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https://issues.apache.org/jira/browse/HIVE-20592?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gopal V resolved HIVE-20592.
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Resolution: Not A Bug
Wrong project, this needs to go the spark-user@ lists or if you think it is a
BUG, it goes here
https://issues.apache.org/jira/projects/SPARK/issues
HiveContext is not Hive, it is a Spark feature.
> hive on spark - got a weird output when count(*) from this script
> ------------------------------------------------------------------
>
> Key: HIVE-20592
> URL: https://issues.apache.org/jira/browse/HIVE-20592
> Project: Hive
> Issue Type: Bug
> Environment: spark 1.6.1
> hive 1.2.2
> hadoop 2.7.1
> Reporter: Gu Yuchen
> Priority: Major
> Attachments: jira.png, test.gz.parquet
>
>
>
> use hiveContext to exec a script below:
> with nt as (select label, score from (select * from (select label, score,
> row_number() over (order by score desc) as position from t1)t_1 join (select
> count(*) as countall from t1)t_2 )ta where position <= countall * 0.4) select
> count(*) as c_positive from nt where label = 1
> and i got this result.
> !jira.png!
> it is weird when call the 'count()' func on rdd and dataframe,
> as the pic says: different output here....
> can someone help me out? thanks a lot!!!!
>
> PS: the parquet file i used is the 'test.gz.parquet' in Attachments.
>
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