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/*
* Copyright (C) 2007 Apple Inc. All rights reserved.
* Copyright (C) 2010 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "modules/webdatabase/SQLStatementSync.h"
#include "bindings/v8/ExceptionState.h"
#include "core/dom/ExceptionCode.h"
#include "modules/webdatabase/sqlite/SQLiteDatabase.h"
#include "modules/webdatabase/sqlite/SQLiteStatement.h"
#include "modules/webdatabase/DatabaseSync.h"
#include "modules/webdatabase/SQLError.h"
#include "modules/webdatabase/SQLResultSet.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefPtr.h"
namespace WebCore {
SQLStatementSync::SQLStatementSync(const String& statement, const Vector<SQLValue>& arguments, int permissions)
: m_statement(statement)
, m_arguments(arguments)
, m_permissions(permissions)
{
ASSERT(!m_statement.isEmpty());
}
PassRefPtr<SQLResultSet> SQLStatementSync::execute(DatabaseSync* db, ExceptionState& exceptionState)
{
db->setAuthorizerPermissions(m_permissions);
SQLiteDatabase* database = &db->sqliteDatabase();
SQLiteStatement statement(*database, m_statement);
int result = statement.prepare();
if (result != SQLResultOk) {
if (result == SQLResultInterrupt)
exceptionState.throwUninformativeAndGenericDOMException(SQLDatabaseError);
else
exceptionState.throwDOMException(SyntaxError, SQLError::syntaxErrorMessage);
db->setLastErrorMessage("could not prepare statement", result, database->lastErrorMsg());
return 0;
}
if (statement.bindParameterCount() != m_arguments.size()) {
if (db->isInterrupted())
exceptionState.throwUninformativeAndGenericDOMException(SQLDatabaseError);
else
exceptionState.throwDOMException(SyntaxError, SQLError::syntaxErrorMessage);
db->setLastErrorMessage("number of '?'s in statement string does not match argument count");
return 0;
}
for (unsigned i = 0; i < m_arguments.size(); ++i) {
result = statement.bindValue(i + 1, m_arguments[i]);
if (result == SQLResultFull) {
exceptionState.throwDOMException(QuotaExceededError, SQLError::quotaExceededErrorMessage);
db->setLastErrorMessage("there was not enough remaining storage space");
return 0;
}
if (result != SQLResultOk) {
exceptionState.throwUninformativeAndGenericDOMException(SQLDatabaseError);
db->setLastErrorMessage("could not bind value", result, database->lastErrorMsg());
return 0;
}
}
RefPtr<SQLResultSet> resultSet = SQLResultSet::create();
// Step so we can fetch the column names.
result = statement.step();
if (result == SQLResultRow) {
int columnCount = statement.columnCount();
SQLResultSetRowList* rows = resultSet->rows();
for (int i = 0; i < columnCount; i++)
rows->addColumn(statement.getColumnName(i));
do {
for (int i = 0; i < columnCount; i++)
rows->addResult(statement.getColumnValue(i));
result = statement.step();
} while (result == SQLResultRow);
if (result != SQLResultDone) {
exceptionState.throwUninformativeAndGenericDOMException(SQLDatabaseError);
db->setLastErrorMessage("could not iterate results", result, database->lastErrorMsg());
return 0;
}
} else if (result == SQLResultDone) {
// Didn't find anything, or was an insert.
if (db->lastActionWasInsert())
resultSet->setInsertId(database->lastInsertRowID());
} else if (result == SQLResultFull) {
// Quota error, the delegate will be asked for more space and this statement might be re-run.
exceptionState.throwDOMException(QuotaExceededError, SQLError::quotaExceededErrorMessage);
db->setLastErrorMessage("there was not enough remaining storage space");
return 0;
} else if (result == SQLResultConstraint) {
exceptionState.throwDOMException(ConstraintError, "A constraint was violated.");
db->setLastErrorMessage("statement failed due to a constraint failure");
return 0;
} else {
exceptionState.throwUninformativeAndGenericDOMException(SQLDatabaseError);
db->setLastErrorMessage("could not execute statement", result, database->lastErrorMsg());
return 0;
}
resultSet->setRowsAffected(database->lastChanges());
return resultSet.release();
}
} // namespace WebCore
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