New versions: Dev (3.15) | Latest (3.14) | 3.13 | 3.12 | 3.11 | 3.10 | 3.9 | 3.8 | Old versions: 3.7 | 3.6 | 3.5 | 3.4 | 3.3

COALESCE

Applies to ✅ Open Source Edition   ✅ Express Edition   ✅ Professional Edition   ✅ Enterprise Edition

The COALESCE() function produces the first non-NULL value from the variadic list of arguments.

SELECT coalesce(null, null, 1);
create.select(coalesce(null, null, 1)).fetch();

The result being

+----------+
| coalesce |
+----------+
|        1 |
+----------+

Dialect support

This example using jOOQ:

coalesce(null, null, 1)

Translates to the following dialect specific expressions:

-- ACCESS, ASE, AURORA_MYSQL, AURORA_POSTGRES, BIGQUERY, COCKROACHDB, CUBRID, DB2, DERBY, EXASOL, FIREBIRD, H2, HANA, HSQLDB, 
-- IGNITE, INGRES, MARIADB, MEMSQL, MYSQL, ORACLE, POSTGRES, REDSHIFT, SNOWFLAKE, SQLDATAWAREHOUSE, SQLITE, SQLSERVER, SYBASE, 
-- TERADATA, VERTICA
coalesce(NULL, NULL, 1)

-- INFORMIX
nvl(nvl(NULL, NULL), 1)

(These are currently generated with jOOQ 3.15, see #10141)

Feedback

Do you have any feedback about this page? We'd love to hear it!

The jOOQ Logo