * cannot be instantiated.
+  *
+  * @author Aaron M. Renn (arenn@urbanophile.com)
+  */
+public class DriverManager 
+{
+
+/*
+ * Class Variables
+ */
+
+/**
+  * This is the log stream for JDBC drivers.
+  */
+private static PrintStream log_stream;
+
+/**
+  * This is the log writer for JDBC drivers.
+  */
+private static PrintWriter log_writer;
+
+/**
+  * This is the login timeout used by JDBC drivers.
+  */
+private static int login_timeout;
+
+/**
+  * This is the list of JDBC drivers that are loaded.
+  */
+private static Vector drivers;
+ // Hmm, seems like we might want to do a Hashtable and lookup by something,
+ // but what would it be?
+
+// Load all drivers on startup
+static
+{
+  drivers = new Vector();
+
+  String driver_string = System.getProperty("jdbc.drivers");
+  if (driver_string != null)
+    {
+      StringTokenizer st = new StringTokenizer(driver_string);
+      while (st.hasMoreTokens())
+        {
+          String driver_classname = st.nextToken();
+
+          try
+            {
+              Class.forName(driver_classname); // The driver registers itself
+            }
+          catch (Exception e) { ; } // Ignore not founds
+        }
+    }
+
+}
+  
+/*************************************************************************/
+
+/*
+ * Class Methods
+ */
+
+/**
+  * This method returns the login timeout in use by JDBC drivers systemwide.
+  *
+  * @return The login timeout.
+  */
+public static int
+getLoginTimeout()
+{
+  return(login_timeout);
+}
+
+/*************************************************************************/
+
+/**
+  * This method set the login timeout used by JDBC drivers.  This is a
+  * system-wide parameter that applies to all drivers.
+  *
+  * @param login_timeout The new login timeout value.
+  */
+public static void
+setLoginTimeout(int login_timeout)
+{
+  DriverManager.login_timeout = login_timeout;
+}
+
+/*************************************************************************/
+
+/**
+  * This method returns the log stream in use by JDBC.
+  *
+  * @return The log stream in use by JDBC.
+  *
+  * @deprecated Use <code>getLogWriter()</code> instead.
+  */
+public static PrintStream
+getLogStream()
+{
+  return(log_stream);
+}
+
+/*************************************************************************/
+
+/**
+  * This method sets the log stream in use by JDBC.
+  *
+  * @param log_stream The log stream in use by JDBC.
+  *
+  * @deprecated Use <code>setLogWriter</code> instead.
+  */
+public static void
+setLogStream(PrintStream log_stream)
+{
+  DriverManager.log_stream = log_stream;
+}
+
+/*************************************************************************/
+
+/**
+  * This method prints the specified line to the log stream.
+  *
+  * @param str The string to write to the log stream.
+  */
+public static void
+println(String str)
+{
+  if (log_stream != null) // Watch for user not using logging
+    log_stream.println(str);
+}
+
+/*************************************************************************/
+
+/**
+  * This method registers a new driver with the manager.  This is normally
+  * called by the driver itself in a static initializer.
+  *
+  * @param driver The new <code>Driver</code> to add.
+  */
+public static void
+registerDriver(Driver driver)
+{
+  if (!drivers.contains(driver))
+    drivers.addElement(driver);
+}
+
+/*************************************************************************/
+
+/**
+  * This method de-registers a driver from the manager.
+  *
+  * @param driver The <code>Driver</code> to unregister.
+  */
+public static void
+deregisterDriver(Driver driver)
+{
+  if (drivers.contains(driver))
+    drivers.removeElement(driver);
+}
+
+/*************************************************************************/
+
+/**
+  * This method returns a list of all the currently loaded JDBC drivers which
+  * the current caller has access to.
+  *
+  * @return An <code>Enumeration</code> of all currently loaded JDBC drivers.
+  */
+public static Enumeration
+getDrivers()
+{
+  return(drivers.elements());
+}
+
+/*************************************************************************/
+
+/**
+  * This method returns a driver that can connect to the specified
+  * JDBC URL string.  This will be selected from among drivers loaded
+  * at initialization time and those drivers manually loaded by the
+  * same class loader as the caller.
+  *
+  * @param url The JDBC URL string to find a driver for.
+  *
+  * @return A <code>Driver</code> that can connect to the specified
+  * URL, or <code>null</code> if a suitable driver cannot be found.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public static Driver
+getDriver(String url) throws SQLException
+{
+  // FIXME: Limit driver search to the appropriate subset of loaded drivers.
+
+  Enumeration e = drivers.elements();
+  while(e.hasMoreElements())
+    {
+      Driver d = (Driver)e.nextElement();
+      if (d.acceptsURL(url))
+        return(d);
+    }
+
+  return(null);
+}
+
+/*************************************************************************/
+
+/**
+  * This method attempts to return a connection to the specified
+  * JDBC URL string.
+  *
+  * @param url The JDBC URL string to connect to.
+  *
+  * @return A <code>Connection</code> to that URL.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public static Connection
+getConnection(String url) throws SQLException
+{
+  return(getConnection(url, new Properties()));
+}
+
+/*************************************************************************/
+
+/**
+  * This method attempts to return a connection to the specified
+  * JDBC URL string using the specified username and password.
+  *
+  * @param url The JDBC URL string to connect to.
+  * @param user The username to connect with.
+  * @param password The password to connect with.
+  *
+  * @return A <code>Connection</code> to that URL.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public static Connection
+getConnection(String url, String user, String password) throws SQLException
+{
+  Properties p = new Properties();
+
+  p.setProperty("user", user);
+  p.setProperty("password", password);
+
+  return(getConnection(url, p));
+}
+
+/*************************************************************************/
+
+/**
+  * This method attempts to return a connection to the specified
+  * JDBC URL string using the specified connection properties.
+  *
+  * @param url The JDBC URL string to connect to.
+  * @param properties The connection properties.
+  *
+  * @return A <code>Connection</code> to that URL.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public static Connection
+getConnection(String url, Properties properties) throws SQLException
+{
+  Driver d = getDriver(url);
+  if (d == null)
+    throw new SQLException("Driver not found for URL: " + url);
+
+  return(d.connect(url, properties));
+}
+
+/*************************************************************************/
+
+/*
+ * Constructors
+ */
+
+// Keep bozos from trying to instantiate us.
