Available in versions: Dev (3.20) | Latest (3.19) | 3.18 | 3.17 | 3.16 | 3.15 | 3.14 | 3.13 | 3.12 | 3.11 | 3.10

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:

ASE, Access, Aurora MySQL, Aurora Postgres, BigQuery, ClickHouse, CockroachDB, DB2, DuckDB, Exasol, Firebird, H2, HSQLDB, Hana, MariaDB, MemSQL, MySQL, Oracle, Postgres, Redshift, SQLDataWarehouse, SQLServer, SQLite, Snowflake, Sybase, Teradata, Trino, Vertica, YugabyteDB

coalesce(NULL, NULL, 1)

Derby

coalesce(?, ?, 1)

Informix

nvl(
  nvl(
    NULL,
    NULL
  ),
  1
)
Generated with jOOQ 3.20. Translate your own SQL on our website

References to this page

Feedback

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

The jOOQ Logo