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Posted to issues@calcite.apache.org by "Julian Hyde (JIRA)" <ji...@apache.org> on 2018/02/28 03:06:03 UTC
[jira] [Commented] (CALCITE-2196) Update codeGen of metadataHandler
in JaninoRelMetadataProvider to include Class definition at begin of
dynamic code.
[ https://issues.apache.org/jira/browse/CALCITE-2196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16379713#comment-16379713 ]
Julian Hyde commented on CALCITE-2196:
--------------------------------------
That would be cool. I didn't know that Intellij was smart enough to debug generated code.
> 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
> Priority: Trivial
>
> 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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