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https://issues.apache.org/jira/browse/HIVE-1327?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ning Zhang resolved HIVE-1327.
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Resolution: Not A Problem
Oops, this is a false alarm. It only happened in my sandbox.
> Group by partition column returns wrong results
> -----------------------------------------------
>
> Key: HIVE-1327
> URL: https://issues.apache.org/jira/browse/HIVE-1327
> Project: Hadoop Hive
> Issue Type: Bug
> Affects Versions: 0.6.0
> Reporter: Ning Zhang
> Fix For: 0.6.0
>
>
> hive> show partitions nzhang_part7;
> show partitions nzhang_part7;
> OK
> ds=2010-01-11
> ds=2010-01-23
> ds=2010-04-03
> ds=2010-04-19
> ds=2010-04-22
> Time taken: 0.431 seconds
> [nzh...@dev303 /tmp] dfs -ls /user/facebook/warehouse/nzhang_part7/*
> -rw-r--r-- 3 nzhang supergroup 1756123 2010-04-28 11:54
> /user/facebook/warehouse/nzhang_part7/ds=2010-01-11/attempt_201004162336_176893_r_000000_0.gz
> -rw-r--r-- 3 nzhang supergroup 1758227 2010-04-28 11:54
> /user/facebook/warehouse/nzhang_part7/ds=2010-01-11/attempt_201004162336_176893_r_000001_0.gz
> -rw-r--r-- 3 nzhang supergroup 1915969 2010-04-28 11:54
> /user/facebook/warehouse/nzhang_part7/ds=2010-01-23/attempt_201004162336_176893_r_000000_0.gz
> -rw-r--r-- 3 nzhang supergroup 1943830 2010-04-28 11:54
> /user/facebook/warehouse/nzhang_part7/ds=2010-01-23/attempt_201004162336_176893_r_000001_0.gz
> -rw-r--r-- 3 nzhang supergroup 1646739 2010-04-28 11:54
> /user/facebook/warehouse/nzhang_part7/ds=2010-04-03/attempt_201004162336_176893_r_000000_0.gz
> -rw-r--r-- 3 nzhang supergroup 1641052 2010-04-28 11:54
> /user/facebook/warehouse/nzhang_part7/ds=2010-04-03/attempt_201004162336_176893_r_000001_0.gz
> -rw-r--r-- 3 nzhang supergroup 58601 2010-04-28 11:54
> /user/facebook/warehouse/nzhang_part7/ds=2010-04-19/attempt_201004162336_176893_r_000000_0.gz
> -rw-r--r-- 3 nzhang supergroup 57465 2010-04-28 11:54
> /user/facebook/warehouse/nzhang_part7/ds=2010-04-19/attempt_201004162336_176893_r_000001_0.gz
> -rw-r--r-- 3 nzhang supergroup 1064491 2010-04-28 11:54
> /user/facebook/warehouse/nzhang_part7/ds=2010-04-22/attempt_201004162336_176893_r_000000_0.gz
> -rw-r--r-- 3 nzhang supergroup 1070580 2010-04-28 11:54
> /user/facebook/warehouse/nzhang_part7/ds=2010-04-22/attempt_201004162336_176893_r_000001_0.gz
> hive> select ds, count(1) from nzhang_part7 where ds is not null group by ds;
> 2010-04-03 1761129
> Time taken: 187.692 seconds
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