postgres

History

PostgreSQL Daemon 969685ad44 $Header: -> $PostgreSQL Changes ...		22 years ago
..
Makefile	$Header: -> $PostgreSQL Changes ...	22 years ago
README.noup	Add missing /contrib files	26 years ago
noup.c	Error message editing in contrib (mostly by Joe Conway --- thanks Joe!)	22 years ago
noup.sql.in	Backend support for autocommit removed, per recent discussions. The	23 years ago

README.noup



noupdate
~~~~~~~~

 - trigger to prevent updates on single columns.


Example:
~~~~~~~

CREATE TABLE TEST ( COL1 INT, COL2 INT, COL3 INT );

CREATE TRIGGER BT BEFORE UPDATE ON TEST FOR EACH ROW
	EXECUTE PROCEDURE 
	noup ('COL1');

-- Now Try
INSERT INTO TEST VALUES (10,20,30);
UPDATE TEST SET COL1 = 5;