jooq/jOOQ/src/main/java/org/jooq/InsertQuery.java
2012-06-29 14:56:49 +02:00

278 lines
10 KiB
Java

/**
* Copyright (c) 2009-2012, Lukas Eder, lukas.eder@gmail.com
* All rights reserved.
*
* This software is licensed to you under the Apache License, Version 2.0
* (the "License"); You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* . Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* . Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* . Neither the name "jOOQ" nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package org.jooq;
import static org.jooq.SQLDialect.CUBRID;
import static org.jooq.SQLDialect.DB2;
import static org.jooq.SQLDialect.HSQLDB;
import static org.jooq.SQLDialect.MYSQL;
import static org.jooq.SQLDialect.ORACLE;
import static org.jooq.SQLDialect.SQLSERVER;
import static org.jooq.SQLDialect.SYBASE;
import java.util.Collection;
import java.util.Map;
/**
* A query for data insertion
*
* @param <R> The record type of the table being inserted into
* @author Lukas Eder
*/
public interface InsertQuery<R extends Record> extends StoreQuery<R>, Insert<R> {
/**
* Adds a new Record to the insert statement for multi-record inserts
* <p>
* Calling this method will cause subsequent calls to
* {@link #addValue(Field, Object)} (and similar) to fill the next record.
* <p>
* If this call is not followed by {@link #addValue(Field, Object)} calls,
* then this call has no effect.
* <p>
* If this call is done on a fresh insert statement (without any values
* yet), then this call has no effect either.
*/
@Support
void newRecord();
/**
* Short for calling <code>
* newRecord();
* setRecord(record);
* </code>
*
* @param record The record to add to this insert statement.
*/
@Support
void addRecord(R record);
/**
* Whether a <code>ON DUPLICATE KEY UPDATE</code> clause should be added to
* this <code>INSERT</code> statement.
* <p>
* When setting this flag to <code>true</code>, be sure to also add values
* "for update" using the {@link #addValueForUpdate(Field, Field)} methods.
* <p>
* The <code>ON DUPLICATE KEY UPDATE</code> flag is mutually exclusive with
* the <code>ON DUPLICATE KEY IGNORE</code> flag (see
* {@link #onDuplicateKeyIgnore(boolean)}. Setting one will unset the other
*
* @see InsertOnDuplicateStep#onDuplicateKeyUpdate()
*/
@Support({ CUBRID, DB2, HSQLDB, MYSQL, ORACLE, SQLSERVER, SYBASE })
void onDuplicateKeyUpdate(boolean flag);
/**
* Whether an <code>ON DUPLICATE KEY IGNORE</code> clause should be added to
* this <code>INSERT</code> statement.
* <p>
* This clause is not actually supported in this form by any database, but
* can be simulated as such:
* <table border="1">
* <tr>
* <th>Dialect</th>
* <th>Simulation</th>
* </tr>
* <tr>
* <td> {@link SQLDialect#MYSQL}</td>
* <td> <code><pre>INSERT IGNORE INTO ..</pre></code></td>
* </tr>
* <tr>
* <td> {@link SQLDialect#CUBRID}</td>
* <td>
* <code><pre>INSERT INTO .. ON DUPLICATE KEY UPDATE [any-field] = [any-field]</pre></code>
* </td>
* </tr>
* <tr>
* <td> {@link SQLDialect#DB2}<br/>
* {@link SQLDialect#HSQLDB}<br/>
* {@link SQLDialect#ORACLE}<br/>
* {@link SQLDialect#SQLSERVER}<br/>
* {@link SQLDialect#SYBASE}</td>
* <td><code><pre>MERGE INTO [dst]
* USING ([values]) src
* ON [dst.key] = [src.key]
* WHEN NOT MATCHED THEN INSERT ..</pre></code></td>
* </tr>
* </table>
* <p>
* The <code>ON DUPLICATE KEY UPDATE</code> flag is mutually exclusive with
* the <code>ON DUPLICATE KEY IGNORE</code> flag (see
* {@link #onDuplicateKeyIgnore(boolean)}. Setting one will unset the other
*/
@Support({ CUBRID, DB2, HSQLDB, MYSQL, ORACLE, SQLSERVER, SYBASE })
void onDuplicateKeyIgnore(boolean flag);
/**
* Add a value to the <code>ON DUPLICATE KEY UPDATE</code> clause of this
* <code>INSERT</code> statement, where this is supported.
*
* @see InsertOnDuplicateStep#onDuplicateKeyUpdate()
*/
@Support({ DB2, HSQLDB, MYSQL, ORACLE, SQLSERVER, SYBASE })
<T> void addValueForUpdate(Field<T> field, T value);
/**
* Add a value to the <code>ON DUPLICATE KEY UPDATE</code> clause of this
* <code>INSERT</code> statement, where this is supported.
