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making where clause dynamic


making where clause dynamic

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SQL_Surfer
SQL_Surfer
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Group: General Forum Members
Points: 1712 Visits: 1099
Can we make where clause dynamic?

declare @hourly int

if @hourly = 1
--I want the where clause to say
TableA.LoadDateTime >= @TodaysDate
if @hourly = 0
--I want the where clause to say
convert(varchar(8),TableA.LoadDateTime,112) >= convert(varchar(8), @TodaysDate,112)


select col1, col2 from TableA
where TableA.LoadDateTime >= @TodaysDate
SQLRNNR
SQLRNNR
SSC Guru
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Group: General Forum Members
Points: 68321 Visits: 18570
To get a dynamic where clause you would need to use dynamic sql and execute that sql string.

Or you could have both queries and an if else statement. Based on the conditions you provide, either one or the other query will be executed.



Jason AKA CirqueDeSQLeil
I have given a name to my pain...
MCM SQL Server, MVP


SQL RNNR

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Sowbhari
Sowbhari
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Group: General Forum Members
Points: 2206 Visits: 1488
Will this help...

DECLARE @Hourly INT
SELECT @Hourly = 1
SELECT Col1,Col2 FROM TableA
WHERE
(CASE WHEN @Hourly = 1 THEN TableA.LoadDateTime
ELSE CONVERT(VARCHAR(8),TableA.LoadDateTime,112)
END) >=
(CASE WHEN @Hourly = 1 THEN @TodaysDate
ELSE CONVERT(VARCHAR(8),@TodaysDate,112)
END)


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