Re: How to Raise Error ?
Hi!
this is currently not possible in a clean way. Proper support for raising errors is added in 6.1 (alpha - development tree)
You can work around it by causing a runtime error in some other way. If your table has some not nullable columns, the easiest way is to set those to NULL in case you detect invalid input. If you do that in the BEFORE trigger, the trigger will fail due to the NOT NULL constraint violation.
Of course, its ugly because the client cannot discern between a real NOT NULL violation and this deliberate action. You can work around that by setting a user-defined variable to indicate what really happened.
I know it is ugly but this is unfortunately the best you can do atm.
regards,
Roland.
Roland Bouman
http://rpbouman.blogspot.com/
Subject
Views
Written By
Posted
25707
November 17, 2005 04:00AM
16941
November 17, 2005 06:58AM
23918
November 19, 2005 08:53AM
14737
February 23, 2006 02:28AM
11001
February 23, 2006 04:42AM
15733
February 24, 2006 08:28AM
8674
February 24, 2006 10:15AM
6446
February 24, 2006 12:42PM
8109
February 27, 2006 08:56AM
6861
February 27, 2006 11:27AM
19075
February 28, 2006 05:22AM
6776
December 20, 2006 03:34AM
4251
November 18, 2008 08:28AM
Re: How to Raise Error ?
4944
November 18, 2008 12:45PM
6437
December 19, 2006 11:00AM
5164
December 19, 2006 02:35PM
6433
December 19, 2006 07:53PM
4580
December 20, 2006 03:37AM
4807
December 19, 2006 11:01AM
5686
November 24, 2006 05:32AM
4648
November 24, 2006 07:02AM
3787
December 23, 2008 06:08AM
11560
February 25, 2006 11:48PM
8474
April 06, 2007 02:42AM
5880
April 06, 2007 05:16AM
5137
December 19, 2007 04:24AM
4153
December 24, 2008 01:02PM
4924
December 19, 2007 03:59AM
4841
December 19, 2007 05:09AM
3669
November 18, 2008 08:25AM
4063
November 18, 2008 12:49PM
6218
December 19, 2007 04:46AM