Hi, While reviewing explain(extended: Boolean) - https://github.com/apache/spark/blob/master/sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala#L408 - I've noticed that:
1. It first creates ExplainCommand that does sqlContext.executePlan(logicalPlan) in run https://github.com/apache/spark/blob/master/sql/core/src/main/scala/org/apache/spark/sql/execution/command/commands.scala#L247 2. And then calls sqlContext.executePlan(explain) https://github.com/apache/spark/blob/master/sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala#L410 Why are there two sqlContext.executePlan's? It appears that we calls the former to execute the latter (?) I'm confused. Please explain :) I'd appreciate. Pozdrawiam, Jacek Laskowski ---- https://medium.com/@jaceklaskowski/ Mastering Apache Spark http://bit.ly/mastering-apache-spark Follow me at https://twitter.com/jaceklaskowski --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@spark.apache.org For additional commands, e-mail: dev-h...@spark.apache.org
