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From "N Campbell (JIRA)" <>
Subject [jira] [Created] (HIVE-15552) unable to coalesce DATE and TIMESTAMP types
Date Fri, 06 Jan 2017 13:55:58 GMT
N Campbell created HIVE-15552:

             Summary: unable to coalesce DATE and TIMESTAMP types
                 Key: HIVE-15552
             Project: Hive
          Issue Type: Bug
          Components: SQL
    Affects Versions: 2.1.0
            Reporter: N Campbell
            Priority: Minor

COALESCE expression does not expect DATE and TIMESTAMP types 

select tdt.rnum, coalesce(tdt.cdt, cast(tdt.cdt as timestamp)) from certtext.tdt
Error: Error while compiling statement: FAILED: SemanticException Line 0:-1 Argument type
mismatch 'cdt': The expressions after COALESCE should all have the same type: "date" is expected
but "timestamp" is found
SQLState:  42000
ErrorCode: 40000

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