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Apache Spark commented on SPARK-24959: -------------------------------------- User 'HyukjinKwon' has created a pull request for this issue: https://github.com/apache/spark/pull/23667 > 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