[
https://issues.apache.org/jira/browse/HIVE-20775?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jesus Camacho Rodriguez updated HIVE-20775:
-------------------------------------------
Attachment: HIVE-20775.02.patch
> Factor cost of each SJ reduction when costing a follow-up reduction
> -------------------------------------------------------------------
>
> Key: HIVE-20775
> URL: https://issues.apache.org/jira/browse/HIVE-20775
> Project: Hive
> Issue Type: Bug
> Components: Physical Optimizer
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Priority: Major
> Attachments: HIVE-20775.01.patch, HIVE-20775.02.patch,
> HIVE-20775.patch
>
>
> Currently, while costing the SJ in a plan, the stats of the a TS that is
> reduced by a SJ are not adjusted after we have decided to keep a SJ in the
> tree. Ideally, we could adjust the stats to take into account decisions that
> have already been made.
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
