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SQL Server 2005
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custom error message on check constraint.
custom error message on check constraint.
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keil.asta
keil.asta
Posted Saturday, July 18, 2009 11:39 AM
SSC Rookie
Group: General Forum Members
Last Login: Monday, November 16, 2009 1:34 PM
Points: 35,
Visits: 55
Hi, I'm just wonder what is the best way or is it even possible to have a customer error message for a simple check constraint such as.
ALTER TABLE tblJobsCL
ADD CONSTRAINT CK_PlannedEndDate_2
CHECK (PlannedEndDate >= PlannedStartDate)
All the error message handling can I find in my books or online seem to be for triggers.
Thank for your help
Asta
Post #755326
GilaMonster
GilaMonster
Posted Saturday, July 18, 2009 11:46 AM
SSC-Dedicated
Group: General Forum Members
Last Login: Today @ 4:30 AM
Points: 37,742,
Visits: 30,021
You can't put a custom error in a check constraint.
Two options.
1) (recommended)
Use a check constraint, have the front end app handle the error and produce whatever custom error that you want
2) use a trigger.
Gail Shaw
Microsoft Certified Master: SQL Server 2008, MVP
SQL In The Wild
: Discussions on DB performance with occasional diversions into recoverability
We walk in the dark places no others will enter
We stand on the bridge and no one may pass
Post #755329
keil.asta
keil.asta
Posted Saturday, July 18, 2009 11:50 AM
SSC Rookie
Group: General Forum Members
Last Login: Monday, November 16, 2009 1:34 PM
Points: 35,
Visits: 55
Thanks, glad I asked, saves me looking for something that does not exist.
Asta
Post #755332
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