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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