org.jooq.JoinType Maven / Gradle / Ivy
/**
* Copyright (c) 2009-2016, Data Geekery GmbH (http://www.datageekery.com)
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
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* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Other licenses:
* -----------------------------------------------------------------------------
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* ASL 2.0 and offer limited warranties, support, maintenance, and commercial
* database integrations.
*
* For more information, please visit: http://www.jooq.org/licenses
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package org.jooq;
import static org.jooq.SQLDialect.MYSQL;
// ...
// ...
// ...
/**
* The type of join
*
* @author Lukas Eder
*/
public enum JoinType {
/**
* INNER JOIN
two tables.
*/
@Support
JOIN("join"),
/**
* CROSS JOIN
two tables.
*/
@Support
CROSS_JOIN("cross join"),
/**
* LEFT OUTER JOIN
two tables.
*/
@Support
LEFT_OUTER_JOIN("left outer join"),
/**
* RIGHT OUTER JOIN
two tables.
*/
@Support
RIGHT_OUTER_JOIN("right outer join"),
/**
* FULL OUTER JOIN
two tables.
*/
@Support
FULL_OUTER_JOIN("full outer join"),
/**
* NATURAL INNER JOIN
two tables.
*/
@Support
NATURAL_JOIN("natural join"),
/**
* NATURAL LEFT OUTER JOIN
two tables.
*/
@Support
NATURAL_LEFT_OUTER_JOIN("natural left outer join"),
/**
* NATURAL RIGHT OUTER JOIN
two tables.
*/
@Support
NATURAL_RIGHT_OUTER_JOIN("natural right outer join"),
/**
* CROSS APPLY
two tables.
*/
@Support({})
CROSS_APPLY("cross apply"),
/**
* OUTER APPLY
two tables.
*/
@Support({})
OUTER_APPLY("outer apply"),
/**
* STRAIGHT_JOIN
two tables.
*/
@Support({ MYSQL })
STRAIGHT_JOIN("straight_join"),
/**
* LEFT SEMI JOIN
two tables.
*/
@Support
LEFT_SEMI_JOIN("left semi join"),
/**
* LEFT ANTI JOIN
two tables.
*/
@Support
LEFT_ANTI_JOIN("left anti join")
;
private final String sql;
private JoinType(String sql) {
this.sql = sql;
}
public final String toSQL() {
return sql;
}
}