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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
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