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https://issues.apache.org/jira/browse/CALCITE-2741?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16721588#comment-16721588
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Stamatis Zampetakis commented on CALCITE-2741:
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I know that Hive is using Calcite internally to optimize the queries and
provide additional querying capabilities. You are proposing some extensions to
the core calcite module in order to support Hive SQL but I don't clearly see
the benefit. If the user wants to run Hive queries why not use Hive directly?
> extend the native enummerable implemention of calcite to support Hive SQL
> ---------------------------------------------------------------------------
>
> Key: CALCITE-2741
> URL: https://issues.apache.org/jira/browse/CALCITE-2741
> Project: Calcite
> Issue Type: New Feature
> Components: core
> Reporter: Lai Zhou
> Assignee: Julian Hyde
> Priority: Minor
>
> [~julianhyde],
> I extended the native enummerable implemention of calcite to support Hive sql
> ,include UDF、UDAF and all the SqlSpecialOperator,which inspired by apache
> Drills.
> I modified the parser,type systems,and bridge the hive operator .
> How do you think of supporting a direct implemention of hive sql like this?
> I think it will be valueable when someone want to migrate his hive etl jobs
> to real-time scene.
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