Available in versions: Dev (3.21) | Latest (3.20) | 3.19 | 3.18 | 3.17 | 3.16 | 3.15 | 3.14 | 3.13 | 3.12 | 3.11
Ordering and NULLS
Applies to ✅ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
A few databases support the SQL standard "null ordering" clause in sort specification lists, to define whether NULL values should come first or last in an ordered result.
SELECT
AUTHOR.FIRST_NAME,
AUTHOR.LAST_NAME
FROM AUTHOR
ORDER BY LAST_NAME ASC,
FIRST_NAME ASC NULLS LAST
create.select(
AUTHOR.FIRST_NAME,
AUTHOR.LAST_NAME)
.from(AUTHOR)
.orderBy(AUTHOR.LAST_NAME.asc(),
AUTHOR.FIRST_NAME.asc().nullsLast())
.fetch();
If your database doesn't support this syntax, jOOQ emulates it using a CASE expression
Dialect support
This example using jOOQ:
select(AUTHOR.FIRST_NAME).from(AUTHOR).orderBy(AUTHOR.FIRST_NAME.asc().nullsLast())
Translates to the following dialect specific expressions:
Access, SQLServer
SELECT AUTHOR.FIRST_NAME FROM AUTHOR ORDER BY iif(AUTHOR.FIRST_NAME IS NOT NULL, 0, 1), AUTHOR.FIRST_NAME ASC
ASE, Aurora MySQL, MemSQL, MySQL, SQLDataWarehouse, Sybase
SELECT AUTHOR.FIRST_NAME FROM AUTHOR ORDER BY CASE WHEN AUTHOR.FIRST_NAME IS NOT NULL THEN 0 ELSE 1 END, AUTHOR.FIRST_NAME ASC
Aurora Postgres, BigQuery, ClickHouse, CockroachDB, Databricks, Derby, DuckDB, Exasol, Firebird, H2, HSQLDB, Hana, Informix, Oracle, Postgres, SQLite, Snowflake, Teradata, Trino, YugabyteDB
SELECT AUTHOR.FIRST_NAME FROM AUTHOR ORDER BY AUTHOR.FIRST_NAME ASC NULLS LAST
DB2, MariaDB, Redshift, Vertica
SELECT AUTHOR.FIRST_NAME FROM AUTHOR ORDER BY nvl2(AUTHOR.FIRST_NAME, 0, 1), AUTHOR.FIRST_NAME ASC
Generated with jOOQ 3.21. Support in older jOOQ versions may differ. Translate your own SQL on our website
Feedback
Do you have any feedback about this page? We'd love to hear it!