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https://issues.apache.org/jira/browse/CALCITE-1417?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde updated CALCITE-1417:
---------------------------------
    Summary: In RelBuilder, simplify "CAST(literal TO type)" to a literal when 
possible  (was: Casts of literals)

> In RelBuilder, simplify "CAST(literal TO type)" to a literal when possible
> --------------------------------------------------------------------------
>
>                 Key: CALCITE-1417
>                 URL: https://issues.apache.org/jira/browse/CALCITE-1417
>             Project: Calcite
>          Issue Type: Bug
>            Reporter: Julian Hyde
>            Assignee: Julian Hyde
>             Fix For: 1.11.0
>
>
> In CALCITE-1357 we added some logic (in {{DruidDateTimeUtils.leafToRanges}}) 
> to recognize various combinations of literals, casts of literals and 
> comparison operators, and I feel that logic would be simpler if we moved the 
> logic into {{RexUtil}} and flattened the casts of literals to just plain 
> literals. [~jcamachorodriguez], what do you think?



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