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Posted to issues@drill.apache.org by "Jacques Nadeau (JIRA)" <ji...@apache.org> on 2014/09/08 19:52:28 UTC

[jira] [Created] (DRILL-1383) Allow interpreted tree materialization

Jacques Nadeau created DRILL-1383:
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             Summary: Allow interpreted tree materialization
                 Key: DRILL-1383
                 URL: https://issues.apache.org/jira/browse/DRILL-1383
             Project: Apache Drill
          Issue Type: Improvement
          Components: Execution - Codegen
            Reporter: Jacques Nadeau
            Assignee: Jinfeng Ni


The current code generation paradigm requires an expression tree to be compiled before it can be evaluated.  This can be time intensive and complex when we need to evaluate an expression only a small number of times.  We should provide a new interface that avoids code generation for evaluation of a particular expression.



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