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INSERT .. ON DUPLICATE KEY IGNORE
Supported by ✅ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
The MySQL database also supports an INSERT IGNORE INTO clause. This is supported by jOOQ using the more convenient SQL syntax variant of ON DUPLICATE KEY IGNORE:
// Add a new author called "Koontz" with ID 3. // If that ID is already present, ignore the INSERT statement create.insertInto(AUTHOR, AUTHOR.ID, AUTHOR.LAST_NAME) .values(3, "Koontz") .onDuplicateKeyIgnore() .execute();
If the underlying database doesn't have any way to "ignore" failing INSERT statements, (e.g. MySQL via INSERT IGNORE), jOOQ can emulate the statement using a MERGE statement, or using INSERT .. SELECT WHERE NOT EXISTS.
The MySQL INSERT IGNORE statement ignores more constraint violations than just duplicate keys, so the emulation isn't exactly equivalent, see #5211 Dialect support
This example using jOOQ:
insertInto(AUTHOR, AUTHOR.ID, AUTHOR.LAST_NAME).values(3, "X").onDuplicateKeyIgnore()
Translates to the following dialect specific expressions:
Access
INSERT INTO AUTHOR (ID, LAST_NAME) SELECT t.v0, t.v1 FROM ( SELECT 3 v0, 'X' v1 FROM ( SELECT count(*) dual FROM MSysResources ) AS dual WHERE NOT EXISTS ( SELECT 1 FROM AUTHOR WHERE AUTHOR.ID = 3 ) ) t
ASE, ClickHouse, SQLDataWarehouse, Trino, Vertica
INSERT INTO AUTHOR (ID, LAST_NAME) SELECT t.v0, t.v1 FROM ( SELECT 3 v0, 'X' v1 WHERE NOT EXISTS ( SELECT 1 FROM AUTHOR WHERE AUTHOR.ID = 3 ) ) t
Aurora MySQL, MariaDB, MySQL
INSERT IGNORE INTO AUTHOR (ID, LAST_NAME) VALUES ( 3, 'X' )
Aurora Postgres, CockroachDB, DuckDB, Postgres, SQLite, YugabyteDB
INSERT INTO AUTHOR (ID, LAST_NAME) VALUES ( 3, 'X' ) ON CONFLICT DO NOTHING
BigQuery
INSERT INTO AUTHOR (ID, LAST_NAME) SELECT t.v0, t.v1 FROM ( SELECT 3 v0, 'X' v1 FROM UNNEST([STRUCT(1 AS dual)]) AS dual WHERE NOT EXISTS ( SELECT 1 FROM AUTHOR WHERE AUTHOR.ID = 3 ) ) t
Databricks, Redshift, Snowflake
MERGE INTO AUTHOR USING ( SELECT 3, 'X' ) t (ID, LAST_NAME) ON AUTHOR.ID = t.ID WHEN NOT MATCHED THEN INSERT (ID, LAST_NAME) VALUES ( t.ID, t.LAST_NAME )
DB2
MERGE INTO AUTHOR USING ( SELECT 3, 'X' FROM SYSIBM.DUAL ) t (ID, LAST_NAME) ON AUTHOR.ID = t.ID WHEN NOT MATCHED THEN INSERT (ID, LAST_NAME) VALUES ( t.ID, t.LAST_NAME )
Derby
MERGE INTO AUTHOR USING SYSIBM.SYSDUMMY1 ON AUTHOR.ID = 3 WHEN NOT MATCHED THEN INSERT (ID, LAST_NAME) VALUES ( 3, 'X' )
Exasol, MemSQL
INSERT INTO AUTHOR (ID, LAST_NAME) SELECT t.v0, t.v1 FROM ( SELECT 3 v0, 'X' v1 FROM DUAL WHERE NOT EXISTS ( SELECT 1 FROM AUTHOR WHERE AUTHOR.ID = 3 ) ) t
Firebird
MERGE INTO AUTHOR USING ( SELECT 3, 'X' FROM RDB$DATABASE ) t (ID, LAST_NAME) ON AUTHOR.ID = t.ID WHEN NOT MATCHED THEN INSERT (ID, LAST_NAME) VALUES ( t.ID, t.LAST_NAME )
H2
MERGE INTO AUTHOR USING ( SELECT 3 ID, 'X' LAST_NAME ) t ON AUTHOR.ID = t.ID WHEN NOT MATCHED THEN INSERT (ID, LAST_NAME) VALUES ( t.ID, t.LAST_NAME )
Hana
MERGE INTO AUTHOR USING ( ( SELECT 3 ID, 'X' LAST_NAME FROM SYS.DUMMY ) ) t ON AUTHOR.ID = t.ID WHEN NOT MATCHED THEN INSERT (ID, LAST_NAME) VALUES ( t.ID, t.LAST_NAME )
HSQLDB
MERGE INTO AUTHOR USING ( SELECT 3, 'X' FROM (VALUES (1)) AS dual (dual) ) t (ID, LAST_NAME) ON AUTHOR.ID = t.ID WHEN NOT MATCHED THEN INSERT (ID, LAST_NAME) VALUES ( t.ID, t.LAST_NAME )
Informix
INSERT INTO AUTHOR (ID, LAST_NAME) SELECT t.v0, t.v1 FROM ( SELECT 3 v0, 'X' v1 FROM ( SELECT 1 AS dual FROM systables WHERE (tabid = 1) ) AS dual WHERE NOT EXISTS ( SELECT 1 FROM AUTHOR WHERE AUTHOR.ID = 3 ) ) t
Oracle
MERGE INTO AUTHOR USING ( ( SELECT 3 ID, 'X' LAST_NAME ) ) t ON (AUTHOR.ID = t.ID) WHEN NOT MATCHED THEN INSERT (ID, LAST_NAME) VALUES ( t.ID, t.LAST_NAME )
Spanner
INSERT OR IGNORE INTO AUTHOR (ID, LAST_NAME) VALUES ( 3, 'X' )
SQLServer
MERGE INTO AUTHOR USING ( SELECT 3, 'X' ) t (ID, LAST_NAME) ON AUTHOR.ID = t.ID WHEN NOT MATCHED THEN INSERT (ID, LAST_NAME) VALUES ( t.ID, t.LAST_NAME );
Sybase
MERGE INTO AUTHOR USING ( SELECT 3, 'X' FROM SYS.DUMMY ) t (ID, LAST_NAME) ON AUTHOR.ID = t.ID WHEN NOT MATCHED THEN INSERT (ID, LAST_NAME) VALUES ( t.ID, t.LAST_NAME )
Teradata
MERGE INTO AUTHOR USING ( SELECT 3, 'X' FROM ( SELECT 1 AS "dual" ) AS "dual" ) t (ID, LAST_NAME) ON AUTHOR.ID = t.ID WHEN NOT MATCHED THEN INSERT (ID, LAST_NAME) VALUES ( t.ID, t.LAST_NAME )
Generated with jOOQ 3.21. Support in older jOOQ versions may differ. Translate your own SQL on our website
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