org.h2.command.ddl.AlterView Maven / Gradle / Ivy
/*
* Copyright 2004-2021 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.ddl;
import org.h2.command.CommandInterface;
import org.h2.engine.SessionLocal;
import org.h2.message.DbException;
import org.h2.table.TableView;
/**
* This class represents the statement
* ALTER VIEW
*/
public class AlterView extends DefineCommand {
private boolean ifExists;
private TableView view;
public AlterView(SessionLocal session) {
super(session);
}
public void setIfExists(boolean b) {
ifExists = b;
}
public void setView(TableView view) {
this.view = view;
}
@Override
public long update() {
if (view == null && ifExists) {
return 0;
}
session.getUser().checkSchemaOwner(view.getSchema());
DbException e = view.recompile(session, false, true);
if (e != null) {
throw e;
}
return 0;
}
@Override
public int getType() {
return CommandInterface.ALTER_VIEW;
}
}