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https://issues.apache.org/jira/browse/SPARK-20827?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen updated SPARK-20827:
------------------------------
Priority: Minor (was: Major)
Issue Type: Improvement (was: Bug)
> cannot express HAVING without a GROUP BY clause
> -----------------------------------------------
>
> Key: SPARK-20827
> URL: https://issues.apache.org/jira/browse/SPARK-20827
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.1.0
> Reporter: N Campbell
> Priority: Minor
>
> SPARK SQL does not support a HAVING clause without a GROUP BY which is valid
> SQL and supported by other engines (ORACLE, DB2, ....)
> SELECT
> 'AAAA' AS `C1`
> FROM
> `cert`.`tparts`
> HAVING
> COUNT(`pno`) > 0
> SQL state: java.lang.UnsupportedOperationException: Cannot evaluate
> expression: count(input[0, string, true]), Query: SELECT
> 'AAAA' AS `C1`
> FROM
> `cert`.`tparts`
> HAVING
> COUNT(`pno`) > 0.
> SQLState: HY000
> ErrorCode: 500051
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