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https://issues.apache.org/jira/browse/FLINK-23199?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ingo Bürk updated FLINK-23199:
------------------------------
Description:
The term "user-defined function" exists both in DataStream API[1] and Table /
SQL API[2], but has different meanings in each. For users this can be confusing
when looking at the different possible interfaces[3], so we should improve the
documentation to make it clear that these are two different concepts.
[1]
[https://ci.apache.org/projects/flink/flink-docs-master/docs/dev/datastream/user_defined_functions/]
[2]
[https://ci.apache.org/projects/flink/flink-docs-master/docs/dev/table/functions/udfs/]
[3]
[https://lists.apache.org/thread.html/rec5544b2b611c83780a8c2f2539bc55a8e3338ec056f23f0f3b7d326%40%3Cuser.flink.apache.org%3E]
was:
The term "user-defined function" exists both in DataStream API[1] and Table /
SQL API[2], but has different meanings in each. For users this can be confusing
when looking at the different possible interfaces[3], so we should improve the
documentation to make it clear that these are two different concepts.
[1]
[https://ci.apache.org/projects/flink/flink-docs-master/docs/dev/datastream/user_defined_functions/]
[2]
[https://ci.apache.org/projects/flink/flink-docs-master/docs/dev/table/functions/udfs/]
[3]
[https://lists.apache.org/thread.html/rec5544b2b611c83780a8c2f2539bc55a8e3338ec056f23f0f3b7d326%40%3Cuser.flink.apache.org%3E]
> Clarify differences of overloaded term "user-defined function"
> --------------------------------------------------------------
>
> Key: FLINK-23199
> URL: https://issues.apache.org/jira/browse/FLINK-23199
> Project: Flink
> Issue Type: Improvement
> Components: API / DataStream, Documentation, Table SQL / API
> Reporter: Ingo Bürk
> Priority: Major
>
> The term "user-defined function" exists both in DataStream API[1] and Table /
> SQL API[2], but has different meanings in each. For users this can be
> confusing when looking at the different possible interfaces[3], so we should
> improve the documentation to make it clear that these are two different
> concepts.
> [1]
> [https://ci.apache.org/projects/flink/flink-docs-master/docs/dev/datastream/user_defined_functions/]
> [2]
> [https://ci.apache.org/projects/flink/flink-docs-master/docs/dev/table/functions/udfs/]
> [3]
> [https://lists.apache.org/thread.html/rec5544b2b611c83780a8c2f2539bc55a8e3338ec056f23f0f3b7d326%40%3Cuser.flink.apache.org%3E]
>
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