/*
* Copyright (c) 1998-2010 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source 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.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.db.sql;
import java.sql.SQLException;
import java.util.ArrayList;
import com.caucho.db.Database;
import com.caucho.db.table.Column;
import com.caucho.db.table.Table;
import com.caucho.db.table.TableIterator;
import com.caucho.db.table.Column.ColumnType;
import com.caucho.db.xa.Transaction;
import com.caucho.sql.SQLExceptionWrapper;
class InsertQuery extends Query {
private Table _table;
private ArrayList<Column> _columns;
private ArrayList<Expr> _values;
InsertQuery(Database db, String sql, Table table, ArrayList<Column> columns)
throws SQLException
{
super(db, sql, null);
_table = table;
_columns = columns;
}
public boolean isReadOnly()
{
return false;
}
public void setValues(ArrayList<Expr> values)
{
_values = values;
}
void init()
throws SQLException
{
Column []tableColumns = _table.getColumns();
for (int i = 0; i < tableColumns.length; i++) {
Column column = tableColumns[i];
Expr defaultExpr = column.getDefault();
if (column.getTypeCode() == ColumnType.IDENTITY) {
defaultExpr = new IdentityExpr(column.getTable(), column);
}
else if (column.getAutoIncrement() > 0) {
defaultExpr = new AutoIncrementExpr(column.getTable());
}
if (defaultExpr == null)
continue;
int j = 0;
for (; j < _columns.size(); j++) {
if (_columns.get(j) == column)
break;
}
if (j == _columns.size()) {
_columns.add(column);
_values.add(new NullExpr());
}
_values.set(j, new DefaultExpr(_values.get(j), defaultExpr));
}
}
/**
* Executes the query.
*/
public void execute(QueryContext queryContext, Transaction xa)
throws SQLException
{
TableIterator []rows = new TableIterator[1];
try {
rows[0] = _table.createTableIterator();
queryContext.init(xa, rows, isReadOnly());
_table.insert(queryContext, xa, _columns, _values);
queryContext.setRowUpdateCount(1);
} catch (java.io.IOException e) {
throw new SQLExceptionWrapper(e);
} finally {
queryContext.close();
}
}
public String toString()
{
return "InsertQuery[]";
}
}