+private
+DriverManager()
+{
+  ;
+}
+
+} // class DriverManager 
+
diff --git a/libjava/java/sql/DriverPropertyInfo.java b/libjava/java/sql/DriverPropertyInfo.java
new file mode 100644
index 00000000000..83e4c4b5fd2
--- /dev/null
+++ b/libjava/java/sql/DriverPropertyInfo.java
@@ -0,0 +1,91 @@
+/* DriverPropertyInfo.java -- Property information about drivers.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package java.sql;
+
+/**
+  * This class holds a driver property that can be used for querying or
+  * setting driver configuration parameters.
+  *
+  * @author Aaron M. Renn (arenn@urbanophile.com)
+  */
+public class DriverPropertyInfo
+{
+
+/*
+ * Instance Variables
+ */
+
+/**
+  * The name of the property.
+  */
+public String name;
+
+/**
+  * This is the value of the property.
+  */
+public String value;
+
+/**
+  * A description of the property, possibly <code>null</code>.
+  */
+public String description;
+
+/**
+  * A flag indicating whether or not a value for this property is required
+  * in order to connect to the database.
+  */
+public boolean required;
+
+/**
+  * If values are restricted to certain choices, this is the list of valid
+  * ones.  Otherwise it is <code>null</code>.
+  */
+public String[] choices;
+
+/*************************************************************************/
+
+/*
+ * Constructors
+ */
+
+/**
+  * This method initializes a new instance of <code>DriverPropertyInfo</code>
+  * with the specified name and value.  All other fields are defaulted.
+  *
+  * @param name The name of the property.
+  * @param value The value to assign to the property.
+  */
+public
+DriverPropertyInfo(String name, String value)
+{
+  this.name = name;
+  this.value = value;
+}
+
+} // DriverPropertyInfo
+
diff --git a/libjava/java/sql/PreparedStatement.java b/libjava/java/sql/PreparedStatement.java
new file mode 100644
index 00000000000..870f5fc46a5
--- /dev/null
+++ b/libjava/java/sql/PreparedStatement.java
@@ -0,0 +1,387 @@
+/* PreparedStatement.java -- Interface for pre-compiled statements.
+   Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package java.sql;
+
+import java.io.InputStream;
+import java.io.Reader;
+import java.math.BigDecimal;
+
+/**
+  * This interface provides a mechanism for executing pre-compiled
+  * statements.  This provides greater efficiency when calling the same
+  * statement multiple times.  Parameters are allowed in a statement,
+  * providings for maximum reusability.
+  *
+  * @author Aaron M. Renn (arenn@urbanophile.com)
+  */
+public interface PreparedStatement extends Statement
+{
+
+/**
+  * This method populates the specified parameter with a SQL NULL value
+  * for the specified type.
+  *
+  * @param index The index of the parameter to set.
+  * @param type The SQL type identifier of the parameter from <code>Types</code>
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+setNull(int index, int type) throws SQLException;
+  
+/*************************************************************************/
+
+/**
+  * This method sets the specified parameter from the given Java
+  * <code>boolean</code> value.
+  *
+  * @param index The index of the parameter value to set.
+  * @param value The value of the parameter.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+setBoolean(int index, boolean value) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method sets the specified parameter from the given Java
+  * <code>byte</code> value.
+  *
+  * @param index The index of the parameter value to set.
+  * @param value The value of the parameter.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+setByte(int index, byte value) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method sets the specified parameter from the given Java
+  * <code>short</code> value.
+  *
+  * @param index The index of the parameter value to set.
+  * @param value The value of the parameter.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+setShort(int index, short value) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method sets the specified parameter from the given Java
+  * <code>int</code> value.
+  *
+  * @param index The index of the parameter value to set.
+  * @param value The value of the parameter.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+setInt(int index, int value) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method sets the specified parameter from the given Java
+  * <code>long</code> value.
+  *
+  * @param index The index of the parameter value to set.
+  * @param value The value of the parameter.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+setLong(int index, long value) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method sets the specified parameter from the given Java
+  * <code>float</code> value.
+  *
+  * @param index The index of the parameter value to set.
+  * @param value The value of the parameter.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+setFloat(int index, float value) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method sets the specified parameter from the given Java
+  * <code>double</code> value.
+  *
+  * @param index The index of the parameter value to set.
+  * @param value The value of the parameter.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+setDouble(int index, double value) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method sets the specified parameter from the given Java
+  * <code>String</code> value.
+  *
+  * @param index The index of the parameter value to set.
+  * @param value The value of the parameter.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+setString(int index, String value) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method sets the specified parameter from the given Java
+  * <code>byte</code> array value.
+  *
+  * @param index The index of the parameter value to set.
+  * @param value The value of the parameter.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+setBytes(int index, byte[] value) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method sets the specified parameter from the given Java
+  * <code>java.math.BigDecimal</code> value.
+  *
+  * @param index The index of the parameter value to set.
+  * @param value The value of the parameter.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+setBigDecimal(int index, java.math.BigDecimal value) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method sets the specified parameter from the given Java
+  * <code>java.sql.Date</code> value.
+  *
+  * @param index The index of the parameter value to set.
+  * @param value The value of the parameter.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+setDate(int index, java.sql.Date value) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method sets the specified parameter from the given Java
+  * <code>java.sql.Time</code> value.
+  *
+  * @param index The index of the parameter value to set.
+  * @param value The value of the parameter.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+setTime(int index, java.sql.Time value) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method sets the specified parameter from the given Java
+  * <code>java.sql.Timestamp</code> value.
+  *
+  * @param index The index of the parameter value to set.
+  * @param value The value of the parameter.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+setTimestamp(int index, java.sql.Timestamp value) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method sets the specified parameter from the given Java
+  * ASCII <code>InputStream</code> value.
+  *
+  * @param index The index of the parameter value to set.
+  * @param value The value of the parameter.
+  * @param length The number of bytes in the stream.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+setAsciiStream(int index, InputStream value, int length) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method sets the specified parameter from the given Java
+  * Unicode UTF-8 <code>InputStream</code> value.
+  *
+  * @param index The index of the parameter value to set.
+  * @param value The value of the parameter.
+  * @param length The number of bytes in the stream.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+setUnicodeStream(int index, InputStream value, int length) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method sets the specified parameter from the given Java
+  * binary <code>InputStream</code> value.
+  *
+  * @param index The index of the parameter value to set.
+  * @param value The value of the parameter.
+  * @param length The number of bytes in the stream.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+setBinaryStream(int index, InputStream value, int length) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method sets the specified parameter from the given Java
+  * <code>Object</code> value.  The default object type to SQL type mapping
+  * will be used.
