postgresql-contrib
[root@dbdocs pgsql]# rpm -q postgresql-contrib package postgresql-contrib is not installed
[root@dbdocs pgsql]# yum install postgresql-contrib
[postgres@dbdocs ~]$ psql -h 127.0.0.1 -U postgres -d dbdocs Password for user postgres: psql (15.2) Type "help" for help. dbdocs=#
dbdocs=# \dx List of installed extensions Name | Version | Schema | Description ---------+---------+------------+------------------------------ plpgsql | 1.0 | pg_catalog | PL/pgSQL procedural language (1 row) dbdocs=# CREATE EXTENSION IF NOT EXISTS pg_trgm; CREATE EXTENSION dbdocs=# \dx List of installed extensions Name | Version | Schema | Description ---------+---------+------------+------------------------------------------------------------------- pg_trgm | 1.6 | public | text similarity measurement and index searching based on trigrams plpgsql | 1.0 | pg_catalog | PL/pgSQL procedural language (2 rows) dbdocs=#
pg_trgm
CREATE EXTENSION [ IF NOT EXISTS ] extension_name [ WITH ] [ SCHEMA schema_name ] [ VERSION version ] [ CASCADE ]
non-trusted
CREATE
CREATE EXTENSION
DROP EXTENSION