/*
* Copyright 2004-2011 H2 Group. Multiple-Licensed under the H2 License,
* Version 1.0, and under the Eclipse Public License, Version 1.0
* (http://h2database.com/html/license.html).
* Initial Developer: H2 Group
*/
package org.h2.command.ddl;
import org.h2.command.CommandInterface;
import org.h2.constant.ErrorCode;
import org.h2.engine.Database;
import org.h2.engine.Session;
import org.h2.engine.User;
import org.h2.message.DbException;
import org.h2.schema.Schema;
/**
* This class represents the statement
* CREATE SCHEMA
*/
public class CreateSchema extends DefineCommand {
private String schemaName;
private String authorization;
private boolean ifNotExists;
public CreateSchema(Session session) {
super(session);
}
public void setIfNotExists(boolean ifNotExists) {
this.ifNotExists = ifNotExists;
}
public int update() {
session.getUser().checkAdmin();
session.commit(true);
Database db = session.getDatabase();
User user = db.getUser(authorization);
user.checkAdmin();
if (db.findSchema(schemaName) != null) {
if (ifNotExists) {
return 0;
}
throw DbException.get(ErrorCode.SCHEMA_ALREADY_EXISTS_1, schemaName);
}
int id = getObjectId();
Schema schema = new Schema(db, id, schemaName, user, false);
db.addDatabaseObject(session, schema);
return 0;
}
public void setSchemaName(String name) {
this.schemaName = name;
}
public void setAuthorization(String userName) {
this.authorization = userName;
}
public int getType() {
return CommandInterface.CREATE_SCHEMA;
}
}