?? dropuserdatatype.java
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/*
* Copyright 2004-2008 H2 Group. Licensed under the H2 License, Version 1.0
* (http://h2database.com/html/license.html).
* Initial Developer: H2 Group
*/
package org.h2.command.ddl;
import java.sql.SQLException;
import org.h2.constant.ErrorCode;
import org.h2.engine.Database;
import org.h2.engine.Session;
import org.h2.engine.UserDataType;
import org.h2.message.Message;
/**
* This class represents the statement
* DROP DOMAIN
*/
public class DropUserDataType extends DefineCommand {
private String typeName;
private boolean ifExists;
public DropUserDataType(Session session) {
super(session);
}
public void setIfExists(boolean ifExists) {
this.ifExists = ifExists;
}
public int update() throws SQLException {
session.getUser().checkAdmin();
session.commit(true);
Database db = session.getDatabase();
UserDataType type = db.findUserDataType(typeName);
if (type == null) {
if (!ifExists) {
throw Message.getSQLException(ErrorCode.USER_DATA_TYPE_NOT_FOUND_1, typeName);
}
} else {
db.removeDatabaseObject(session, type);
}
return 0;
}
public void setTypeName(String name) {
this.typeName = name;
}
}
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