[
https://issues.apache.org/jira/browse/IMPALA-14115?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Steve Carlin resolved IMPALA-14115.
-----------------------------------
Resolution: Fixed
> Calcite planner: Add top-n optimization for rank analytic expressions
> ---------------------------------------------------------------------
>
> Key: IMPALA-14115
> URL: https://issues.apache.org/jira/browse/IMPALA-14115
> Project: IMPALA
> Issue Type: Sub-task
> Reporter: Steve Carlin
> Priority: Major
>
> Impala has an optimization for analytic expressions that have a rank filter
> on top of the analytic expression. It can add a top-n plan node to reduce the
> amount of rows examined. This is tested in tpcds query 67.
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
