[ 
https://issues.apache.org/jira/browse/SPARK-24959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16671553#comment-16671553
 ] 

Apache Spark commented on SPARK-24959:
--------------------------------------

User 'MaxGekk' has created a pull request for this issue:
https://github.com/apache/spark/pull/22920

> Do not invoke the CSV/JSON parser for empty schema
> --------------------------------------------------
>
>                 Key: SPARK-24959
>                 URL: https://issues.apache.org/jira/browse/SPARK-24959
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.3.1
>            Reporter: Maxim Gekk
>            Assignee: Maxim Gekk
>            Priority: Major
>             Fix For: 2.4.0
>
>
> Currently JSON and CSV parsers are called even if required schema is empty. 
> Invoking the parser per each line has some non-zero overhead. The action can 
> be skipped. Such optimization should speed up count(), for example.



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org
For additional commands, e-mail: issues-h...@spark.apache.org

Reply via email to