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https://issues.apache.org/jira/browse/CALCITE-5554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17698581#comment-17698581
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Tanner Clary commented on CALCITE-5554:
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[~julianhyde] After thinking about it some more, I think some changes to the
EXTRACT() implementation could be useful. For instance, the "SQL_TSI_" aliases
are currently not valid either, while they are for other date/time functions.
What do you think?
> Add DAYOFWEEK and DAYOFYEAR as valid synonyms of DOW, DOY
> ---------------------------------------------------------
>
> Key: CALCITE-5554
> URL: https://issues.apache.org/jira/browse/CALCITE-5554
> Project: Calcite
> Issue Type: Improvement
> Reporter: Tanner Clary
> Assignee: Tanner Clary
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h
> Remaining Estimate: 0h
>
> Currently, a query such as: {{EXTRACT(DAYOFWEEK FROM DATE '2008-12-25');}} is
> invalid while {{EXTRACT(DOW FROM DATE '2008-12-25')}} is acceptable. BigQuery
> (and perhaps other dialects) accept the non-abbreviated version as a valid
> time unit. After this change, DAYOFWEEK and DAYOFYEAR would both be synonyms
> of DOW and DOY, respectively.
> [Relevant BigQuery
> Docs|https://cloud.google.com/bigquery/docs/reference/standard-sql/date_functions#extract]
> Any comments, questions, or suggestions for the linked PR are highly
> appreciated.
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