org.jooq.TableOnStep Maven / Gradle / Ivy
/**
* Copyright (c) 2009-2014, Data Geekery GmbH (http://www.datageekery.com)
* All rights reserved.
*
* This work is dual-licensed
* - under the Apache Software License 2.0 (the "ASL")
* - under the jOOQ License and Maintenance Agreement (the "jOOQ License")
* =============================================================================
* You may choose which license applies to you:
*
* - If you're using this work with Open Source databases, you may choose
* either ASL or jOOQ License.
* - If you're using this work with at least one commercial database, you must
* choose jOOQ License
*
* For more information, please visit http://www.jooq.org/licenses
*
* Apache Software License 2.0:
* -----------------------------------------------------------------------------
* 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
*
* Unless required by applicable law or agreed to in writing, software
* 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.
*
* jOOQ License and Maintenance Agreement:
* -----------------------------------------------------------------------------
* Data Geekery grants the Customer the non-exclusive, timely limited and
* non-transferable license to install and use the Software under the terms of
* the jOOQ License and Maintenance Agreement.
*
* This library is distributed with a LIMITED WARRANTY. See the jOOQ License
* and Maintenance Agreement for more details: http://www.jooq.org/licensing
*/
package org.jooq;
import java.util.Collection;
import org.jooq.exception.DataAccessException;
import org.jooq.impl.DSL;
/**
* An intermediate type for the construction of a JOIN clause,
* where there must be a join criteria added using an ON clause
* (with a {@link Condition}), or using a USING clause (with a list
* of {@link Field}).
*
* @author Lukas Eder
*/
public interface TableOnStep {
/**
* Add an ON clause to the JOIN.
*/
@Support
TableOnConditionStep on(Condition... conditions);
/**
* Add an ON clause to the JOIN.
*/
@Support
TableOnConditionStep on(Field condition);
/**
* Add an ON clause to the JOIN.
*
* NOTE: When inserting plain SQL into jOOQ objects, you must
* guarantee syntax integrity. You may also create the possibility of
* malicious SQL injection. Be sure to properly use bind variables and/or
* escape literals when concatenated into SQL clauses!
*
* @see DSL#condition(String)
*/
@Support
TableOnConditionStep on(String sql);
/**
* Add an ON clause to the JOIN.
*
* NOTE: When inserting plain SQL into jOOQ objects, you must
* guarantee syntax integrity. You may also create the possibility of
* malicious SQL injection. Be sure to properly use bind variables and/or
* escape literals when concatenated into SQL clauses!
*
* @see DSL#condition(String, Object...)
*/
@Support
TableOnConditionStep on(String sql, Object... bindings);
/**
* Add an ON clause to the JOIN.
*
* NOTE: When inserting plain SQL into jOOQ objects, you must
* guarantee syntax integrity. You may also create the possibility of
* malicious SQL injection. Be sure to properly use bind variables and/or
* escape literals when concatenated into SQL clauses!
*
* @see DSL#condition(String, QueryPart...)
*/
@Support
TableOnConditionStep on(String sql, QueryPart... parts);
/**
* Join a table with the USING(column [, column...]) syntax.
*
* If this is not supported by your RDBMS, then jOOQ will try to simulate
* this behaviour using the information provided in this query.
*/
@Support
Table using(Field... fields);
/**
* Join a table with the USING(column [, column...]) syntax.
*
* If this is not supported by your RDBMS, then jOOQ will try to simulate
* this behaviour using the information provided in this query.
*/
@Support
Table using(Collection> fields);
/**
* Join the table on a non-ambiguous foreign key relationship between the
* two joined tables.
*
* See {@link #onKey(ForeignKey)} for examples.
*
* @see #onKey(ForeignKey)
* @throws DataAccessException If there is no non-ambiguous key definition
* known to jOOQ
*/
@Support
TableOnConditionStep onKey() throws DataAccessException;
/**
* Join the table on a non-ambiguous foreign key relationship between the
* two joined tables.
*
* See {@link #onKey(ForeignKey)} for examples.
*
* @see #onKey(ForeignKey)
* @throws DataAccessException If there is no non-ambiguous key definition
* known to jOOQ
*/
@Support
TableOnConditionStep onKey(TableField... keyFields) throws DataAccessException;
/**
* Join the table on a non-ambiguous foreign key relationship between the
* two joined tables.
*
* An example:
* // There is a single foreign key relationship between A and B and it can
* // be obtained by A.getReferencesTo(B) or vice versa. The order of A and
* // B is not important
* A.join(B).onKey();
*
* // There are several foreign key relationships between A and B. In order
* // to disambiguate, you can provide a formal org.jooq.Key reference from
* // the generated Keys class
* A.join(B).onKey(key);
*
* // There are several foreign key relationships between A and B. In order
* // to disambiguate, you can provide any non-ambiguous foreign key column
* A.join(B).onKey(B.A_ID);
*