RE: Wrong results. 10053 event help

Are you using CURSOR_SHARING=FORCE? There's a bug fixed in 8.1.7.3 or 8.1.7.4 just like this if this is the case. The workaround is to set CURSOR_SHARING=EXACT for the query in question. The solution is to patch.

Rich

Rich Jesse                        System/Database Administrator
rich.jesse_at_qtiworld.com           Quad/Tech International, Sussex, WI USA

-----Original Message-----
Sent: Thursday, April 17, 2003 2:47 PM
To: Multiple recipients of list ORACLE-L

Well I am very lucky today.

After cloning a 8.1.7 db I found a query would return diff results with and without cbo or by changing the sequence of expr in the where clause. Can anyone help me understand the 10053 trace output before apply 8.1.7.4 patch and remove this bug.

Case 1: with cbo and all analyzed, return zero rows. Wrong Result.

SELECT "USER_OR_TEAM_ID",


       "ID_TYPE",

       "ITEM_TYPE",

       "ITEM1_ID",

       "ITEM2_ID",

       "ITEM3_ID",

       "ITEM4_ID",

       "ITEM5_ID",

       "ITEM6_ID",

       "PRV",

       "GRANT_DENY_FLAG"

  FROM acl
 WHERE (
       (id_type = 1 AND   user_or_team_id IN (SELECT user_id FROM
my_user_id)) 
                 or
       (id_type = 2 AND user_or_team_id IN (SELECT team_id FROM
my_team))       
       )

[snipped for brevity]

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Author: Jesse, Rich
  INET: Rich.Jesse_at_qtiworld.com

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