Anyone know what the barrier function does?
Code: Select all
dbadmin=> \df barrier
List of functions
procedure_name | procedure_return_type | procedure_argument_types
----------------+-----------------------+--------------------------
barrier | Varchar | Varchar, Varchar
(1 row)
Code: Select all
dbadmin=> select barrier('becky', 'becky');
barrier
---------
becky
(1 row)
dbadmin=> select barrier('becky', 'david');
barrier
---------
david
(1 row)
dbadmin=> select barrier('david', 'becky');
barrier
---------
becky
(1 row)