[
https://issues.apache.org/jira/browse/CALCITE-2332?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Julian Hyde updated CALCITE-2332:
---------------------------------
Description:
It's not valid to simplify {{FLOOR(CEIL(x))}} to {{FLOOR(x)}}.
Specifically, it is not valid to simplify {{FLOOR(CEIL(x TO YEAR) TO YEAR)}} to
{{FLOOR(x TO YEAR)}} when {{x}} is {{TIMESTAMP '2010-10-10 00:00:00'}}. I
believe the correct simplification is {{CEIL(x TO YEAR)}}.
I have disabled {{RexImplicationCheckerTest.testSimplifyFloor}} due to this
issue. Please re-enable it as part of the fix for this bug.
was:
It's wrong to simplify {{FLOOR(CEIL(x))}} to {{FLOOR(x)}}.
Specifically, it is not valid to simplify {{FLOOR(CEIL(x TO YEAR) TO YEAR)}} to
{{FLOOR(x TO YEAR)}} when {{x}} is {{TIMESTAMP '2010-10-10 00:00:00'}}. I
believe the correct simplification is {{CEIL(x TO YEAR)}}.
I have disabled {{RexImplicationCheckerTest.testSimplifyFloor}} due to this
issue. Please re-enable it.
> It's wrong to simplify FLOOR(CEIL(x)) to FLOOR(x)
> -------------------------------------------------
>
> Key: CALCITE-2332
> URL: https://issues.apache.org/jira/browse/CALCITE-2332
> Project: Calcite
> Issue Type: Bug
> Reporter: Julian Hyde
> Assignee: Julian Hyde
> Priority: Major
>
> It's not valid to simplify {{FLOOR(CEIL(x))}} to {{FLOOR(x)}}.
> Specifically, it is not valid to simplify {{FLOOR(CEIL(x TO YEAR) TO YEAR)}}
> to {{FLOOR(x TO YEAR)}} when {{x}} is {{TIMESTAMP '2010-10-10 00:00:00'}}. I
> believe the correct simplification is {{CEIL(x TO YEAR)}}.
> I have disabled {{RexImplicationCheckerTest.testSimplifyFloor}} due to this
> issue. Please re-enable it as part of the fix for this bug.
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
