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Apache Spark commented on SPARK-10585: -------------------------------------- User 'cloud-fan' has created a pull request for this issue: https://github.com/apache/spark/pull/8747 > only copy data once when generate unsafe projection > --------------------------------------------------- > > Key: SPARK-10585 > URL: https://issues.apache.org/jira/browse/SPARK-10585 > Project: Spark > Issue Type: Improvement > Components: SQL > Reporter: Wenchen Fan > > When we have nested struct, array or map, we will create a byte buffer for > each of them, and copy data to the buffer first, then copy them to the final > row buffer. We can save the first copy and directly copy data to final row > buffer. -- 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