Github user gatorsmile commented on a diff in the pull request: https://github.com/apache/spark/pull/14132#discussion_r71623500 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/catalyst/SQLBuilder.scala --- @@ -356,8 +372,14 @@ class SQLBuilder(logicalPlan: LogicalPlan) extends Logging { } } + val broadcastHint = project match { + case p @ Project(projectList, Hint("BROADCAST", tables, child)) => + if (tables.nonEmpty) s"/*+ MAPJOIN(${tables.mkString(", ")}) */" else "" + case _ => "" + } build( "SELECT", + broadcastHint, --- End diff -- That is like a temporary patch, instead of a permanent solution. We need a clean way to resolve it. Let me find what is the root cause
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