Github user andrewor14 commented on a diff in the pull request: https://github.com/apache/spark/pull/8953#discussion_r41454596 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/local/HashJoinNode.scala --- @@ -17,27 +17,23 @@ package org.apache.spark.sql.execution.local -import org.apache.spark.sql.SQLConf import org.apache.spark.sql.catalyst.InternalRow import org.apache.spark.sql.catalyst.expressions._ import org.apache.spark.sql.execution.joins._ -import org.apache.spark.sql.execution.metric.SQLMetrics /** + * A node for inner hash equi-join. [[BinaryHashJoinNode]] and [[BroadcastHashJoinNode]] --- End diff -- ``` An abstract node for sharing common functionality among different implementations of inner hash equi-join, notably [[BinaryHashJoinNode]] and [[BroadcastHashJoinNode]]. ```
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