Re: Expression/LogicalPlan dichotomy in Spark SQL Catalyst

2015-12-23 Thread Roland Reumerman
rmbrust Sent: Tuesday, December 22, 2015 12:52 AM To: Roland Reumerman Cc: dev@spark.apache.org Subject: Re: Expression/LogicalPlan dichotomy in Spark SQL Catalyst Why was the choice made in Catalyst to make LogicalPlan/QueryPlan and Expression separate subclasses of TreeNode, instead of e.g

Expression/LogicalPlan dichotomy in Spark SQL Catalyst

2015-12-21 Thread Roland Reumerman
ode/BinaryExpression. Much obliged, Roland Reumerman mendix.com