How about this?
SELECT [Columns]
FROM Test1 T1
INNER JOIN Test2 T2 ON T1.ID = T2.ID
WHERE CASE @p_flag
WHEN 1 THEN moveFlag = 26
ELSE moveFlag > 26 OR moveFlag < 26
END
Notice I modified the second predicate to two portions. This is to allow any index on moveFlag to be a seek instead of a scan.
_______________________________________________________________
Need help? Help us help you.
Read the article at http://www.sqlservercentral.com/articles/Best+Practices/61537/ for best practices on asking questions.
Need to split a string? Try Jeff Modens splitter http://www.sqlservercentral.com/articles/Tally+Table/72993/.
Cross Tabs and Pivots, Part 1 – Converting Rows to Columns - http://www.sqlservercentral.com/articles/T-SQL/63681/
Cross Tabs and Pivots, Part 2 - Dynamic Cross Tabs - http://www.sqlservercentral.com/articles/Crosstab/65048/
Understanding and Using APPLY (Part 1) - http://www.sqlservercentral.com/articles/APPLY/69953/
Understanding and Using APPLY (Part 2) - http://www.sqlservercentral.com/articles/APPLY/69954/