Thejas M Nair created HIVE-7695:
-----------------------------------
Summary: hive stats issue when insert query is appending data into
table
Key: HIVE-7695
URL: https://issues.apache.org/jira/browse/HIVE-7695
Project: Hive
Issue Type: Bug
Components: Statistics
Reporter: Thejas M Nair
When 'insert' is used to append (not overrite), the stats don't seem to get
updated.
{code}
set hive.compute.query.using.stats=true;
set hive.stats.autogather=true;
//insert 4 rows
insert into table t2 select * from t1;
select count(*) from t2;
4
//insert 4 again (appending instead of overrite)
insert into table t2 select * from t1;
select count(*) from t2;
4
select * from t2;
1
2
3
4
1
2
3
4
{code}
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