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https://issues.apache.org/jira/browse/DRILL-5116?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15806449#comment-15806449
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ASF GitHub Bot commented on DRILL-5116:
---------------------------------------
Github user jinfengni commented on a diff in the pull request:
https://github.com/apache/drill/pull/716#discussion_r95047940
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/compile/ClassBuilder.java ---
@@ -64,36 +67,33 @@
* local variables. Have fun!</li>
* </ul>
* <p>
- * Note: not all generated code is ready to be compiled as plain-old
- * Java. Some classes omit from the template the proper <code>throws</code>
- * declarations. Other minor problems may also crop up. All are easy
- * to fix. Once you've done so, add the following to mark that you've
- * done the clean-up:<pre>
- * cg.plainOldJavaCapable(true); // Class supports plain-old Java</pre>
+ * Most generated classes have been upgraded to support Plain-old Java
--- End diff --
Do all drill operators support POJ class with this patch (the comment said
"most")? If not, please list the one not supported in the comment.
> Enable generated code debugging in each Drill operator
> ------------------------------------------------------
>
> Key: DRILL-5116
> URL: https://issues.apache.org/jira/browse/DRILL-5116
> Project: Apache Drill
> Issue Type: Improvement
> Affects Versions: 1.9.0
> Reporter: Paul Rogers
> Assignee: Paul Rogers
> Priority: Minor
> Labels: ready-to-commit
>
> DRILL-5052 adds the ability to debug generated code. Some of the code
> generated by Drill's operators has minor problems when compiled directly
> using the new technique. These issues are ignore by the byte-code-merge
> technique uses in production. This ticket asks to try the DRILL-5052 feature
> in each operator, clean up any minor problems, and ensure each operator
> generates code suitable for debugging. Use the new
> {{CodeGenerator.plainOldJavaCapable()}} method to mark each generated class
> as ready for "plain-old Java" code gen.
> The advantages of this feature are two:
> 1. Ability to step through the generated code to increase understanding of
> existing operators and to ease development of improvements to existing
> operators and of any new operators we choose to create.
> 2. Open the door to experimenting with how to improve performance of the
> generated code.
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