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https://issues.apache.org/jira/browse/CALCITE-999?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15036344#comment-15036344
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Julian Hyde commented on CALCITE-999:
-------------------------------------
They are nothing more than source/target language levels. Eclipse is choosing
to escalates those language levels to JDK versions, but in fact they can all be
handled by JDK 1.7 or 1.8.
I did some cleanup already on the
https://github.com/julianhyde/calcite/tree/816-sub-query branch. Please see
whether that is sufficient.
I believe that ubenchmark MUST remain at source and target 1.6; [~vlsi] correct
me if I am wrong.
> clean up all module pom.xml
> ---------------------------
>
> Key: CALCITE-999
> URL: https://issues.apache.org/jira/browse/CALCITE-999
> Project: Calcite
> Issue Type: Bug
> Reporter: Sree Vaddi
> Assignee: Julian Hyde
> Attachments: Screen Shot 2015-12-02 at 08.35.45.png
>
>
> - all repository entries should go to parent pom
> - define versions in the parent pom; as possible
> - define plugins in the parent pom; as possible
> - define lifecycles in the parent pom; as possible
> - fix java versions (1.5, 1.6. 1.7 to 1.8)
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