ALTER_LANGUAGE - change the definition of a procedural language
ALTER [ PROCEDURAL ] LANGUAGE name RENAME TO new_name
ALTER [ PROCEDURAL ] LANGUAGE name OWNER TO { new_owner | CURRENT_ROLE | CURRENT_USER | SESSION_USER }
ALTER LANGUAGE changes the definition of a procedural language. The only functionality is to rename the language or assign a new owner. You must be superuser or owner of the language to use ALTER LANGUAGE.
name
Name of a language
new_name
The new name of the language
new_owner
The new owner of the language
There is no ALTER LANGUAGE statement in the SQL standard.
CREATE LANGUAGE (CREATE_LANGUAGE(7)), DROP LANGUAGE (DROP_LANGUAGE(7))