troubleshooting Question

Simple IF evaluation mistake in SQL Azure statement

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trs28 asked on
10 Comments2 Solutions91 ViewsLast Modified:
I'm doing something stupid and not evaluating a stored procedure parameter properly in an IF block.    (SQL Azure DB)

Here is the SP ....

ALTER PROCEDURE [dbo].[sp_ControlVariableCC]
      @Enable bit = NULL
        DECLARE @Enable_Msg varchar(max) = 'error message text';

        IF (@Enable <> 0 AND @Enable <> 1) OR @Enable IS NULL
            THROW 90002, @Enable_Msg, 1

This is just fluff SQL to ensure that the user doesn't enter something other than what they're supposed to and to provide a more detailed error message to the user than the system would generate.    If I don't enter in the parameter when calling the SP, it throws properly.   However, if I enter 2 for the parameter, it does not throw as expected.   I know I'm doing something extremely stupid here w/ the comparison logic.   Any help is very much appreciated!
Shaun Kline
Lead Software Engineer

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