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https://issues.apache.org/jira/browse/FLINK-23313?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17422407#comment-17422407
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Seth Wiesman commented on FLINK-23313:
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resolved in release-1.14: fc8e269e9415a75fe9d1c5634eef2caaf059e1bc
master: a328e3b2a264a914d9fef4a94f91eecc6623a08c
> Reintroduce temporal table function documentation
> -------------------------------------------------
>
> Key: FLINK-23313
> URL: https://issues.apache.org/jira/browse/FLINK-23313
> Project: Flink
> Issue Type: Bug
> Components: Documentation, Table SQL / API
> Reporter: Timo Walther
> Assignee: Leonard Xu
> Priority: Critical
> Labels: pull-request-available
>
> FLIP-132 introduced the new {{FOR SYSTEM_TIME AS OF}} and dropped the main
> documentation for temporal table function. This causes a lot of confusion for
> users.
> First, because processing time joins are not supported yet.
> Second, because a primary key might not always be present in the current
> pipeline when using Table API.
> We have not deprecated `createTemporalTableFunction` and the documentation in
> https://ci.apache.org/projects/flink/flink-docs-release-1.13/docs/dev/table/tableapi/#join-with-temporal-table
> is not enough.
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