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GETUTCDATE() return null


GETUTCDATE() return null

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ali.m.habib
ali.m.habib
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I have trigger after Insert that update field in the table with GETUTCDATE() but after Insertion I see the value = null



SET NOCOUNT ON
UPDATE [dbo].[Employee]
SET [CurrentDate] = GETUTCDATE()
FROM inserted
WHERE inserted.[Id] = [dbo].[Employee].[Id]



Jeff Moden
Jeff Moden
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ali.m.habib (12/18/2013)
I have trigger after Insert that update field in the table with GETUTCDATE() but after Insertion I see the value = null



SET NOCOUNT ON
UPDATE [dbo].[Employee]
SET [CurrentDate] = GETUTCDATE()
FROM inserted
WHERE inserted.[Id] = [dbo].[Employee].[Id]




It appears that none of that code is the actual problem. Please post all of the code for the trigger.

--Jeff Moden

RBAR is pronounced ree-bar and is a Modenism for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
Stop thinking about what you want to do to a row... think, instead, of what you want to do to a column.
If you think its expensive to hire a professional to do the job, wait until you hire an amateur. -- Red Adair

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Jeff Moden
Jeff Moden
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I take that back... that's actually an illegal form of update that will sometimes work and sometimes not. I'll explain more after I see the rest of the code for the trigger.

--Jeff Moden

RBAR is pronounced ree-bar and is a Modenism for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
Stop thinking about what you want to do to a row... think, instead, of what you want to do to a column.
If you think its expensive to hire a professional to do the job, wait until you hire an amateur. -- Red Adair

Helpful Links:
How to post code problems
How to post performance problems
Forum FAQs
dwain.c
dwain.c
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Jeff Moden (12/18/2013)
I take that back... that's actually an illegal form of update that will sometimes work and sometimes not. I'll explain more after I see the rest of the code for the trigger.


I look forward to hearing that explanation.

In the meantime, wouldn't something like this work?


SET NOCOUNT ON
UPDATE a
SET [CurrentDate] = GETUTCDATE()
FROM [dbo].[Employee] a
JOIN inserted b
ON a.[Id] = b.[Id]





My mantra: No loops! No CURSORs! No RBAR! Hoo-uh!

My thought question: Have you ever been told that your query runs too fast?

My advice:
INDEXing a poor-performing query is like putting sugar on cat food. Yeah, it probably tastes better but are you sure you want to eat it?
The path of least resistance can be a slippery slope. Take care that fixing your fixes of fixes doesn't snowball and end up costing you more than fixing the root cause would have in the first place.


Need to UNPIVOT? Why not CROSS APPLY VALUES instead?
Since random numbers are too important to be left to chance, let's generate some!
Learn to understand recursive CTEs by example.
Splitting strings based on patterns can be fast!
My temporal SQL musings: Calendar Tables, an Easter SQL, Time Slots and Self-maintaining, Contiguous Effective Dates in Temporal Tables
Sean Lange
Sean Lange
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Jeff Moden (12/18/2013)
I take that back... that's actually an illegal form of update that will sometimes work and sometimes not. I'll explain more after I see the rest of the code for the trigger.


I was about to make that same comment but noticed you had. ;-) I know what the problem is but I am having a hard time finding the explanation of why it happens.

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Cross Tabs and Pivots, Part 1 – Converting Rows to Columns
Cross Tabs and Pivots, Part 2 - Dynamic Cross Tabs
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ali.m.habib
ali.m.habib
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Jeff Moden (12/18/2013)
I take that back... that's actually an illegal form of update that will sometimes work and sometimes not. I'll explain more after I see the rest of the code for the trigger.
+
this all what the trigger do no more no less
Jeff Moden
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ali.m.habib (12/19/2013)
Jeff Moden (12/18/2013)
I take that back... that's actually an illegal form of update that will sometimes work and sometimes not. I'll explain more after I see the rest of the code for the trigger.
+
this all what the trigger do no more no less


You don't understand. I need to see ALL the trigger code because there are other nuances in a trigger that could be important.

--Jeff Moden

RBAR is pronounced ree-bar and is a Modenism for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
Stop thinking about what you want to do to a row... think, instead, of what you want to do to a column.
If you think its expensive to hire a professional to do the job, wait until you hire an amateur. -- Red Adair

Helpful Links:
How to post code problems
How to post performance problems
Forum FAQs
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