com.mysql.cj.xdevapi.GeneratedColumnDef Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of mysql-connector-java
Show all versions of mysql-connector-java
JDBC Type 4 driver for MySQL
/*
* Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 2.0, as published by the
* Free Software Foundation.
*
* This program is also distributed with certain software (including but not
* limited to OpenSSL) that is licensed under separate terms, as designated in a
* particular file or component or in included license documentation. The
* authors of MySQL hereby grant you an additional permission to link the
* program and your derivative works with the separately licensed software that
* they have included with MySQL.
*
* Without limiting anything contained in the foregoing, this file, which is
* part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
* version 1.0, a copy of which can be found at
* http://oss.oracle.com/licenses/universal-foss-exception.
*
* This program 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 General Public License, version 2.0,
* for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package com.mysql.cj.xdevapi;
import com.mysql.cj.util.StringUtils;
import com.mysql.cj.xdevapi.ColumnDefinition.GeneratedColumnDefinition;
public final class GeneratedColumnDef extends AbstractColumnDef implements GeneratedColumnDefinition {
private String expr;
private boolean isStored = false;
public GeneratedColumnDef(String columnName, Type columnType, String expression) {
this.name = columnName;
this.type = columnType;
this.expr = expression;
}
public GeneratedColumnDef(String columnName, Type columnType, int length, String expression) {
this.name = columnName;
this.type = columnType;
this.length = length;
this.expr = expression;
}
@Override
GeneratedColumnDefinition self() {
return this;
}
@Override
public GeneratedColumnDefinition stored() {
this.isStored = true;
return self();
}
/**
* column_definition:
* data_type [GENERATED ALWAYS] AS (expression)
* [VIRTUAL | STORED] [UNIQUE [KEY]] [COMMENT comment]
* [NOT NULL | NULL] [[PRIMARY] KEY]
*/
@Override
public String toString() {
StringBuilder sb = new StringBuilder(this.name);
sb.append(" ").append(getMysqlType());
sb.append(" AS (").append(this.expr).append(")");
if (this.isStored) {
sb.append(" STORED");
}
if (this.uniqueIndex) {
sb.append(" UNIQUE KEY");
}
if (this.comment != null && !this.comment.isEmpty()) {
sb.append(" COMMENT ").append(StringUtils.quoteIdentifier(this.comment, "'", true));
}
if (this.notNull != null) {
sb.append(this.notNull ? " NOT NULL" : " NULL");
}
if (this.primaryKey) {
sb.append(" PRIMARY KEY");
}
return sb.toString();
}
}