Laurent Goujon created CALCITE-1606:
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Summary: Add missing support for datetime JDBC functions
Key: CALCITE-1606
URL: https://issues.apache.org/jira/browse/CALCITE-1606
Project: Calcite
Issue Type: Improvement
Components: core
Reporter: Laurent Goujon
Assignee: Julian Hyde
Priority: Minor
Calcite advertises support for all datetime functions but implementations are
missing for some of them.
Since Calcite already supports EXTRACT(timeUnit FROM datetime), support could
be added for the following functions: YEAR, MONTH, WEEK, DAYOFYEAR, DAYOFMONTH,
DAYOFWEEK, HOUR, MINUTE, SECOND.
Some concrete implementation (like WEEK) would be missing, but if RexImpTable
is updated to support it, then it would be fully wired.
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