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https://issues.apache.org/jira/browse/CALCITE-4190?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde updated CALCITE-4190:
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Fix Version/s: 1.26.0
> OR simplification incorrectly loses term
> ----------------------------------------
>
> Key: CALCITE-4190
> URL: https://issues.apache.org/jira/browse/CALCITE-4190
> Project: Calcite
> Issue Type: Bug
> Reporter: Julian Hyde
> Assignee: Julian Hyde
> Priority: Major
> Fix For: 1.26.0
>
>
> Simplification of OR expressions incorrectly loses a term. For example,
> {code}(0 < a and a <= 10) or a is null or (8 < a and a < 12) or a >= 15{code}
> is simplified to
> {code}as is null or (0 < a and a <= 10) or (8 < a and a < 12){code}
> (Moving {{a is null}} to the front is expected, but removing {{a >= 15}} is
> wrong.)
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