54.3. pg_available_extension_versions

The pg_available_extension_versions view lists the specific extension versions that are available for installation. See also the pg_extension catalog, which shows the extensions currently installed.

Table 54.3. pg_available_extension_versions Columns

Column Type


name name

Extension name

version text

Version name

installed bool

True if this version of this extension is currently installed

superuser bool

True if only superusers are allowed to install this extension (but see trusted )

trusted bool

True if the extension can be installed by non-superusers with appropriate privileges

relocatable bool

True if extension can be relocated to another schema

schema name

Name of the schema that the extension must be installed into, or NULL if partially or fully relocatable

requires name[]

Names of prerequisite extensions, or NULL if none

comment text

Comment string from the extension's control file

The pg_available_extension_versions view is read-only.