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https://issues.apache.org/jira/browse/FLINK-8518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16489399#comment-16489399
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ASF GitHub Bot commented on FLINK-8518:
---------------------------------------
Github user snuyanzin commented on the issue:
https://github.com/apache/flink/pull/6007
> Just because DOW is in the reserved keywords section doesn't mean that we
support it.
Definitely agree however my point was that the same situation is for DOY,
CENTURY and others...
Now I added information about date/time functions synonyms which currently
work in flink. I was surprised but they work without any efforts => I just
added more tests related to them and documentation.
@twalthr could you please have a look?
> Support DOW, EPOCH, DECADE for EXTRACT
> --------------------------------------
>
> Key: FLINK-8518
> URL: https://issues.apache.org/jira/browse/FLINK-8518
> Project: Flink
> Issue Type: Improvement
> Components: Table API & SQL
> Reporter: Timo Walther
> Assignee: Sergey Nuyanzin
> Priority: Major
>
> We upgraded Calcite to version 1.15 in FLINK-7934. The EXTRACT method
> supports more conversion targets. The targets DOW, EPOCH, DECADE should be
> implemented and tested for different datatypes.
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