?? createuserdatatype.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;
import org.h2.table.Column;
/**
* This class represents the statement
* CREATE DOMAIN
*/
public class CreateUserDataType extends DefineCommand {
private String typeName;
private Column column;
private boolean ifNotExists;
public CreateUserDataType(Session session) {
super(session);
}
public void setTypeName(String name) {
this.typeName = name;
}
public void setColumn(Column column) {
this.column = column;
}
public void setIfNotExists(boolean ifNotExists) {
// TODO user data type: if exists - probably better use 'or replace'
this.ifNotExists = ifNotExists;
}
public int update() throws SQLException {
session.getUser().checkAdmin();
session.commit(true);
Database db = session.getDatabase();
session.getUser().checkAdmin();
if (db.findUserDataType(typeName) != null) {
if (ifNotExists) {
return 0;
}
throw Message.getSQLException(ErrorCode.USER_DATA_TYPE_ALREADY_EXISTS_1, typeName);
}
int id = getObjectId(false, true);
UserDataType type = new UserDataType(db, id, typeName);
type.setColumn(column);
db.addDatabaseObject(session, type);
return 0;
}
}
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