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https://issues.apache.org/jira/browse/CALCITE-4337?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17427866#comment-17427866
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Julian Hyde commented on CALCITE-4337:
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I find this feature easier to understand via syntax. Therefore I propose that
we should implement this via changes to the DDL parser in the {{server}}
module, including parser changes in {server/.../config.fmpp}} and adding tests
to {{ServerParserTest.java}}. What do you think?
> Support PARTITION BY clause in table function call
> --------------------------------------------------
>
> Key: CALCITE-4337
> URL: https://issues.apache.org/jira/browse/CALCITE-4337
> Project: Calcite
> Issue Type: New Feature
> Components: core
> Affects Versions: 1.26.0
> Reporter: Danny Chen
> Assignee: Danny Chen
> Priority: Major
> Labels: pull-request-available
> Attachments: image-2021-09-30-11-04-33-474.png,
> image-2021-09-30-11-05-12-400.png, image-2021-09-30-11-05-42-033.png
>
> Time Spent: 1h 40m
> Remaining Estimate: 0h
>
> An example from the SQL standard 2016 Polymorphic Table Functions:
> {code:sql}
> SELECT W.wstart, W.wend, OI.customer, SUM(OI.price)
> FROM TABLE(SESSION(
> data => TABLE(order_item) AS OI PARTITION BY customer,
> timecol => DESCRIPTOR(order_time),
> timeout => INTERVAL '10' MINUTE)) W
> GROUP BY 1, 2, 3
> {code}
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