bug fix

apache · Jan 19, 2017 · d6bba37 · d6bba37
1 parent e4db820
commit d6bba37
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/predicates.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/predicates.scala
@@ -93,6 +93,7 @@ trait PredicateHelper {
     case e: SubqueryExpression =>
       // non-correlated subquery will be replaced as literal
       e.children.isEmpty
+    case a: AttributeReference => true
     case e: Unevaluable => false
     case e => e.children.forall(canEvaluateWithinJoin)
   }