org.h2.command.dml.NoOperation Maven / Gradle / Ivy
/*
* Copyright 2004-2019 H2 Group. Multiple-Licensed under the MPL 2.0,
* and the EPL 1.0 (https://h2database.com/html/license.html).
* Initial Developer: H2 Group
*/
package org.h2.command.dml;
import org.h2.command.CommandInterface;
import org.h2.command.Prepared;
import org.h2.engine.Session;
import org.h2.result.ResultInterface;
/**
* Represents an empty statement or a statement that has no effect.
*/
public class NoOperation extends Prepared {
public NoOperation(Session session) {
super(session);
}
@Override
public int update() {
return 0;
}
@Override
public boolean isTransactional() {
return true;
}
@Override
public boolean needRecompile() {
return false;
}
@Override
public boolean isReadOnly() {
return true;
}
@Override
public ResultInterface queryMeta() {
return null;
}
@Override
public int getType() {
return CommandInterface.NO_OPERATION;
}
}