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5
votes
1
answer
1k
views
How can I improve the performance of where clause with LIKE %abc?
,a.Logical_Path
,a.lvl
,CAST(SUBSTRING(a.Security_Level, 21, 1) AS TINYINT)
FROM Doc_ACL_Detail_D a
WHERE a.UserId = @I_vUserId
AND @I_vParentId = 0
OR (Logical_Path LIKE … (CASE
WHEN @I_vParentId>0 THEN '%-'+LTRIM(STR(@I_vParentId))
END)
OR Logical_Path LIKE(CASE
WHEN @I_vParentId>0 …