cloud-fan commented on a change in pull request #23388: [SPARK-26448][SQL]
retain the difference between 0.0 and -0.0
URL: https://github.com/apache/spark/pull/23388#discussion_r244522622
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/planning/patterns.scala
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@@ -102,8 +102,8 @@ object ExtractEquiJoinKeys extends Logging with
PredicateHelper {
type ReturnType =
(JoinType, Seq[Expression], Seq[Expression], Option[Expression],
LogicalPlan, LogicalPlan)
- def unapply(plan: LogicalPlan): Option[ReturnType] = plan match {
- case join @ Join(left, right, joinType, condition) =>
+ def unapply(join: Join): Option[ReturnType] = join match {
+ case Join(left, right, joinType, condition) =>
Review comment:
It's same as before, except that, `j @ ExtractEquiJoinKeys...` the `j`
becomes `Join` type.
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