+  *
+  * @param index The index of the parameter value to set.
+  * @param value The value of the parameter.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+setObject(int index, Object value) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method sets the specified parameter from the given Java
+  * <code>Object</code> value.  The specified SQL object type will be used.
+  *
+  * @param index The index of the parameter value to set.
+  * @param value The value of the parameter.
+  * @param type The SQL type to use for the parameter, from <code>Types</code>
+  *
+  * @exception SQLException If an error occurs.
+  *
+  * @see Types
+  */
+public abstract void
+setObject(int index, Object value, int type) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method sets the specified parameter from the given Java
+  * <code>Object</code> value.  The specified SQL object type will be used.
+  *
+  * @param index The index of the parameter value to set.
+  * @param value The value of the parameter.
+  * @param type The SQL type to use for the parameter, from <code>Types</code>
+  * @param scale The scale of the value, for numeric values only.
+  *
+  * @exception SQLException If an error occurs.
+  *
+  * @see Types
+  */
+public abstract void
+setObject(int index, Object value, int type, int scale) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method clears all of the input parameter that have been
+  * set on this statement.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+clearParameters() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method executes a prepared SQL query.
+  * Some prepared statements return multiple results; the execute method
+  * handles these complex statements as well as the simpler form of
+  * statements handled by executeQuery and executeUpdate.
+  *
+  * @return The result of the SQL statement.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+execute() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method executes a prepared SQL query and returns its ResultSet.
+  *
+  * @return The ResultSet of the SQL statement.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+executeQuery() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method executes an SQL INSERT, UPDATE or DELETE statement.  SQL
+  * statements that return nothing such as SQL DDL statements can be executed.
+  *
+  * @return The result is either the row count for INSERT, UPDATE or DELETE
+  * statements; or 0 for SQL statements that return nothing.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+executeUpdate() throws SQLException;
+
+} // interface PreparedStatement
+
diff --git a/libjava/java/sql/ResultSet.java b/libjava/java/sql/ResultSet.java
new file mode 100644
index 00000000000..d9215ad551b
--- /dev/null
+++ b/libjava/java/sql/ResultSet.java
@@ -0,0 +1,682 @@
+/* ResultSet.java -- A SQL statement result set.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package java.sql;
+
+import java.io.InputStream;
+import java.io.Reader;
+import java.math.BigDecimal;
+
+/**
+  * This interface provides access to the data set returned by a SQL
+  * statement.  An instance of this interface is returned by the various
+  * execution methods in the <code>Statement</code.
+  * <p>
+  * This class models a cursor, which can be stepped through one row at a
+  * time.  Methods are provided for accessing columns by column name or by
+  * index.
+  * <p>
+  * Note that a result set is invalidated if the statement that returned
+  * it is closed.
+  *
+  * @author Aaron M. Renn (arenn@urbanophile.com)
+  */
+public interface ResultSet
+{
+
+/**
+  * This method advances to the next row in the result set.  Any streams
+  * open on the current row are closed automatically.
+  *
+  * @return <code>true</code> if the next row exists, <code>false</code>
+  * otherwise.
+  * 
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean 
+next() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method closes the result set and frees any associated resources.
+  * 
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+close() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether the value of the last column that was fetched
+  * was actually a SQL NULL value.
+  *
+  * @return <code>true</code> if the last column fetched was a NULL,
+  * <code>false</code> otherwise.
+  * 
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+wasNull() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * <code>String</code>.
+  *
+  * @param index The index of the column to return.
+  *
+  * @return The column value as a <code>String</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getString(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * <code>Object</code>.
+  *
+  * @param index The index of the column to return.
+  *
+  * @return The column value as an <code>Object</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract Object
+getObject(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * <code>boolean</code>.
+  *
+  * @param index The index of the column to return.
+  *
+  * @return The column value as a <code>boolean</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+getBoolean(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * <code>byte</code>.
+  *
+  * @param index The index of the column to return.
+  *
+  * @return The column value as a <code>byte</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract byte
+getByte(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * <code>short</code>.
+  *
+  * @param index The index of the column to return.
+  *
+  * @return The column value as a <code>short</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract short
+getShort(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * <code>int</code>.
+  *
+  * @param index The index of the column to return.
+  *
+  * @return The column value as a <code>int</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getInt(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * <code>long</code>.
+  *
+  * @param index The index of the column to return.
+  *
+  * @return The column value as a <code>long</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract long
+getLong(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * <code>float</code>.
+  *
+  * @param index The index of the column to return.
+  *
+  * @return The column value as a <code>float</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract float
+getFloat(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * <code>double</code>.
+  *
+  * @param index The index of the column to return.
+  *
+  * @return The column value as a <code>double</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract double
+getDouble(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * <code>BigDecimal</code>.
+  *
+  * @param index The index of the column to return.
+  * @param scale The number of digits to the right of the decimal to return.
+  *
+  * @return The column value as a <code>BigDecimal</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract BigDecimal
+getBigDecimal(int index, int scale) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * byte array.
+  *
+  * @param index The index of the column to return.
+  *
+  * @return The column value as a byte array
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract byte[]
+getBytes(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * <code>java.sql.Date</code>.
+  *
+  * @param index The index of the column to return.
+  *
+  * @return The column value as a <code>java.sql.Date</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract java.sql.Date
+getDate(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * <code>java.sql.Time</code>.
+  *
+  * @param index The index of the column to return.
+  *
+  * @return The column value as a <code>java.sql.Time</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract java.sql.Time
+getTime(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * <code>java.sql.Timestamp</code>.
+  *
+  * @param index The index of the column to return.
+  *
+  * @return The column value as a <code>java.sql.Timestamp</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract java.sql.Timestamp
+getTimestamp(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as an ASCII 
+  * stream.  Note that all the data from this stream must be read before
+  * fetching the value of any other column.  Please also be aware that 
+  * calling <code>next()</code> or <code>close()</code> on this result set
+  * will close this stream as well.
+  *
+  * @param index The index of the column to return.
+  *
+  * @return The column value as an ASCII <code>InputStream</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract InputStream
+getAsciiStream(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Unicode UTF-8
+  * stream.  Note that all the data from this stream must be read before
+  * fetching the value of any other column.  Please also be aware that 
+  * calling <code>next()</code> or <code>close()</code> on this result set
+  * will close this stream as well.
+  *
+  * @param index The index of the column to return.
