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https://issues.apache.org/jira/browse/CALCITE-1601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15883233#comment-15883233
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Julian Hyde commented on CALCITE-1601:
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Thanks!
> DateRangeRules loses OR filters
> -------------------------------
>
> Key: CALCITE-1601
> URL: https://issues.apache.org/jira/browse/CALCITE-1601
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.11.0
> Reporter: Gian Merlino
> Assignee: Julian Hyde
> Fix For: 1.12.0
>
>
> I'm not sure why, but DateRangeRules can lose some filters. For example in
> this query:
> {code}
> SELECT COUNT(*) FROM druid.foo WHERE EXTRACT(YEAR FROM __time) = 2000 AND
> EXTRACT(MONTH FROM __time) IN (2, 3, 5)
> {code}
> The filter gets resolved to __time >= 2000-02-01 and __time < 2000-03-01,
> losing the months "3" and "5". Removing DateRangeRules.FILTER_INSTANCE from
> the planner's rule set stops this from happening.
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