Insert Trigger

I cannot touch the inline SQL in an application - but need to check a value on insert and perform a case statement against a value - basically an ISNULL around one of the values - how do I check a value on INSERT and if = X then...
tbaseflugAsked:
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momi_sabagCommented:
create trigger my_Trigger on myTable for insert as

update t1
set colToChange= isnull(T2.colToChange, default_value)
from myTable t1
 join inserted t2 on t1.id = t2.id
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rob_farleyCommented:
Depending on more details about the problem, I'd try to work it into a computed column instead of a trigger. Triggers can be notorious for locking, etc.

Are you saying that you want to change a particular value to record when a value was changed in a certain way, or just that you want a particular column to reflect the result of an ISNULL? If it's the latter, then a computed column is definitely the way to go.

Rob
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Microsoft SQL Server 2005

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