Querying a custom postgresql parameter with SELECT statement
Use the function current_setting()
SELECT current_setting('abc.my_var');
http://www.postgresql.org/docs/current/static/functions-admin.html#FUNCTIONS-ADMIN-SET
Use the function current_setting()
SELECT current_setting('abc.my_var');
http://www.postgresql.org/docs/current/static/functions-admin.html#FUNCTIONS-ADMIN-SET