diff options
Diffstat (limited to 'ndb/src/client/odbc/codegen/Code_insert.cpp')
-rw-r--r-- | ndb/src/client/odbc/codegen/Code_insert.cpp | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/ndb/src/client/odbc/codegen/Code_insert.cpp b/ndb/src/client/odbc/codegen/Code_insert.cpp new file mode 100644 index 00000000000..c442186c181 --- /dev/null +++ b/ndb/src/client/odbc/codegen/Code_insert.cpp @@ -0,0 +1,253 @@ +/* Copyright (C) 2003 MySQL AB + + This program 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 of the License, or + (at your option) any later version. + + This program 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 this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ + +#include <common/StmtArea.hpp> +#include <dictionary/DictTable.hpp> +#include <dictionary/DictColumn.hpp> +#include "Code_insert.hpp" +#include "Code_query_repeat.hpp" +#include "Code_query_project.hpp" +#include "Code_table.hpp" +#include "Code_root.hpp" + +// Plan_insert + +Plan_insert::~Plan_insert() +{ +} + +Plan_base* +Plan_insert::analyze(Ctx& ctx, Ctl& ctl) +{ + stmtArea().stmtInfo().setName(Stmt_name_insert); + ctx_assert(m_table != 0); + m_table->analyze(ctx, ctl); + if (! ctx.ok()) + return 0; + // handle MySql syntax + if (m_mysqlRow != 0) { + setDmlRow(m_mysqlRow->m_dmlRow); + setExprRow(m_mysqlRow->m_exprRow); + m_mysqlRow = 0; + } + if (m_dmlRow == 0) { + // construct column list + setDmlRow(new Plan_dml_row(m_root)); + m_root->saveNode(m_dmlRow); + const DictTable& dictTable = m_table->dictTable(); + unsigned n = dictTable.getSize(); + for (unsigned i = 1; i <= n; i++) { + DictColumn* dictColumn = dictTable.getColumn(i); + Plan_dml_column* column = new Plan_dml_column(m_root, dictColumn->getName()); + m_root->saveNode(column); + m_dmlRow->addColumn(column); + } + } + // set name resolution scope + ctl.m_tableList.resize(1 + 1); // indexed from 1 + ctl.m_tableList[1] = m_table; + // analyze the dml columns + m_dmlRow->analyze(ctx, ctl); + if (! ctx.ok()) + return 0; + ctl.m_dmlRow = m_dmlRow; // row type to convert to + if (m_query != 0) { + m_query->analyze(ctx, ctl); + if (! ctx.ok()) + return 0; + } else if (m_select == 0) { + // analyze the expression row + m_exprRow->analyze(ctx, ctl); + if (! ctx.ok()) + return 0; + // transform the row into query + Plan_query_repeat* queryRepeat = new Plan_query_repeat(m_root, 1); + m_root->saveNode(queryRepeat); + Plan_query_project* queryProject = new Plan_query_project(m_root); + m_root->saveNode(queryProject); + queryProject->setQuery(queryRepeat); + queryProject->setRow(m_exprRow); + setQuery(queryProject); + } else { + // analyze the select into query + Plan_query* query = static_cast<Plan_query*>(m_select->analyze(ctx, ctl)); + if (! ctx.ok()) + return 0; + setQuery(query); + } + return this; +} + +void +Plan_insert::describe(Ctx& ctx) +{ + stmtArea().setFunction(ctx, "INSERT", SQL_DIAG_INSERT); +} + +Exec_base* +Plan_insert::codegen(Ctx& ctx, Ctl& ctl) +{ + // create code for the query + ctx_assert(m_query != 0); + Exec_query* execQuery = static_cast<Exec_query*>(m_query->codegen(ctx, ctl)); + if (! ctx.ok()) + return 0; + ctx_assert(execQuery != 0); + // set up + ctx_assert(m_table != 0); + const BaseString& tableName = m_table->getName(); + const DictTable& dictTable = m_table->dictTable(); + const ColumnVector& columns = m_table->dmlColumns(); + ctx_assert(columns.size() > 0); + const unsigned attrCount = columns.size() - 1; + // create the code + Exec_insert::Code& code = *new Exec_insert::Code(); + code.m_insertOp = m_insertOp; + code.m_tableName = strcpy(new char[tableName.length() + 1], tableName.c_str()); + code.m_attrCount = attrCount; + code.m_attrId = new NdbAttrId[1 + attrCount]; + code.m_isKey = new bool[1 + attrCount]; + code.m_attrId[0] = (NdbAttrId)-1; + code.m_tupleId = dictTable.tupleId(); // maybe 0 + code.m_autoIncrement = dictTable.autoIncrement(); // maybe 0 + unsigned k; + if ((k = code.m_tupleId) != 0 || (k = code.m_autoIncrement) != 0) { + const DictColumn& dictColumn = *dictTable.getColumn(k); + code.m_idType = dictColumn.sqlType(); + } + for (unsigned i = 1; i <= attrCount; i++) { + Plan_column* column = columns[i]; + ctx_assert(column != 0); + const DictColumn& dictColumn = column->dictColumn(); + code.m_attrId[i] = dictColumn.getAttrId(); + code.m_isKey[i] = dictColumn.isKey(); + } + // default values XXX a mess + code.m_defaultCount = 0; + for (unsigned j = 1; j <= dictTable.getSize(); j++) { + const DictColumn& dictColumn = *dictTable.getColumn(j); + if (dictColumn.getDefaultValue() != 0 && ! code.findAttrId(dictColumn.getAttrId())) + code.m_defaultCount++; + } + if (code.m_defaultCount != 0) { + code.m_defaultId = new NdbAttrId[1 + code.m_defaultCount]; + for (unsigned i = 0, j = 1; j <= dictTable.getSize(); j++) { + const DictColumn& dictColumn = *dictTable.getColumn(j); + if (dictColumn.getDefaultValue() != 0 && ! code.findAttrId(dictColumn.getAttrId())) + code.m_defaultId[++i] = dictColumn.getAttrId(); + } + SqlSpecs sqlSpecs(code.m_defaultCount); + for (unsigned i = 0, j = 1; j <= dictTable.getSize(); j++) { + const DictColumn& dictColumn = *dictTable.getColumn(j); + if (dictColumn.getDefaultValue() != 0 && ! code.findAttrId(dictColumn.getAttrId())) { + SqlSpec sqlSpec(dictColumn.sqlType(), SqlSpec::Physical); + sqlSpecs.setEntry(++i, sqlSpec); + } + } + code.m_defaultValue = new SqlRow(sqlSpecs); + for (unsigned i = 0, j = 1; j <= dictTable.getSize(); j++) { + const DictColumn& dictColumn = *dictTable.getColumn(j); + if (dictColumn.getDefaultValue() != 0 && ! code.findAttrId(dictColumn.getAttrId())) { + const char* defaultValue = dictColumn.getDefaultValue(); + ExtType extType(ExtType::Char); + ExtSpec extSpec(extType); + SQLINTEGER ind = SQL_NTS; + ExtField extField(extSpec, (SQLPOINTER)defaultValue, 0, &ind); + SqlField& f = code.m_defaultValue->getEntry(++i); + f.copyin(ctx, extField); + if (! ctx.ok()) + return 0; + } + } + } + // create the exec + Exec_insert* exec = new Exec_insert(ctl.m_execRoot); + ctl.m_execRoot->saveNode(exec); + exec->setCode(code); + exec->setQuery(execQuery); + return exec; +} + +void +Plan_insert::print(Ctx& ctx) +{ + ctx.print(" [%s", m_insertOp == Insert_op_insert ? "insert" : "write"); + Plan_base* a[] = { m_table, m_dmlRow, m_exprRow, m_query }; + printList(ctx, a, 4); + ctx.print("]"); +} + +// Exec_insert + +Exec_insert::Code::~Code() +{ + delete[] m_tableName; + delete[] m_attrId; + delete[] m_isKey; + delete[] m_defaultId; + delete m_defaultValue; +} + +bool +Exec_insert::Code::findAttrId(NdbAttrId attrId) const +{ + for (unsigned i = 1; i <= m_attrCount; i++) { + if (m_attrId[i] == attrId) + return true; + } + return false; +} + +Exec_insert::Data::~Data() +{ +} + +Exec_insert::~Exec_insert() +{ +} + +void +Exec_insert::alloc(Ctx& ctx, Ctl& ctl) +{ + // allocate the query + ctx_assert(m_query != 0); + m_query->alloc(ctx, ctl); + // create data + Data& data = *new Data(); + setData(data); +} + +void +Exec_insert::close(Ctx& ctx) +{ +} + +void +Exec_insert::print(Ctx& ctx) +{ + const Code& code = getCode(); + ctx_assert(m_query != 0); + ctx.print(" [insert"); + ctx.print(" attrId="); + for (unsigned i = 1; i <= code.m_attrCount; i++) { + if (i > 1) + ctx.print(","); + ctx.print("%u", (unsigned)code.m_attrId[i]); + } + ctx.print(" table=%s", code.m_tableName); + m_query->print(ctx); + ctx.print("]"); +} |