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Posted to issues@drill.apache.org by "Mehant Baid (JIRA)" <ji...@apache.org> on 2015/04/18 23:38:58 UTC

[jira] [Created] (DRILL-2824) Function resolution should be deterministic

Mehant Baid created DRILL-2824:
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             Summary: Function resolution should be deterministic
                 Key: DRILL-2824
                 URL: https://issues.apache.org/jira/browse/DRILL-2824
             Project: Apache Drill
          Issue Type: Bug
            Reporter: Mehant Baid
            Assignee: Mehant Baid
            Priority: Critical
             Fix For: 1.0.0


Currently as part of function resolution we cost all the possible function matches and pick the one with the best cost. However we simply pick the first one with the best cost, there may be a possibility that we have multiple functions that could have the same best cost and based on which function was first in the map we will execute different functions on different clusters. This JIRA aims to resolve functions in a deterministic way so we pick the same function consistently. 



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