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Posted to issues@calcite.apache.org by "jingzhang (JIRA)" <ji...@apache.org> on 2018/02/28 02:41:00 UTC

[jira] [Created] (CALCITE-2196) Update codeGen of metadataHandler in JaninoRelMetadataProvider to include Class definition at begin of dynamic code.

jingzhang created CALCITE-2196:
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             Summary: Update codeGen of metadataHandler in JaninoRelMetadataProvider to include Class definition at begin of dynamic code.
                 Key: CALCITE-2196
                 URL: https://issues.apache.org/jira/browse/CALCITE-2196
             Project: Calcite
          Issue Type: Bug
          Components: core
            Reporter: jingzhang
            Assignee: Julian Hyde


JaninoRelMetadataProvider uses IClassBodyEvaluator to compile generated code.  The generated classes can not be debugged in interactively using Idea using the method referenced by http://janino-compiler.github.io/janino/ because generated code only contains classBody. 
If using ISimpleCompiler to compile complete compile unit instead of classBody, we could step into the code.



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