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Posted to issues@calcite.apache.org by "Zoltan Haindrich (JIRA)" <ji...@apache.org> on 2019/07/30 07:58:00 UTC
[jira] [Updated] (CALCITE-3192) Simplification may weaken OR
conditions containing inequalities
[ https://issues.apache.org/jira/browse/CALCITE-3192?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Zoltan Haindrich updated CALCITE-3192:
--------------------------------------
Summary: Simplification may weaken OR conditions containing inequalities (was: Simplification of OR incorrectly weaks condition)
> Simplification may weaken OR conditions containing inequalities
> ---------------------------------------------------------------
>
> Key: CALCITE-3192
> URL: https://issues.apache.org/jira/browse/CALCITE-3192
> Project: Calcite
> Issue Type: Bug
> Reporter: Jess Balint
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.21.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> RexSimplify is transforming
> * {{OR(AND(>(999, $8), =($2, 'Franklin')), <(100, $8))}}
> * to {{OR(=($2, 'Franklin'), <(100, $8))}}
> the predicates are accumulated in {{simplifyOrTerms()}} but not discarded when iterating the second time
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