Gu Yuchen created HIVE-20592:
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Summary: 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
Attachments: jira.png
use hiveContext to exec a script blew:
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!!!!
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