/**
* Copyright (C) 2009-2013 FoundationDB, LLC
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.foundationdb.sql.pg;
import com.foundationdb.sql.parser.PrepareStatementNode;
import com.foundationdb.sql.parser.ParameterNode;
import com.foundationdb.sql.parser.StatementNode;
import com.foundationdb.sql.optimizer.ParameterFinder;
import com.foundationdb.qp.operator.QueryBindings;
import java.util.List;
import java.io.IOException;
public class PostgresPrepareStatement extends PostgresBaseCursorStatement
{
private String name;
private String sql;
private StatementNode stmt;
private List<ParameterNode> params;
private int[] paramTypes;
@Override
public PostgresStatement finishGenerating(PostgresServerSession server,
String sql, StatementNode stmt,
List<ParameterNode> params, int[] paramTypes) {
PrepareStatementNode prepare = (PrepareStatementNode)stmt;
this.name = prepare.getName();
this.stmt = prepare.getStatement();
if (params == null)
params = new ParameterFinder().find(this.stmt);
this.params = params;
this.paramTypes = paramTypes;
this.sql = sql.substring(this.stmt.getBeginOffset(), this.stmt.getEndOffset() + 1);
return this;
}
@Override
public int execute(PostgresQueryContext context, QueryBindings bindings, int maxrows) throws IOException {
PostgresServerSession server = context.getServer();
server.prepareStatement(name, sql, stmt, params, paramTypes);
{
PostgresMessenger messenger = server.getMessenger();
messenger.beginMessage(PostgresMessages.COMMAND_COMPLETE_TYPE.code());
messenger.writeString("PREPARE");
messenger.sendMessage();
}
return 0;
}
@Override
public boolean putInCache() {
return false;
}
}