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https://issues.apache.org/jira/browse/CALCITE-5512?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17685988#comment-17685988
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Julian Hyde commented on CALCITE-5512:
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We would welcome such a contribution. Can you describe the scope of your
proposed contribution? Would it include changes to the parser, the AST format,
the validator, relational algebra? Would I be able to execute queries that use
this syntax?
> FOR SYSTEM_VERSION AS OF
> -------------------------
>
> Key: CALCITE-5512
> URL: https://issues.apache.org/jira/browse/CALCITE-5512
> Project: Calcite
> Issue Type: Wish
> Components: core
> Reporter: YangFei
> Priority: Major
>
> hive support FOR SYSTEM_VERSION AS OF/FOR SYSTEM_TIME AS OF， if Calcite need
> to support FOR SYSTEM_VERSION AS OF
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