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edit-existing-functions.md

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Edit Existing Functions

In the psql console, use \ef with the name of a function to fetch and open the definition of the function. The function will be opened in your system $EDITOR in the form of a create or replace function query.

Executing

> \ef now

will open the following in your default editor

CREATE OR REPLACE FUNCTION pg_catalog.now()
 RETURNS timestamp with time zone
 LANGUAGE internal
 STABLE STRICT
AS $function$now$function$