pg_language

lanname

name

 — 

Name of the language

lanowner

oid

pg_authid.oid

Owner of the language

lanispl

boolean

 — 

This is false for internal languages (such as SQL) and true for user-defined languages. Currently, pg_dump still uses this to determine which languages need to be dumped, but this may be replaced by a different mechanism in the future

lanpltrusted

boolean

 — 

true if this is a trusted language, which means that it is believed not to grant access to anything outside the normal SQL execution environment. Only superusers may create functions in untrusted languages

lanplcallfoid

oid

pg_proc.oid

For noninternal languages this references the language handler, which is a special function that is responsible for running all functions that are written in the particular language

laninline

oid

pg_proc.oid

This references a function that is responsible for running inline anonymous code blocks (the DO command). 0 if anonymous blocks are not supported

lanvalidator

oid

pg_proc.oid

This references a language validator function that is responsible for checking the syntax and validity of new functions when they are created. 0 if no validator is provided

lanacl

aclitem[]

 — 

Access privileges for the language (see Roles and privileges)