*
* @see InsertOnDuplicateStep#onDuplicateKeyUpdate()
*/
@Support({ DB2, HSQLDB, MYSQL, ORACLE, SQLSERVER, SYBASE })
<T> void addValueForUpdate(Field<T> field, Field<T> value);
/**
* Add multiple values to the <code>ON DUPLICATE KEY UPDATE</code> clause of
* this <code>INSERT</code> statement, where this is supported.
* <p>
* Please assure that key/value pairs have matching <code>&lt;T&gt;</code>
* types. Values can either be of type <code>&lt;T&gt;</code> or
* <code>Field&lt;T&gt;</code>
*
* @see InsertOnDuplicateStep#onDuplicateKeyUpdate()
*/
@Support({ DB2, HSQLDB, MYSQL, ORACLE, SQLSERVER, SYBASE })
void addValuesForUpdate(Map<? extends Field<?>, ?> map);
/**
* Configure the <code>INSERT</code> statement to return all fields in
* <code>R</code>.
*
* @see #getReturnedRecords()
*/
@Support
void setReturning();
/**
* Configure the <code>INSERT</code> statement to return the generated
* identity value.
*
* @param identity The table's identity
* @see #getReturnedRecords()
*/
@Support
void setReturning(Identity<R, ? extends Number> identity);
/**
* Configure the <code>INSERT</code> statement to return a list of fields in
* <code>R</code>.
*
* @param fields Fields to be returned
* @see #getReturnedRecords()
*/
@Support
void setReturning(Field<?>... fields);
/**
* Configure the <code>INSERT</code> statement to return a list of fields in
* <code>R</code>.
*
* @param fields Fields to be returned
* @see #getReturnedRecords()
*/
@Support
void setReturning(Collection<? extends Field<?>> fields);
/**
* The record holding returned values as specified by any of the
* {@link #setReturning()} methods.
* <p>
* If the insert statement returns several records, this is the same as
* calling <code>getReturnedRecords().get(0)</code>
* <p>
* This implemented differently for every dialect:
* <ul>
* <li>Postgres has native support for <code>INSERT .. RETURNING</code>
* clauses</li>
* <li>HSQLDB, Oracle, and DB2 JDBC drivers allow for retrieving any table
* column as "generated key" in one statement</li>
* <li>Derby, H2, Ingres, MySQL, SQL Server only allow for retrieving
* IDENTITY column values as "generated key". If other fields are requested,
* a second statement is issued. Client code must assure transactional
* integrity between the two statements.</li>
* <li>Sybase and SQLite allow for retrieving IDENTITY values as
* <code>@@identity</code> or <code>last_inserted_rowid()</code> values.
* Those values are fetched in a separate <code>SELECT</code> statement. If
* other fields are requested, a second statement is issued. Client code
* must assure transactional integrity between the two statements.</li>
* </ul>
*
* @return The returned value as specified by any of the
* {@link #setReturning()} methods. This may return
* <code>null</code> in case jOOQ could not retrieve any generated
* keys from the JDBC driver.
* @see #getReturnedRecords()
*/
@Support
R getReturnedRecord();
/**
* The records holding returned values as specified by any of the
* {@link #setReturning()} methods.
* <p>
* This implemented differently for every dialect:
* <ul>
* <li>Postgres has native support for <code>INSERT .. RETURNING</code>
* clauses</li>
* <li>HSQLDB, Oracle, and DB2 JDBC drivers allow for retrieving any table
* column as "generated key" in one statement</li>
* <li>Derby, H2, Ingres, MySQL, SQL Server only allow for retrieving
* IDENTITY column values as "generated key". If other fields are requested,
* a second statement is issued. Client code must assure transactional
* integrity between the two statements.</li>
* <li>Sybase and SQLite allow for retrieving IDENTITY values as
* <code>@@identity</code> or <code>last_inserted_rowid()</code> values.
* Those values are fetched in a separate <code>SELECT</code> statement. If
* other fields are requested, a second statement is issued. Client code
* must assure transactional integrity between the two statements.</li>
* </ul>
*
* @return The returned values as specified by any of the
* {@link #setReturning()} methods. Note:
* <ul>
* <li>Not all databases / JDBC drivers support returning several
* values on multi-row inserts!</li><li>This may return an empty
* <code>Result</code> in case jOOQ could not retrieve any generated
* keys from the JDBC driver.</li>
* </ul>
*/
@Support
Result<R> getReturnedRecords();
}