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Posted to dev@phoenix.apache.org by "James Taylor (JIRA)" <ji...@apache.org> on 2014/08/26 18:23:59 UTC

[jira] [Created] (PHOENIX-1211) Use skip scan when row value constructor uses leading row key columns

James Taylor created PHOENIX-1211:
-------------------------------------

             Summary: Use skip scan when row value constructor uses leading row key columns 
                 Key: PHOENIX-1211
                 URL: https://issues.apache.org/jira/browse/PHOENIX-1211
             Project: Phoenix
          Issue Type: Bug
            Reporter: James Taylor


We currently only use a skip scan for a row value constructor equality or in list expression is fully qualified. We can fairly easily use it when only some of the leading pk columns are used.

For example:
{code}
WHERE (a,b) IN ((1,2),(3,4))
{code}
If the PK is (a,b,c), we can still use a skip scan. We need to pass through the slotSpan array in this case too, to the SkipScanFilter.




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