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https://issues.apache.org/jira/browse/FLINK-9432?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16627312#comment-16627312
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ASF GitHub Bot commented on FLINK-9432:
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pnowojski commented on a change in pull request #6614: [FLINK-9432] [table]
Support extract timeunit: DECADE, EPOCH, ISODOW, ISOYEAR…
URL: https://github.com/apache/flink/pull/6614#discussion_r220179828
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File path:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/codegen/calls/ExtractCallGen.scala
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@@ -40,7 +40,10 @@ class ExtractCallGen(returnType: TypeInformation[_],
method: Method)
TimeUnit.DAY |
Review comment:
Side question (maybe stupid one). Why do we need `ExtractCallGen` class at
all?
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> Support extract epoch, decade, millisecond, microsecond
> -------------------------------------------------------
>
> Key: FLINK-9432
> URL: https://issues.apache.org/jira/browse/FLINK-9432
> Project: Flink
> Issue Type: New Feature
> Reporter: Sergey Nuyanzin
> Assignee: Sergey Nuyanzin
> Priority: Major
> Labels: pull-request-available
>
> The task is to separate activity from depending on
> https://issues.apache.org/jira/browse/CALCITE-2303 from all others that could
> be done without upgrade avatica/calcite in
> https://issues.apache.org/jira/browse/FLINK-8518
> Now the implementations of next functions are blocked
> {code:sql}
> extract(decade from ...)
> extract(epoch from ...)
> extract(millisecond from ...)
> extract(microsecond from ...)
> extract(isodow from ...)
> extract(isoyear from ...)
> {code}
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