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https://issues.apache.org/jira/browse/DRILL-6888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16713513#comment-16713513
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ASF GitHub Bot commented on DRILL-6888:
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Ben-Zvi commented on issue #1569: DRILL-6888: Move nested classes outside
HashAggTemplate to allow for plain java compile option
URL: https://github.com/apache/drill/pull/1569#issuecomment-445428384
Note that the first nested class is static, and the other is not. After
extracting the first static one, the code generation still failed. I'll
recreate these and add the generated code to the Jira.
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> Nested classes in HashAggTemplate break the plain Java for debugging codegen
> ----------------------------------------------------------------------------
>
> Key: DRILL-6888
> URL: https://issues.apache.org/jira/browse/DRILL-6888
> Project: Apache Drill
> Issue Type: Improvement
> Components: Execution - Relational Operators
> Affects Versions: 1.14.0
> Reporter: Boaz Ben-Zvi
> Assignee: Boaz Ben-Zvi
> Priority: Minor
>
> The *prefer_plain_java* compile option is useful for debugging of generated
> code.
> DRILL-6719 ("separate spilling logic for Hash Agg") introduced two nested
> classes into the HashAggTemplate class. However those nested classes cause
> the prefer_plain_java compile option to fail when compiling the generated
> code, like:
> {code:java}
> Error: SYSTEM ERROR: CompileException: File
> '/tmp/janino5709636998794673307.java', Line 36, Column 35: No applicable
> constructor/method found for actual parameters
> "org.apache.drill.exec.test.generated.HashAggregatorGen11$HashAggSpilledPartition";
> candidates are: "protected
> org.apache.drill.exec.physical.impl.aggregate.HashAggTemplate$BatchHolder
> org.apache.drill.exec.physical.impl.aggregate.HashAggTemplate.injectMembers(org.apache.drill.exec.physical.impl.aggregate.HashAggTemplate$BatchHolder)"
> {code}
> +The proposed fix+: Move those nested classes outside HashAgTemplate.
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