David Tolnay created SPARK-7611: ----------------------------------- Summary: Support HashJoin if the join condition uses eqNullSafe/<=> Key: SPARK-7611 URL: https://issues.apache.org/jira/browse/SPARK-7611 Project: Spark Issue Type: Improvement Components: SQL Affects Versions: 1.3.1 Reporter: David Tolnay
Currently ExtractEquiJoinKeys only looks for EqualTo, not EqualNullSafe. So if your join condition uses eqNullSafe/<=> instead of equalTo/===, you end up with the CartesianProduct strategy instead of HashJoin. This requires many changes under org.apache.spark.sql.execution.joins, where code assumes rows can only join "if (!key.anyNull)". -- 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