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STATISTICS IO ON ON ON UDF

  • May 24, 2010 at 10:55 pm

    #387003

    All,

    I tried to see IO cost for a function. I ran the function like

    SET STATISTICS IO ON

    SELECT dbo.fngetstrategy('A3_Fund',NULL)

    But it didn't show any IO details.

    I tried to include it inside the function. But this time i got some error message.

    Msg 443, Level 16, State 15, Procedure fnGetStrategyId_k, Line 9

    Invalid use of side-effecting or time-dependent operator in 'SET STATUS ON' within a function.

    how to see the IO cost for a function?

    karthik

  • May 24, 2010 at 11:38 pm

    #1171851

    http://sqlinthewild.co.za/index.php/2009/04/29/functions-io-statistics-and-the-execution-plan/

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    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

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