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Mass Update on Table with Trigger

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  #1 (permalink)  
Old 03-01-2008, 02:24 PM
paulmac106@gmail.com
 
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Default Mass Update on Table with Trigger

Hi,

I need to update a field in about 20 records on a table. The table has
an update trigger (which updates the [lastedited] field whenever a
record is updated). As a result I'm getting an error: "Subquery
returned more than 1 value.", and the update fails.

Is there a way in the stored procedure to handle this issue?

thanks for your help.

Paul

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  #2 (permalink)  
Old 03-01-2008, 02:24 PM
Marcin A. Guzowski
 
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Default Re: Mass Update on Table with Trigger

paulmac106@gmail.com wrote:
> Hi,
>
> I need to update a field in about 20 records on a table. The table has
> an update trigger (which updates the [lastedited] field whenever a
> record is updated). As a result I'm getting an error: "Subquery
> returned more than 1 value.", and the update fails.
>
> Is there a way in the stored procedure to handle this issue?


That's not an issue - it's pure ignorance. Probably someone assumed,
that only one record can be updated at a time. Trigger logic (if the
trigger is causing this error) must be changed to handle true set-based
operations.

--
Best regards,
Marcin Guzowski
http://guzowski.info
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  #3 (permalink)  
Old 03-01-2008, 02:24 PM
Erland Sommarskog
 
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Default Re: Mass Update on Table with Trigger

(paulmac106@gmail.com) writes:
> I need to update a field in about 20 records on a table. The table has
> an update trigger (which updates the [lastedited] field whenever a
> record is updated). As a result I'm getting an error: "Subquery
> returned more than 1 value.", and the update fails.
>
> Is there a way in the stored procedure to handle this issue?


If you are not able to correct the trigger, you will have to run a
cursor to updaet one row at a time. But obviously that should be a very
last resort.


--
Erland Sommarskog, SQL Server MVP, esquel@sommarskog.se

Books Online for SQL Server 2005 at
http://www.microsoft.com/technet/pro...ads/books.mspx
Books Online for SQL Server 2000 at
http://www.microsoft.com/sql/prodinf...ons/books.mspx
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