+  *
+  * @return The column value as a Unicode UTF-8 <code>InputStream</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract InputStream
+getUnicodeStream(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a raw byte
+  * stream.  Note that all the data from this stream must be read before
+  * fetching the value of any other column.  Please also be aware that 
+  * calling <code>next()</code> or <code>close()</code> on this result set
+  * will close this stream as well.
+  *
+  * @param index The index of the column to return.
+  *
+  * @return The column value as a raw byte <code>InputStream</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract InputStream
+getBinaryStream(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * <code>String</code>.
+  *
+  * @param column The name of the column to return.
+  *
+  * @return The column value as a <code>String</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getString(String column) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * <code>Object</code>.
+  *
+  * @param column The name of the column to return.
+  *
+  * @return The column value as an <code>Object</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract Object
+getObject(String column) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * <code>boolean</code>.
+  *
+  * @param column The name of the column to return.
+  *
+  * @return The column value as a <code>boolean</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+getBoolean(String column) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * <code>byte</code>.
+  *
+  * @param column The name of the column to return.
+  *
+  * @return The column value as a <code>byte</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract byte
+getByte(String column) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * <code>short</code>.
+  *
+  * @param column The name of the column to return.
+  *
+  * @return The column value as a <code>short</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract short
+getShort(String column) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * <code>int</code>.
+  *
+  * @param column The name of the column to return.
+  *
+  * @return The column value as a <code>int</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getInt(String column) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * <code>long</code>.
+  *
+  * @param column The name of the column to return.
+  *
+  * @return The column value as a <code>long</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract long
+getLong(String column) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * <code>float</code>.
+  *
+  * @param column The name of the column to return.
+  *
+  * @return The column value as a <code>float</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract float
+getFloat(String column) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * <code>double</code>.
+  *
+  * @param column The name of the column to return.
+  *
+  * @return The column value as a <code>double</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract double
+getDouble(String column) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * <code>BigDecimal</code>.
+  *
+  * @param column The name of the column to return.
+  * @param scale The number of digits to the right of the decimal to return.
+  *
+  * @return The column value as a <code>BigDecimal</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract BigDecimal
+getBigDecimal(String column, int scale) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * byte array.
+  *
+  * @param column The name of the column to return.
+  *
+  * @return The column value as a byte array
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract byte[]
+getBytes(String column) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * <code>java.sql.Date</code>.
+  *
+  * @param column The name of the column to return.
+  *
+  * @return The column value as a <code>java.sql.Date</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract java.sql.Date
+getDate(String column) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * <code>java.sql.Time</code>.
+  *
+  * @param column The name of the column to return.
+  *
+  * @return The column value as a <code>java.sql.Time</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract java.sql.Time
+getTime(String column) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Java
+  * <code>java.sql.Timestamp</code>.
+  *
+  * @param column The name of the column to return.
+  *
+  * @return The column value as a <code>java.sql.Timestamp</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract java.sql.Timestamp
+getTimestamp(String column) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as an ASCII 
+  * stream.  Note that all the data from this stream must be read before
+  * fetching the value of any other column.  Please also be aware that 
+  * calling <code>next()</code> or <code>close()</code> on this result set
+  * will close this stream as well.
+  *
+  * @param column The name of the column to return.
+  *
+  * @return The column value as an ASCII <code>InputStream</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract InputStream
+getAsciiStream(String column) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a Unicode UTF-8
+  * stream.  Note that all the data from this stream must be read before
+  * fetching the value of any other column.  Please also be aware that 
+  * calling <code>next()</code> or <code>close()</code> on this result set
+  * will close this stream as well.
+  *
+  * @param column The name of the column to return.
+  *
+  * @return The column value as a Unicode UTF-8 <code>InputStream</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract InputStream
+getUnicodeStream(String column) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the value of the specified column as a raw byte
+  * stream.  Note that all the data from this stream must be read before
+  * fetching the value of any other column.  Please also be aware that 
+  * calling <code>next()</code> or <code>close()</code> on this result set
+  * will close this stream as well.
+  *
+  * @param column The name of the column to return.
+  *
+  * @return The column value as a raw byte <code>InputStream</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract InputStream
+getBinaryStream(String column) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the first SQL warning associated with this result
+  * set.  Any additional warnings will be chained to this one.
+  *
+  * @return The first SQLWarning for this result set, or <code>null</code> if
+  * there are no warnings.
+  * 
+  * @exception SQLException If an error occurs.
+  */
+public abstract SQLWarning 
+getWarnings() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method clears all warnings associated with this result set.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+clearWarnings() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the name of the database cursor used by this
+  * result set.
+  *
+  * @return The name of the database cursor used by this result set.
+  * 
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getCursorName() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns data about the columns returned as part of the
+  * result set as a <code>ResultSetMetaData</code> instance.
+  *
+  * @return The <code>ResultSetMetaData</code> instance for this result set.
+  * 
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSetMetaData
+getMetaData() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the column index of the specified named column.
+  *
+  * @param column The name of the column.
+  *
+  * @return The index of the column.
+  * 
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+findColumn(String column) throws SQLException;
+
+} // interface ResultSet
+
diff --git a/libjava/java/sql/ResultSetMetaData.java b/libjava/java/sql/ResultSetMetaData.java
new file mode 100644
index 00000000000..ca6a69b78b4
--- /dev/null
+++ b/libjava/java/sql/ResultSetMetaData.java
@@ -0,0 +1,362 @@
+/* ResultSetMetaData.java -- Returns information about the ResultSet
+   Copyright (C) 1999 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package java.sql;
+
+/**
+  * This interface provides a mechanism for obtaining information about
+  * the columns that are present in a <code>ResultSet</code>.
+  * <p>
+  * Note that in this class column indexes start at 1, not 0.
+  *
+  * @author Aaron M. Renn (arenn@urbanophile.com)
+  */
+public interface ResultSetMetaData
+{
+
+/**
+  * The column does not allow NULL's.
+  */
+public static final int columnNoNulls = 0;
+
+/**
+  * The column allows NULL's.
+  */
+public static final int columnNullable = 1;
+
+/**
+  * It is unknown whether or not the column allows NULL's.
+  */
+public static final int columnNullableUnknown = 2;
+
+/*************************************************************************/
+
+/**
+  * This method returns the number of columns in the result set.
+  *
+  * @return The number of columns in the result set.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getColumnCount() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method test whether or not the column is an auto-increment column.
+  * Auto-increment columns are read-only.
+  *
+  * @param index The index of the column to test.
