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Posted to issues@hive.apache.org by "Denys Kuzmenko (Jira)" <ji...@apache.org> on 2020/04/30 19:28:00 UTC
[jira] [Updated] (HIVE-23349) Concurrent MERGE INSERT operations
produce duplicates
[ https://issues.apache.org/jira/browse/HIVE-23349?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Denys Kuzmenko updated HIVE-23349:
----------------------------------
Description:
2 concurrent merge
{code}
create table target (a int, b int) stored as orc TBLPROPERTIES ('transactional'='true')");
insert into target values (1,2), (3,4)
create table source (a int, b int)
{code]
execute in parallel:
{code}
insert into source values (5,6), (7,8)
{code}
> Concurrent MERGE INSERT operations produce duplicates
> -----------------------------------------------------
>
> Key: HIVE-23349
> URL: https://issues.apache.org/jira/browse/HIVE-23349
> Project: Hive
> Issue Type: Bug
> Components: Transactions
> Reporter: Denys Kuzmenko
> Assignee: Denys Kuzmenko
> Priority: Major
>
> 2 concurrent merge
> {code}
> create table target (a int, b int) stored as orc TBLPROPERTIES ('transactional'='true')");
> insert into target values (1,2), (3,4)
> create table source (a int, b int)
> {code]
> execute in parallel:
> {code}
> insert into source values (5,6), (7,8)
> {code}
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