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Posted to dev@calcite.apache.org by "Ted Xu (JIRA)" <ji...@apache.org> on 2016/08/02 02:44:20 UTC

[jira] [Created] (CALCITE-1337) Lazy evaluate RexCall digests

Ted Xu created CALCITE-1337:
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             Summary: Lazy evaluate RexCall digests
                 Key: CALCITE-1337
                 URL: https://issues.apache.org/jira/browse/CALCITE-1337
             Project: Calcite
          Issue Type: Improvement
          Components: core
            Reporter: Ted Xu
            Assignee: Julian Hyde
             Fix For: 1.8.0


Currently RexCall compute digests eagerly in its constructor, also, it compute digest every time when toString invoked. It may cause performance issue when the RexCall tree is very large.



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