[jira] [Resolved] (SPARK-36757) countDistinct becomes count when converted to SQL string

["Hyukjin Kwon (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-36757?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon resolved SPARK-36757.
----------------------------------
    Resolution: Invalid

> countDistinct becomes count when converted to SQL string
> --------------------------------------------------------
>
>                 Key: SPARK-36757
>                 URL: https://issues.apache.org/jira/browse/SPARK-36757
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 3.1.1
>            Reporter: Paul Deng
>            Priority: Major
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> In pyspark=3.1.1
> {code:python}
> > F.countDistinct(F.col("bar"))
> Column<'count(bar)'>{code}
>  
> In pyspark=2.4
> {code:python}
> > F.countDistinct(F.col("bar"))
> Column<b'count(DISTINCT foo)'>{code}
>  
> This creates problems when trying to convert the pyspark function into SQL code to compose SQL queries via:
> {code:python}
> > F.countDistinct(F.col("bar"))._jc.toString()
> {code}



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