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Posted to issues@calcite.apache.org by "Venki Korukanti (JIRA)" <ji...@apache.org> on 2016/03/30 02:21:25 UTC

[jira] [Created] (CALCITE-1177) Add more time units for extract function

Venki Korukanti created CALCITE-1177:
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             Summary: Add more time units for extract function
                 Key: CALCITE-1177
                 URL: https://issues.apache.org/jira/browse/CALCITE-1177
             Project: Calcite
          Issue Type: Improvement
          Components: core
            Reporter: Venki Korukanti
            Assignee: Julian Hyde


Currently extract function support following units YEAR, MONTH, DAY, HOUR, MINUTE, SECOND. Add support for more units: CENTURY, DECADE, DOW, DOY, EPOCH, MILLENNIUM, QUARTER, WEEK.

Definitions of these units is similar to Postgres: http://www.postgresql.org/docs/9.1/static/functions-datetime.html#FUNCTIONS-DATETIME-EXTRACT



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