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Posted to issues@calcite.apache.org by "Tanner Clary (Jira)" <ji...@apache.org> on 2022/12/20 19:36:00 UTC

[jira] [Created] (CALCITE-5449) Implement EXTRACT() Function for BigQuery

Tanner Clary created CALCITE-5449:
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             Summary: Implement EXTRACT() Function for BigQuery
                 Key: CALCITE-5449
                 URL: https://issues.apache.org/jira/browse/CALCITE-5449
             Project: Calcite
          Issue Type: Sub-task
            Reporter: Tanner Clary
            Assignee: Tanner Clary


Implement BigQuery {{EXTRACT()}} Function. {{EXTRACT(part FROM date_expression)}} returns the value from the date_expression corresponding to the specified part. Calcite currently supports PostgreSQL' {{DATE_PART}} which has similar behavior.

Example: {{SELECT EXTRACT(DAY FROM DATE '2013-12-25')}} would return 25.

[BigQuery Docs|https://g3doc.corp.google.com/company/teams/googlesql/reference/date_functions.md#extract ]



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