fdiff
Tool to reduce risk for human errors when deploying functions and views in a PostgreSQL database.
USAGE
BEGIN;
-- Temp store state of all views/functions
SELECT fstage();
-- Deploy changes to schema
-- CREATE OR REPLACE FUNCTION ...
-- CREATE OR REPLACE VIEW ...
-- Show a diff of changes made
SELECT fdiff();
-- If the changes are expected, go ahead and commit
COMMIT;
EXAMPLE
$ psql
psql (9.1.9)
Type "help" for help.
amazon=# BEGIN;
BEGIN
amazon=#* select fstage();
fstage
--------
t
(1 row)
amazon=#* \i /Users/joel/schema/public/FUNCTIONS/process_order.sql
SET
CREATE FUNCTION
ALTER FUNCTION
amazon=#* select fdiff();
fdiff
--------------------------------------------------------------------------------------------------------
+
+
+-------------------------------+ +
| Updated or replaced functions | +
+-------------------------------+ +
+
Schema................: public +
Name..................: process_order +
Argument data types...: _orderid bigint +
Result data type......: boolean +
Language..............: plpgsql +
Type..................: normal +
Volatility............: STABLE +
Owner.................: amazon +
20 c OR Orders.ShippingDate IS NOT NULL +
20 c OR Orders.ShippingDate > now() - interval '2 month' +
+
+
+
(1 row)
amazon=#* COMMIT;
COMMIT
INSTALL
./install.sh