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Posted to torque-dev@db.apache.org by "Martin Tilsted (JIRA)" <ji...@apache.org> on 2014/07/25 16:21:38 UTC

[jira] [Created] (TORQUE-321) Wrong optimization of iLike without wildcards

Martin Tilsted created TORQUE-321:
-------------------------------------

             Summary: Wrong optimization of iLike without wildcards 
                 Key: TORQUE-321
                 URL: https://issues.apache.org/jira/browse/TORQUE-321
             Project: Torque
          Issue Type: Bug
          Components: Runtime
    Affects Versions: 4.0
         Environment: Using java 8 and Postgresql 9.3.4.
            Reporter: Martin Tilsted


Torque transform a criteria with SqlEnum.ILIKE to a simple compare using(=) if the string it searches for don't contain any wildcards.

But this optimization is not valid, because ILIKE also does a case insensitive compare. This bug causes ILIKE to behave like LIKE when not using any wildcards.  

Example code:
Criteria c=new Criteria();
c.and(VoucherinstancePeer.CODE,"myCode",SqlEnum.ILIKE);
log.debug("Got criteria=" + c);
c=new Criteria();
c.and(VoucherinstancePeer.CODE,"myCode%",SqlEnum.ILIKE);
log.debug("Got criteria=" + c);

Gives this output:

DEBUG - Got criteria=Criteria: Current Query SQL (may not be complete or applicable): SELECT  FROM voucherInstance WHERE voucherInstance.code=? Replacements: [myCode]

DEBUG  - Got criteria=Criteria: Current Query SQL (may not be complete or applicable): SELECT  FROM voucherInstance WHERE voucherInstance.code ILIKE ? Replacements: [myCode%]

where the invalid transformation can be seen.



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