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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