You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@hive.apache.org by "Ashutosh Chauhan (JIRA)" <ji...@apache.org> on 2014/10/01 00:01:35 UTC
[jira] [Updated] (HIVE-7695) hive stats issue when insert query is
appending data into table
[ https://issues.apache.org/jira/browse/HIVE-7695?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ashutosh Chauhan updated HIVE-7695:
-----------------------------------
Attachment: HIVE-7695.1.patch
Similar fix as Vasanth's with test cases.
> 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: Logical Optimizer, Statistics
> Affects Versions: 0.13.0, 0.13.1
> Reporter: Thejas M Nair
> Attachments: HIVE-7695-test.patch, HIVE-7695.1.patch, tests.patch
>
>
> 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}
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)