- Patch #301798 by Josh Waihi: remove some legacy data type and function mapping for PostgreSQL.

includes/database/pgsql/install.inc

@@ -84,14 +84,6 @@ class DatabaseTasks_pgsql extends DatabaseTasks {
           LANGUAGE \'sql\''
         );
       }
-      db_query('CREATE OR REPLACE FUNCTION "if"(boolean, text, text) RETURNS text AS
-        \'SELECT CASE WHEN $1 THEN $2 ELSE $3 END;\'
-        LANGUAGE \'sql\''
-      );
-      db_query('CREATE OR REPLACE FUNCTION "if"(boolean, integer, integer) RETURNS integer AS
-        \'SELECT CASE WHEN $1 THEN $2 ELSE $3 END;\'
-        LANGUAGE \'sql\''
-      );
 
       db_query('CREATE OR REPLACE FUNCTION "substring_index"(text, text, integer) RETURNS text AS
         \'SELECT array_to_string((string_to_array($1, $2)) [1:$3], $2);\'