ALTER LANGUAGE
ALTER LANGUAGE — change the definition of a procedural language
Synopsis
ALTER [ PROCEDURAL ] LANGUAGEnameRENAME TOnew_nameALTER [ PROCEDURAL ] LANGUAGEnameOWNER TO {new_owner| CURRENT_USER | SESSION_USER }
Description
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. 
Parameters
- name
- Name of a language 
- new_name
- The new name of the language 
- new_owner
- The new owner of the language 
Compatibility
 There is no ALTER LANGUAGE statement in the SQL standard.