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https://issues.apache.org/jira/browse/CALCITE-3433?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Danny Chen resolved CALCITE-3433.
---------------------------------
Fix Version/s: 1.22.0
Resolution: Fixed
Fixed in
[65043f2|https://github.com/apache/calcite/commit/65043f290a7be45a668cf941ab48ee3c30efbe4e],
thanks for your PR, [~donnyzone] !
> EQUALS operator between date/timestamp types returns false if the type is
> nullable
> ----------------------------------------------------------------------------------
>
> Key: CALCITE-3433
> URL: https://issues.apache.org/jira/browse/CALCITE-3433
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.17.0, 1.18.0, 1.19.0, 1.20.0, 1.21.0
> Reporter: jiezouSH
> Assignee: Feng Zhu
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.22.0
>
> Time Spent: 2h 20m
> Remaining Estimate: 0h
>
> sql
> {code:sql}
> select time0 = time1
> from (select
> timestamp'2000-12-30 21:07:32' as time0,
> timestamp'2000-12-30 21:07:32' as time1
> union all
> select
> cast(null as timestamp) as time0,
> cast(null as timestamp) as time1)
> {code}
> answer is false
> but
> sql
> {code:sql}
> select time0 = time1
> from
> (select
> timestamp'2000-12-30 21:07:32' as time0,
> timestamp'2000-12-30 21:07:32'as time1)
> {code}
> answer is true
>
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