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Conditional Execution of A Procedure


Conditional Execution of A Procedure

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david.chakraborty
david.chakraborty
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I wanted to run a stored proc based on a the following condition

If

Select Count(*) from Table>0
Then
Exec StoredProc
Else Don't Exec

How do I do this? Please help!
JacekO
JacekO
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IF EXISTS (SELECT * FROM table)
EXEC StoredProc

---------------------------------------------
Nothing is impossible.
It is just a matter of time and money.

david.chakraborty
david.chakraborty
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Let me clarify

If the count returns 0 -- I don't run the SP

If count>0 I run the sp

Table will always be there. SP runs when table has data. Doesn't run when table has no data.
JacekO
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Yes, that should work. I assume you call the SP from within another SP.

---------------------------------------------
Nothing is impossible.
It is just a matter of time and money.

david.chakraborty
david.chakraborty
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I added

(Select Count(*) from Table)>0 in the where clause and it seemed to have worked
david.chakraborty
david.chakraborty
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Thanks JacekO
RBarryYoung
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david.chakraborty (4/16/2009)
I added

(Select Count(*) from Table)>0 in the where clause and it seemed to have worked
The EXISTS function is faster.

-- RBarryYoung, (302)375-0451 blog: MovingSQL.com, Twitter: @RBarryYoung
Proactive Performance Solutions, Inc.
"Performance is our middle name."
Jeffrey Williams 3188
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The EXISTS function returns true if there is at least one row returned from the query. Using EXISTS will be faster than a count.

Jeffrey Williams
Problems are opportunities brilliantly disguised as insurmountable obstacles.

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david.chakraborty
david.chakraborty
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Thanks Everyone! I have already made the change.
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