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From gatorsmile <...@git.apache.org>
Subject [GitHub] spark pull request #19522: [SPARK-22249][FOLLOWUP][SQL] Check if list of val...
Date Tue, 17 Oct 2017 21:56:06 GMT
Github user gatorsmile commented on a diff in the pull request:

    https://github.com/apache/spark/pull/19522#discussion_r145267736
  
    --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/expressions.scala
---
    @@ -176,6 +176,8 @@ object ReorderAssociativeOperator extends Rule[LogicalPlan] {
     object OptimizeIn extends Rule[LogicalPlan] {
       def apply(plan: LogicalPlan): LogicalPlan = plan transform {
         case q: LogicalPlan => q transformExpressionsDown {
    +      case expr @ In(v, _) if expr.isListEmpty =>
    --- End diff --
    
    Update the comment in the rule.


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