/*
* Copyright (c) 2010, Stanislav Muhametsin. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied.
*
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.qi4j.index.sql.support.postgresql;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import org.qi4j.index.sql.support.common.DBNames;
import org.qi4j.index.sql.support.skeletons.AbstractSQLIndexing;
import org.qi4j.library.sql.common.SQLUtil;
import org.qi4j.spi.entity.EntityState;
import org.sql.generation.api.grammar.builders.modification.ColumnSourceByValuesBuilder;
import org.sql.generation.api.grammar.builders.modification.pgsql.PgSQLInsertStatementBuilder;
import org.sql.generation.api.grammar.factories.ColumnsFactory;
import org.sql.generation.api.grammar.factories.LiteralFactory;
import org.sql.generation.api.grammar.factories.ModificationFactory;
import org.sql.generation.api.grammar.factories.TableReferenceFactory;
import org.sql.generation.api.grammar.modification.InsertStatement;
import org.sql.generation.api.grammar.modification.ValueSource;
import org.sql.generation.api.vendor.SQLVendor;
public class PostgreSQLIndexing
extends AbstractSQLIndexing
{
@Override
protected long getPKFromAutoGeneratedIDInsert( EntityState state,
PreparedStatement autoGeneratedIDStatement,
SQLVendor vendor, Connection connection )
throws SQLException
{
this.addEntityInfoToInsertToEntityTablePS( state, autoGeneratedIDStatement, 1 );
ResultSet rs = autoGeneratedIDStatement.executeQuery();
try
{
rs.next();
return rs.getLong( 1 );
}
finally
{
SQLUtil.closeQuietly( rs );
}
}
@Override
protected InsertStatement createInsertStatementWithAutoGeneratedIDForEntitiesTable(
String schemaName, String tableName, SQLVendor vendor )
{
ModificationFactory m = vendor.getModificationFactory();
LiteralFactory l = vendor.getLiteralFactory();
TableReferenceFactory t = vendor.getTableReferenceFactory();
ColumnsFactory c = vendor.getColumnsFactory();
ColumnSourceByValuesBuilder columnBuilder = m.columnSourceByValues();
columnBuilder.addValues( ValueSource.Default.INSTANCE );
for( Integer x = 1; x < AMOUNT_OF_COLUMNS_IN_ENTITY_TABLE; ++x )
{
columnBuilder.addValues( l.param() );
}
return ( (PgSQLInsertStatementBuilder) m.insert() )
.setReturningClause(
vendor.getQueryFactory().columnsBuilder()
.addUnnamedColumns( c.colName( DBNames.ENTITY_TABLE_PK_COLUMN_NAME ) )
.createExpression()
)
.setTableName( t.tableName( schemaName, tableName ) )
.setColumnSource( columnBuilder.createExpression() )
.createExpression();
}
}