package com.tesora.dve.sql.statement.session;
/*
* #%L
* Tesora Inc.
* Database Virtualization Engine
* %%
* Copyright (C) 2011 - 2014 Tesora Inc.
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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/>.
* #L%
*/
import com.tesora.dve.exceptions.PEException;
import com.tesora.dve.sql.schema.Name;
import com.tesora.dve.sql.schema.SchemaContext;
import com.tesora.dve.sql.statement.StatementType;
import com.tesora.dve.sql.transform.behaviors.BehaviorConfiguration;
import com.tesora.dve.sql.transform.execution.ExecutionSequence;
import com.tesora.dve.sql.transform.execution.TransactionExecutionStep;
public class RollbackTransactionStatement extends TransactionStatement {
private final Name savepoint;
public RollbackTransactionStatement(Name savepointName) {
super(Kind.ROLLBACK);
savepoint = savepointName;
}
public Name getSavepointName() {
return savepoint;
}
@Override
public void plan(SchemaContext pc, ExecutionSequence es, BehaviorConfiguration config) throws PEException {
if (savepoint == null)
es.append(new TransactionExecutionStep(getDatabase(pc),getStorageGroup(pc),this));
else
unsupportedStatement();
}
@Override
public StatementType getStatementType() {
return StatementType.ROLLBACK;
}
}