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Posted to issues@calcite.apache.org by "Oliver Lee (Jira)" <ji...@apache.org> on 2022/12/20 01:11:00 UTC

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

Oliver Lee created CALCITE-5447:
-----------------------------------

             Summary: 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


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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