Shaofeng SHI created KYLIN-1643:
-----------------------------------
Summary: Kylin's hll counter count "NULL" as a value
Key: KYLIN-1643
URL: https://issues.apache.org/jira/browse/KYLIN-1643
Project: Kylin
Issue Type: Bug
Components: General
Reporter: Shaofeng SHI
Assignee: Shaofeng SHI
Reported by Xie Linjiong, he found Kylin's HyperLogLog count NULL as 1, but
Hive count it as 0; Below is a sample:
A. source table:
hive> select * from temp.temp_kylin_null_test_20160429;
OK
10003 NULL
10002 NULL
10001 male
B. hive's query result:
hive> select count(distinct gender)],count(*) from
temp.temp_kylin_null_test_20160429 where user_id in (10002,10003);
OK
0 2
C. Kylin's query result:
1 2
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
