Julian Hyde created CALCITE-1632:
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Summary: Return types of datetime + interval
Key: CALCITE-1632
URL: https://issues.apache.org/jira/browse/CALCITE-1632
Project: Calcite
Issue Type: Bug
Reporter: Julian Hyde
Assignee: Julian Hyde
Per the SQL standard, the return type of "datetime + interval" is the same as
the type of "datetime". (Postgres, for instance, always widens the result to
TIMESTAMP; this is wrong.)
Also, when adding or subtracting to a TIME value, make sure the result stays
within the range 00:00:00..23:59:59.
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