[
https://issues.apache.org/jira/browse/SPARK-17129?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Zhenhua Wang updated SPARK-17129:
---------------------------------
Description:
We need to support generation/storing/loading partition-level statistics,
and use stats from single/multiple partitions (after partition pruning) to
estimate cardinality.
was:need to support generation/storing/loading partition-level statistics,
and use stats from single/multiple partitions (after partition pruning) to
estimate cardinality
> support partition-level stats and cardinality estimation
> --------------------------------------------------------
>
> Key: SPARK-17129
> URL: https://issues.apache.org/jira/browse/SPARK-17129
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Reporter: Zhenhua Wang
>
> We need to support generation/storing/loading partition-level statistics,
> and use stats from single/multiple partitions (after partition pruning) to
> estimate cardinality.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
