org.tentackle.sql.MigrationStrategy Maven / Gradle / Ivy
/*
* Tentackle - https://tentackle.org.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.tentackle.sql;
/**
* Defines the methods to use for migration.
*
* @author harald
*/
public enum MigrationStrategy {
/** use {@link Backend#sqlRenameColumn}. */
NAME,
/** use {@link Backend#sqlAlterColumnType}. */
TYPE,
/** use {@link Backend#sqlAlterColumnType} to generate a comment. */
TYPE_WARNING,
/** use {@link Backend#sqlRenameAndAlterColumnType}. */
NAME_AND_TYPE,
/** use {@link Backend#sqlAlterColumnComment}. */
COMMENT,
/** use {@link Backend#sqlAlterColumnNullConstraint}. */
NULL,
/** use {@link Backend#sqlAlterColumnDefault}. */
DEFAULT
}