+  *
+  * @return <code>true</code> if the column is auto-increment, <code>false</code>
+  * otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+isAutoIncrement(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not a column is case sensitive in its values.
+  *
+  * @param index The index of the column to test.
+  *
+  * @return <code>true</code> if the column value is case sensitive,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+isCaseSensitive(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether not the specified column can be used in 
+  * a WHERE clause.
+  *
+  * @param index The index of the column to test.
+  *
+  * @return <code>true</code> if the column may be used in a WHERE clause,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+isSearchable(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the column stores a monetary value.
+  *
+  * @param index The index of the column to test.
+  *
+  * @return <code>true</code> if the column contains a monetary value,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+isCurrency(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a value indicating whether or not the specified
+  * column may contain a NULL value.
+  *
+  * @param index The index of the column to test.
+  *
+  * @return A constant indicating whether or not the column can contain NULL,
+  * which will be one of <code>columnNoNulls</code>,
+  * <code>columnNullable</code>, or <code>columnNullableUnknown</code>.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+isNullable(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the value of the specified column
+  * is signed or unsigned.
+  *
+  * @param index The index of the column to test.
+  *
+  * @return <code>true</code> if the column value is signed, <code>false</code>
+  * otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+isSigned(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum number of characters that can be used
+  * to display a value in this column.
+  *
+  * @param index The index of the column to check.
+  *
+  * @return The maximum number of characters that can be used to display a
+  * value for this column.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getColumnDisplaySize(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns a string that should be used as a caption for this
+  * column for user display purposes.
+  *
+  * @param index The index of the column to check.
+  *
+  * @return A display string for the column.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getColumnLabel(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the name of the specified column.
+  *
+  * @param index The index of the column to return the name of.
+  *
+  * @return The name of the column.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getColumnName(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the name of the schema that contains the specified
+  * column.
+  *
+  * @param index The index of the column to check the schema name for.
+  *
+  * @return The name of the schema that contains the column.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getSchemaName(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the precision of the specified column, which is the
+  * number of decimal digits it contains.
+  *
+  * @param index The index of the column to check the precision on.
+  *
+  * @return The precision of the specified column.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getPrecision(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the scale of the specified column, which is the
+  * number of digits to the right of the decimal point.
+  *
+  * @param index The index column to check the scale of.
+  *
+  * @return The scale of the column.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getScale(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the name of the table containing the specified
+  * column.
+  *
+  * @param index The index of the column to check the table name for.
+  *
+  * @return The name of the table containing the column.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getTableName(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the name of the catalog containing the specified
+  * column.
+  *
+  * @param index The index of the column to check the catalog name for.
+  *
+  * @return The name of the catalog containing the column.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getCatalogName(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the SQL type of the specified column.  This will
+  * be one of the constants from <code>Types</code>.
+  *
+  * @param index The index of the column to check the SQL type of.
+  *
+  * @return The SQL type for this column.
+  *
+  * @exception SQLException If an error occurs.
+  *
+  * @see Types
+  */
+public abstract int
+getColumnType(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the name of the SQL type for this column.
+  *
+  * @param index The index of the column to check the SQL type name for.
+  *
+  * @return The name of the SQL type for this column.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract String
+getColumnTypeName(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the specified column is read only.
+  *
+  * @param index The index of the column to check.
+  *
+  * @return <code>true</code> if the column is read only, <code>false</code>
+  * otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+isReadOnly(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the column may be writable.  This
+  * does not guarantee that a write will be successful.
+  *
+  * @param index The index of the column to check for writability.
+  *
+  * @return <code>true</code> if the column may be writable,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+isWritable(int index) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method tests whether or not the column is writable.  This
+  * does guarantee that a write will be successful.
+  *
+  * @param index The index of the column to check for writability.
+  *
+  * @return <code>true</code> if the column is writable,
+  * <code>false</code> otherwise.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+isDefinitelyWritable(int index) throws SQLException;
+
+} // interface ResultSetMetaData
+
diff --git a/libjava/java/sql/SQLException.java b/libjava/java/sql/SQLException.java
new file mode 100644
index 00000000000..0fa64830f28
--- /dev/null
+++ b/libjava/java/sql/SQLException.java
@@ -0,0 +1,199 @@
+/* SQLException.java -- General SQL exception
+   Copyright (C) 1999 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package java.sql;
+
+/**
+  * This exception is thrown when a database error occurs.
+  *
+  * @author Aaron M. Renn (arenn@urbanophile.com)
+  */
+public class SQLException extends Exception implements java.io.Serializable
+{
+
+/*************************************************************************/
+
+/*
+ * Instance Variables
+ */
+
+/**
+  * This is the next exception in the chain
+  * @serialized
+  */
+private SQLException next;
+
+/**
+  * This is the state of the SQL statement at the time of the error.
+  * @serialized
+  */
+private String SQLState;
+
+/**
+  * The vendor error code for this error
+  * @serialized
+  */
+private int vendorCode;
+
+/*************************************************************************/
+
+/*
+ * Constructors
+ */
+
+/**
+  * This method initializes a new instance of <code>SQLException</code>
+  * that does not have a descriptive messages and SQL state, and which
+  * has a vendor error code of 0.
+  */
+public 
+SQLException()
+{
+  this(null, null, 0);
+}
+
+/*************************************************************************/
+
+/**
+  * This method initializes a new instance of <code>SQLException</code>
+  * with the specified descriptive error message.  The SQL state of this
+  * instance will be <code>null</code> and the vendor error code will be 0.
+  *
+  * @param message A string describing the nature of the error.
+  */
+public 
+SQLException(String message)
+{
+  this(message, null, 0);
+}
+
+/*************************************************************************/
+
+/**
+  * This method initializes a new instance of <code>SQLException</code>
+  * with the specified descriptive error message and SQL state string.
+  * The vendor error code of this instance will be 0.
+  *
+  * @param message A string describing the nature of the error.
+  * @param SQLState A string containing the SQL state of the error.
+  */
+public
+SQLException(String message, String SQLState)
+{
+  this(message, SQLState, 0);
+}
+
+/*************************************************************************/
+
+/**
+  * This method initializes a nwe instance of <code>SQLException</code>
+  * with the specified descriptive error message, SQL state string, and
+  * vendor code.
+  *
+  * @param message A string describing the nature of the error.
+  * @param SQLState A string containing the SQL state of the error.
+  * @param vendorCode The vendor error code associated with this error.
