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https://issues.apache.org/jira/browse/HIVE-13557?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15250074#comment-15250074
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Ashutosh Chauhan commented on HIVE-13557:
-----------------------------------------
[~cartershanklin] noted that we do allow {{select date '2012-01-01' + (-30)
days;}} syntax. So, I think we are good here. Last point here is to allow
{{DAY}} wherever {{DAYS}} if standard supports it. MySQL support {{DAY}}
however postgres doesnt.
> Make interval keyword optional while specifying DAY in interval arithmetic
> --------------------------------------------------------------------------
>
> Key: HIVE-13557
> URL: https://issues.apache.org/jira/browse/HIVE-13557
> Project: Hive
> Issue Type: Sub-task
> Components: Types
> Reporter: Ashutosh Chauhan
>
> Currently we support expressions like: {code}
> WHERE SOLD_DATE BETWEEN ((DATE('2000-01-31')) - INTERVAL '30' DAY) AND
> DATE('2000-01-31')
> {code}
> We should support:
> {code}
> WHERE SOLD_DATE BETWEEN ((DATE('2000-01-31')) + (-30) DAY) AND
> DATE('2000-01-31')
> {code}
>
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