Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/19522#discussion_r145268754
--- 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 =>
+ If(IsNull(v), Literal.create(null, BooleanType), FalseLiteral)
--- End diff --
Use `Coalesce`?
---
---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org
