pg_pltemplate

The pg_pltemplate system catalog table stores template information for procedural languages. A template for a language allows the language to be created in a particular database by a simple CREATE LANGUAGE command, with no need to specify implementation details. Unlike most system catalogs, pg_pltemplate is shared across all databases of Greenplum system: there is only one copy of pg_pltemplate per system, not one per database. This allows the information to be accessible in each database as it is needed.

There are not currently any commands that manipulate procedural language templates; to change the built-in information, a superuser must modify the table using ordinary INSERT, DELETE, or UPDATE commands.

column type references description
tmplname name Name of the language this template is for
tmpltrusted boolean True if language is considered trusted
tmplhandler text Name of call handler function
tmplvalidator text Name of validator function, or NULL if none
tmpllibrary text Path of shared library that implements language
tmplacl aclitem[] Access privileges for template (not yet implemented).

Parent topic: System Catalogs Definitions

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