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ARRAY_APPEND (|| operator)

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

The ARRAY_APPEND function allows for concatenating an element to the end of an array (see also ARRAY_PREPEND and ARRAY_CONCAT):

SELECT ARRAY[1, 2] || 3
create.select(arrayAppend(array(1, 2), 3)).fetch();

The result would look like this:

| array_append |
| [1, 2, 3]    |

Dialect support

This example using jOOQ:

arrayAppend(array(1, 2), 3)

Translates to the following dialect specific expressions:

Aurora Postgres, CockroachDB, DuckDB, Postgres, YugabyteDB

  ARRAY[1, 2],


  ARRAY(1, 2),

H2, HSQLDB, Trino

(ARRAY[1, 2] || ARRAY[3])

ASE, Access, Aurora MySQL, BigQuery, DB2, Derby, Exasol, Firebird, Hana, Informix, MariaDB, MemSQL, MySQL, Oracle, Redshift, SQLDataWarehouse, SQLServer, SQLite, Snowflake, Sybase, Teradata, Vertica

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