| The jOOQ User Manual : SQL building : Column expressions : Aggregate functions : ARRAY_AGG | previous : next |
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ARRAY_AGG
Applies to ✅ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
The ARRAY_AGG aggregate function aggregates grouped values into an array. It supports being used with an ORDER BY clause.
SELECT array_agg(ID) array_agg(ID ORDER BY ID DESC) FROM BOOK
create.select(
arrayAgg(BOOK.ID),
arrayAgg(BOOK.ID).orderBy(BOOK.ID.desc()))
.from(BOOK)
Producing:
+--------------+--------------+ | array_agg | array_agg | +--------------+--------------+ | [1, 3, 4, 2] | [4, 3, 2, 1] | +--------------+--------------+
Dialect support
This example using jOOQ:
arrayAgg(BOOK.ID)
Translates to the following dialect specific expressions:
-- AURORA_POSTGRES, COCKROACHDB, HSQLDB, POSTGRES array_agg(BOOK.ID) -- ACCESS, ASE, AURORA_MYSQL, DB2, DERBY, FIREBIRD, H2, HANA, INFORMIX, INGRES, MARIADB, MEMSQL, MYSQL, ORACLE, REDSHIFT, -- SQLDATAWAREHOUSE, SQLITE, SQLSERVER, SYBASE, TERADATA, VERTICA /* UNSUPPORTED */
(These are currently generated with jOOQ 3.15, see #10141)