+  */
+public
+SQLException(String message, String SQLState, int vendorCode)
+{
+  super(message);
+
+  this.SQLState = SQLState;
+  this.vendorCode = vendorCode;
+}
+
+/*************************************************************************/
+
+/*
+ * Instance Methods
+ */
+
+/**
+  * This method returns the SQLState information associated with this
+  * error.  The value returned is a <code>String</code> which is formatted
+  * using the XOPEN SQL state conventions.
+  *
+  * @return The SQL state, which may be <code>null</code>.
+  */
+public String
+getSQLState()
+{
+  return(SQLState);
+}
+
+/*************************************************************************/
+
+/**
+  * This method returns the vendor specific error code associated with 
+  * this error.
+  *
+  * @return The vendor specific error code associated with this error.
+  */
+public int
+getErrorCode()
+{
+  return(vendorCode);
+}
+
+/*************************************************************************/
+
+/**
+  * This method returns the exception that is chained to this object.
+  *
+  * @return The exception chained to this object, which may be 
+  * <code>null</code>.
+  */
+public SQLException
+getNextException()
+{
+  return(next);
+}
+
+/*************************************************************************/
+
+/**
+  * This method adds a new exception to the end of the chain of exceptions
+  * that are chained to this object.
+  *
+  * @param e The exception to add to the end of the chain.
+  */
+public void
+setNextException(SQLException e)
+{
+  if (e == null)
+    return;
+
+  SQLException list_entry = this;
+  while (list_entry.getNextException() != null)
+    list_entry = list_entry.getNextException();
+
+  list_entry.next = e;
+}
+
+} // class SQLException
+
diff --git a/libjava/java/sql/SQLWarning.java b/libjava/java/sql/SQLWarning.java
new file mode 100644
index 00000000000..d13bad127ee
--- /dev/null
+++ b/libjava/java/sql/SQLWarning.java
@@ -0,0 +1,136 @@
+/* SQLWarning.java -- Database access warnings.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package java.sql;
+
+/**
+  * This exception is thrown when a database warning occurs.
+  *
+  * @author Aaron M. Renn (arenn@urbanophile.com)
+  */
+public class SQLWarning extends SQLException implements java.io.Serializable
+{
+
+/*************************************************************************/
+
+/*
+ * Constructors
+ */
+
+/**
+  * This method initializes a new instance of <code>SQLWxception</code>
+  * that does not have a descriptive messages and SQL state, and which
+  * has a vendor error code of 0.
+  */
+public 
+SQLWarning()
+{
+  this(null, null, 0);
+}
+
+/*************************************************************************/
+
+/**
+  * This method initializes a new instance of <code>SQLWarning</code>
+  * with the specified descriptive error message.  The SQL state of this
+  * instance will be <code>null</code> and the vendor error code will be 0.
+  *
+  * @param message A string describing the nature of the error.
+  */
+public 
+SQLWarning(String message)
+{
+  this(message, null, 0);
+}
+
+/*************************************************************************/
+
+/**
+  * This method initializes a new instance of <code>SQLWarning</code>
+  * with the specified descriptive error message and SQL state string.
+  * The vendor error code of this instance will be 0.
+  *
+  * @param message A string describing the nature of the error.
+  * @param SQLState A string containing the SQL state of the error.
+  */
+public
+SQLWarning(String message, String SQLState)
+{
+  this(message, SQLState, 0);
+}
+
+/*************************************************************************/
+
+/**
+  * This method initializes a nwe instance of <code>SQLWarning</code>
+  * with the specified descriptive error message, SQL state string, and
+  * vendor code.
+  *
+  * @param message A string describing the nature of the error.
+  * @param SQLState A string containing the SQL state of the error.
+  * @param vendorCode The vendor error code associated with this error.
+  */
+public
+SQLWarning(String message, String SQLState, int vendorCode)
+{
+  super(message, SQLState, vendorCode);
+}
+
+/*************************************************************************/
+
+/*
+ * Instance Methods
+ */
+
+/**
+  * This method returns the exception that is chained to this object.
+  *
+  * @return The exception chained to this object, which may be 
+  * <code>null</code>.
+  */
+public SQLWarning
+getNextWarning()
+{
+  return((SQLWarning)super.getNextException());
+}
+
+/*************************************************************************/
+
+/**
+  * This method adds a new exception to the end of the chain of exceptions
+  * that are chained to this object.
+  *
+  * @param e The exception to add to the end of the chain.
+  */
+public void
+setNextWarning(SQLWarning e)
+{
+  super.setNextException(e);
+}
+
+} // class SQLWarning
+
diff --git a/libjava/java/sql/Statement.java b/libjava/java/sql/Statement.java
new file mode 100644
index 00000000000..1ceeb0f6837
--- /dev/null
+++ b/libjava/java/sql/Statement.java
@@ -0,0 +1,277 @@
+/* Statement.java -- Interface for executing SQL statements.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package java.sql;
+
+/**
+  * This interface provides a mechanism for executing SQL statements.
+  *
+  * @author Aaron M. Renn (arenn@urbanophile.com)
+  */
+public interface Statement
+{
+
+/**
+  * This method executes the specified SQL SELECT statement and returns a
+  * (possibly empty) <code>ResultSet</code> with the results of the query.
+  *
+  * @param sql The SQL statement to execute.
+  *
+  * @return The result set of the SQL statement.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract ResultSet
+executeQuery(String sql) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method executes the specified SQL INSERT, UPDATE, or DELETE statement
+  * and returns the number of rows affected, which may be 0.
+  * 
+  * @param sql The SQL statement to execute.
+  *
+  * @return The number of rows affected by the SQL statement.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+executeUpdate(String sql) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method closes the statement and frees any associated resources.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+close() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum length of any column value in bytes.
+  *
+  * @return The maximum length of any column value in bytes.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxFieldSize() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method sets the limit for the maximum length of any column in bytes.
+  *
+  * @param maxsize The new maximum length of any column in bytes.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+setMaxFieldSize(int maxsize) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the maximum possible number of rows in a result set.
+  *
+  * @return The maximum possible number of rows in a result set.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getMaxRows() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method sets the maximum number of rows that can be present in a
+  * result set.
+  *
+  * @param maxrows The maximum possible number of rows in a result set.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+setMaxRows(int maxrows) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method sets the local escape processing mode on or off.  The
+  * default value is on.
+  *
+  * @param escape <code>true</code> to enable local escape processing, 
+  * <code>false</code> to disable it.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+setEscapeProcessing(boolean esacpe) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * The method returns the number of seconds a statement may be in process
+  * before timing out.  A value of 0 means there is no timeout.
