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From "Graham Collinson (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CAY-1957) Multiple inExp are grouped into one in()
Date Tue, 30 Sep 2014 10:17:34 GMT
Graham Collinson created CAY-1957:
-------------------------------------

             Summary: Multiple inExp are grouped into one in()
                 Key: CAY-1957
                 URL: https://issues.apache.org/jira/browse/CAY-1957
             Project: Cayenne
          Issue Type: Bug
            Reporter: Graham Collinson
            Priority: Minor


If I were to write in sql
Select * from test where a in (1,2,3) and a in (1,2)
 
I’d only get rows where a is 1 or 2.
 
If you do similar with cayenne expressions
 
Expression exp = ExpressionFactory.inExp(COLUMN_A, {set with 1,2,3})
.andExp(ExpressionFactory.inExp(COLUMN_A, {set with 1,2});
 
Then cayenne will turn that into a sql statement like
Select * from test where a in (1,2,3);

Is this expected behaviour?
To work more like SQL it would be better if there were 2 in statements or if it could be optimised
to be in (1,2)



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