[
https://issues.apache.org/jira/browse/SPARK-28127?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Xiao Li resolved SPARK-28127.
-----------------------------
Resolution: Fixed
Assignee: Yesheng Ma
Fix Version/s: 3.0.0
> Micro optimization on TreeNode's mapChildren method
> ---------------------------------------------------
>
> Key: SPARK-28127
> URL: https://issues.apache.org/jira/browse/SPARK-28127
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Yesheng Ma
> Assignee: Yesheng Ma
> Priority: Major
> Fix For: 3.0.0
>
>
> The {{mapChildren}} method in the {{TreeNode}} class is commonly used. In
> this method, there's a if statement checking non-empty children. However,
> there's a cached lazy val {{containsChild}}, which avoids unnecessary
> computation since this {{containsChild}} is used in other methods anyway.
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