+  *
+  * @return The SQL statement timeout in seconds.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract int
+getQueryTimeout() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method sets the number of seconds a statement may be in process
+  * before timing out.  A value of 0 means there is no timeout.
+  *
+  * @param timeout The new SQL statement timeout value.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+setQueryTimeout(int timeout) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method cancels an outstanding statement, if the database supports
+  * that operation.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+cancel() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the first SQL warning attached to this statement.
+  * Subsequent warnings will be chained to this one.
+  *
+  * @return The first SQL warning for this statement.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract SQLWarning
+getWarnings() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method clears any SQL warnings that have been attached to this
+  * statement.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+clearWarnings() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method sets the cursor name that will be used by the result set.
+  *
+  * @param name The cursor name to use for this statement.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract void
+setCursorName(String name) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method executes an arbitrary SQL statement of any time.  The
+  * methods <code>getResultSet</code>, <code>getMoreResults</code> and
+  * <code>getUpdateCount</code> retrieve the results.
+  *
+  * @return <code>true</code> if a result set was returned, <code>false</code>
+  * if an update count was returned.
+  *
+  * @exception SQLException If an error occurs.
+  */
+public abstract boolean
+execute(String sql) throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the result set of the SQL statement that was
+  * executed.  This should be called only once per result set returned.
+  *
+  * @return The result set of the query, or <code>null</code> if there was
+  * no result set (for example, if the statement was an UPDATE).
+  *
+  * @exception SQLException If an error occurs.
+  *
+  * @see execute
+  */
+public abstract ResultSet
+getResultSet() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method returns the update count of the SQL statement that was
+  * executed.  This should be called only once per executed SQL statement.
+  *
+  * @return The update count of the query, or -1 if there was no update
+  * count (for example, if the statement was a SELECT).
+  *
+  * @exception SQLException If an error occurs.
+  *
+  * @see execute
+  */
+public abstract int
+getUpdateCount() throws SQLException;
+
+/*************************************************************************/
+
+/**
+  * This method advances the result set pointer to the next result set, 
+  * which can then be retrieved using <code>getResultSet</code>
+  *
+  * @return <code>true</code> if there is another result set, 
+  * <code>false</code> otherwise (for example, the next result is an
+  * update count).
+  *
+  * @exception SQLException If an error occurs.
+  *
+  * @see execute
+  */
+public abstract boolean
+getMoreResults() throws SQLException;
+
+} // interface Statement
+
diff --git a/libjava/java/sql/Time.java b/libjava/java/sql/Time.java
new file mode 100644
index 00000000000..e8086589832
--- /dev/null
+++ b/libjava/java/sql/Time.java
@@ -0,0 +1,137 @@
+/* Time.java -- Wrapper around java.util.Date
+   Copyright (C) 1999 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package java.sql;
+
+import java.text.SimpleDateFormat;
+
+/**
+  * This class is a wrapper around java.util.Date to allow the JDBC
+  * driver to identify the value as a SQL Time.
+  *
+  * @author Aaron M. Renn (arenn@urbanophile.com)
+  */
+public class Time extends java.util.Date implements java.io.Serializable
+{
+
+/*
+ * Class Variables
+ */
+
+/**
+  * Used for parsing and formatting this date.
+  */
+private static SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss");
+
+/*************************************************************************/
+
+/*
+ * Class Methods
+ */
+
+/**
+  * This method returns a new instance of this class by parsing a
+  * date in JDBC format into a Java date.
+  *
+  * @param str The string to parse.
+  *
+  * @return The resulting <code>java.sql.Time</code> value. 
+  */
+public static Time
+valueOf(String str)
+{
+  try
+    {
+      java.util.Date d = (java.util.Date)sdf.parseObject(str);
+      return(new Time(d.getTime()));
+    }
+  catch(Exception e)
+    {
+      return(null);
+    }
+}
+
+/*************************************************************************/
+
+/*
+ * Constructors
+ */
+
+/**
+  * This method initializes a new instance of this class with the
+  * specified year, month, and day.
+  *
+  * @param hour The hour for this Time (0-23)
+  * @param minute The minute for this time (0-59)
+  * @param second The second for this time (0-59)
+  *
+  * @deprecated
+  */
+public 
+Time(int hour, int minute, int second)
+{
+  super(System.currentTimeMillis());
+
+  setHours(hour);
+  setMinutes(minute);
+  setSeconds(second);
+}
+
+/*************************************************************************/
+
+/**
+  * This method initializes a new instance of this class with the
+  * specified time value representing the number of seconds since 
+  * Jan 1, 1970 at 12:00 midnight GMT.
+  *
+  * @param time The time value to intialize this <code>Time</code> to.
+  */
+public
+Time(long date)
+{
+  super(date);
+}
+
+/*************************************************************************/
+
+/*
+ * Instance Methods
+ */
+
+/**
+  * This method returns this date in JDBC format.
+  *
+  * @return This date as a string.
+  */
+public String
+toString()
+{
+  return(sdf.format(this));
+}
+
+} // class Time
+
diff --git a/libjava/java/sql/Timestamp.java b/libjava/java/sql/Timestamp.java
new file mode 100644
index 00000000000..c12267ec9dc
--- /dev/null
+++ b/libjava/java/sql/Timestamp.java
@@ -0,0 +1,285 @@
+/* Time.java -- Wrapper around java.util.Date
+   Copyright (C) 1999 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package java.sql;
+
+import java.text.SimpleDateFormat;
+
+/**
+  * This class is a wrapper around java.util.Date to allow the JDBC
+  * driver to identify the value as a SQL Timestamp.  Note that this
+  * class also adds an additional field for nano-seconds, and so 
+  * is not completely identical to <code>java.util.Date</code> as
+  * the <code>java.sql.Date</code> and <code>java.sql.Time</code>
+  * classes are.
+  *
+  * @author Aaron M. Renn (arenn@urbanophile.com)
+  */
+public class Timestamp extends java.util.Date implements java.io.Serializable
+{
+
+/*
+ * Class Variables
+ */
+
+/**
+  * Used for parsing and formatting this date.
+  */
+  // Millisecond will have to be close enough for now.
