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Posted to issues@calcite.apache.org by "Zou (Jira)" <ji...@apache.org> on 2022/12/20 02:17:00 UTC

[jira] [Commented] (CALCITE-5447) Add DATE_TRUNC for BigQuery

    [ https://issues.apache.org/jira/browse/CALCITE-5447?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17649530#comment-17649530 ] 

Zou commented on CALCITE-5447:
------------------------------

Hi [~oliverlee], I'd like to take this.

> Add DATE_TRUNC for BigQuery
> ---------------------------
>
>                 Key: CALCITE-5447
>                 URL: https://issues.apache.org/jira/browse/CALCITE-5447
>             Project: Calcite
>          Issue Type: Improvement
>            Reporter: Oliver Lee
>            Priority: Minor
>
> Adding in BigQuery's definition of DATE_TRUNC as described [https://g3doc.corp.google.com/company/teams/googlesql/reference/date_functions.md?cl=head#date-trunc]
>  
> ex.
> DATE_TRUNC('2022-01-05', month) -> 2022-01-01
> DATE_TRUNC('2022-01-05', day) -> 2022-01-05
> DATE_TRUNC('2022-01-05', year) -> 2022-01-01



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