You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@hive.apache.org by "Matt McCline (JIRA)" <ji...@apache.org> on 2018/04/05 01:12:00 UTC
[jira] [Resolved] (HIVE-12559) Vectorization on MR produces
different results
[ https://issues.apache.org/jira/browse/HIVE-12559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Matt McCline resolved HIVE-12559.
---------------------------------
Resolution: Incomplete
> Vectorization on MR produces different results
> ----------------------------------------------
>
> Key: HIVE-12559
> URL: https://issues.apache.org/jira/browse/HIVE-12559
> Project: Hive
> Issue Type: Bug
> Reporter: Laljo John Pullokkaran
> Assignee: Matt McCline
> Priority: Major
>
> Vectorization on MR produces different results for semantically equivalent queries.
> SET hive.vectorized.execution.enabled=true;
> SET hive.auto.convert.join=true;
> SET hive.auto.convert.join.noconditionaltask=true;
> SET hive.auto.convert.join.noconditionaltask.size=1000000000;
> SET hive.cbo.enable=false;
> select sum(v1.cdouble) from alltypesorc v3 join alltypesorc v1 on v1.csmallint=v3.csmallint join alltypesorc v2 on v1.ctinyint=v2.ctinyint;
> -- Produces 6.065190932488167E11
> select sum(v1.cdouble) from alltypesorc v1 join alltypesorc v2 on v1.ctinyint=v2.ctinyint join alltypesorc v3 on v1.csmallint=v3.csmallint;
> -- Produces 6.065190932486892E11
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)