+private static SimpleDateFormat parse_sdf = 
+  new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSSS");
+
+private static SimpleDateFormat format_sdf =
+  new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+
+/*************************************************************************/
+
+/*
+ * Instance Variables
+ */
+
+/**
+  * @serial The nanosecond value for this object
+  */
+private int nanos;
+
+/*************************************************************************/
+
+/*
+ * Class Methods
+ */
+
+/**
+  * This method returns a new instance of this class by parsing a
+  * date in JDBC format into a Java date.
+  *
+  * @param str The string to parse.
+  *
+  * @return The resulting <code>java.sql.Timestamp</code> value. 
+  */
+public static Timestamp
+valueOf(String str)
+{
+  try
+    {
+      Date d = (Date)parse_sdf.parseObject(str);
+      return(new Timestamp(d.getTime()));
+    }
+  catch(Exception e)
+    {
+      return(null);
+    }
+}
+
+/*************************************************************************/
+
+/*
+ * Constructors
+ */
+
+/**
+  * This method initializes a new instance of this class with the
+  * specified year, month, and day.
+  *
+  * @param year The year for this Timestamp (year - 1900)
+  * @param month The month for this Timestamp (0-11)
+  * @param day The day for this Timestamp (1-31)
+  * @param hour The hour for this Timestamp (0-23)
+  * @param minute The minute for this Timestamp (0-59)
+  * @param second The second for this Timestamp (0-59)
+  * @param nanos The nanosecond value for this Timestamp (0 to 999,999,9999)
+  *
+  * @deprecated
+  */
+public 
+Timestamp(int year, int month, int day, int hour, int minute, int second,
+          int nanos)
+{
+  super(year, month, day, hour, minute, second);
+
+  this.nanos = nanos;
+}
+
+/*************************************************************************/
+
+/**
+  * This method initializes a new instance of this class with the
+  * specified time value representing the number of seconds since 
+  * Jan 1, 1970 at 12:00 midnight GMT.
+  *
+  * @param time The time value to intialize this <code>Time</code> to.
+  */
+public
+Timestamp(long date)
+{
+  super(date);
+}
+
+/*************************************************************************/
+
+/*
+ * Instance Methods
+ */
+
+/**
+  * This method returns this date in JDBC format.
+  *
+  * @return This date as a string.
+  */
+public String
+toString()
+{
+  return(format_sdf.format(this) + "." + getNanos());
+}
+
+/*************************************************************************/
+
+/**
+  * This method returns the nanosecond value for this object.
+  *
+  * @return The nanosecond value for this object.
+  */
+public int
+getNanos()
+{
+  return(nanos);
+}
+
+/*************************************************************************/
+
+/**
+  * This method sets the nanosecond value for this object.
+  *
+  * @param nanos The nanosecond value for this object.
+  */
+public void
+setNanos(int nanos)
+{
+  this.nanos = nanos;
+}
+
+/*************************************************************************/
+
+/**
+  * This methods tests whether this object is earlier than the specified
+  * object.
+  *
+  * @param ts The other <code>Timestamp</code> to test against.
+  *
+  * @return <code>true</code> if this object is earlier than the other object,
+  * <code>false</code> otherwise.
+  */
+public boolean
+before(Timestamp ts)
+{
+  if (ts.getTime() > getTime())
+    return(true);
+
+  if (ts.getNanos() > getNanos())
+    return(true);
+
+  return(false);
+}
+
+/*************************************************************************/
+
+/**
+  * This methods tests whether this object is later than the specified
+  * object.
+  *
+  * @param ts The other <code>Timestamp</code> to test against.
+  *
+  * @return <code>true</code> if this object is later than the other object,
+  * <code>false</code> otherwise.
+  */
+public boolean
+after(Timestamp ts)
+{
+  if (ts.getTime() < getTime())
+    return(true);
+
+  if (ts.getNanos() < getNanos())
+    return(true);
+
+  return(false);
+}
+
+/*************************************************************************/
+
+/**
+  * This method these the specified <code>Object</code> for equality
+  * against this object.  This will be true if an only if the specified
+  * object is an instance of <code>Timestamp</code> and has the same
+  * time value fields.
+  *
+  * @param obj The object to test against for equality.
+  *
+  * @return <code>true</code> if the specified object is equal to this
+  * object, <code>false</code> otherwise.
+  */
+public boolean
+equals(Object obj)
+{
+  if (obj == null)
+    return(false);
+
+  if (!(obj instanceof Timestamp))
+    return(false);
+
+  return(equals((Timestamp)obj));
+}
+
+/*************************************************************************/
+
+/**
+  * This method tests the specified timestamp for equality against this
+  * object.  This will be true if and only if the specified object is
+  * not <code>null</code> and contains all the same time value fields
+  * as this object.
+  *
+  * @param ts The <code>Timestamp</code> to test against for equality.
+  *
+  * @return <code>true</code> if the specified object is equal to this
+  * object, <code>false</code> otherwise.
+  */
+public boolean
+equals(Timestamp ts)
+{
+  if (ts == null)
+    return(false);
+
+  if (ts.getTime() != getTime())
+    return(false);
+
+  if (ts.getNanos() != getNanos())
+    return(false);
+
+  return(true);
+}
+
+} // class Timestamp
+
diff --git a/libjava/java/sql/Types.java b/libjava/java/sql/Types.java
new file mode 100644
index 00000000000..3cbbba929f6
--- /dev/null
+++ b/libjava/java/sql/Types.java
@@ -0,0 +1,64 @@
+/* Types.java -- SQL type constants
+   Copyright (C) 1999 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package java.sql;
+
+/**
+  * This class contains constants that are used to identify SQL data types.
+  *
+  * @author Aaron M. Renn (arenn@urbanophile.com)
+  */
+public class Types 
+{
+
+// These should be self explanatory.  People need a SQL book, not
+// Javadoc comments for these.
+
+public static final int BIT = -7;
+public static final int TINYINT = -6;
+public static final int SMALLINT = 5;
+public static final int INTEGER = 4;
+public static final int BIGINT = -5;
+public static final int FLOAT = 6;
+public static final int REAL = 7;
+public static final int DOUBLE = 8;
+public static final int NUMERIC = 2;
+public static final int DECIMAL = 3;
+public static final int CHAR = 1;
+public static final int VARCHAR = 12;
+public static final int LONGVARCHAR = -1;
+public static final int DATE = 91;
+public static final int TIME = 92;
+public static final int TIMESTAMP = 93;
+public static final int BINARY = -2;
+public static final int VARBINARY = -3;
+public static final int LONGVARBINARY = -4;
+public static final int NULL = 0;
+public static final int OTHER = 1111;
+
+} // class Types 
+