[ https://issues.apache.org/jira/browse/SPARK-13574?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Davies Liu resolved SPARK-13574. -------------------------------- Resolution: Fixed Fix Version/s: 2.0.0 Issue resolved by pull request 11454 [https://github.com/apache/spark/pull/11454] > Improve parquet dictionary decoding for strings > ----------------------------------------------- > > Key: SPARK-13574 > URL: https://issues.apache.org/jira/browse/SPARK-13574 > Project: Spark > Issue Type: Improvement > Components: SQL > Reporter: Nong Li > Priority: Minor > Fix For: 2.0.0 > > > Currently, the parquet reader will copy the dictionary value for each data > value. This is bad for string columns as we explode the dictionary during > decode. We should instead, have the data values point to the safe backing > memory. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org