head	1.3;
access;
symbols;
locks; strict;
comment	@# @;


1.3
date	2000.06.19.14.07.07;	author momjian;	state dead;
branches;
next	1.2;

1.2
date	2000.06.19.13.53.54;	author momjian;	state Exp;
branches;
next	1.1;

1.1
date	2000.06.15.18.55.04;	author momjian;	state Exp;
branches;
next	;


desc
@@


1.3
log
@Remove old README files.
@
text
@@


1.2
log
@Update to /contrib from Karel.
@
text
@@


1.1
log
@/contrib patch from Karel.
@
text
@a0 20


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;
@

