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Posted to dev@calcite.apache.org by "jiezouSH (Jira)" <ji...@apache.org> on 2019/10/21 05:46:00 UTC

[jira] [Created] (CALCITE-3433) EQUALS operator between date/timestamp types returns false if the type is nullable

jiezouSH created CALCITE-3433:
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             Summary: 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: 1.21.0, 1.20.0, 1.19.0, 1.18.0, 1.17.0
            Reporter: jiezouSH


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) calcs

answer is false

but 

sql

select time0=time1 from (select timestamp'2000-12-30 21:07:32'as time0,timestamp'2000-12-30 21:07:32'as time1) calcs

answer is true

 



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