Github user yhuai commented on a diff in the pull request:
https://github.com/apache/spark/pull/13977#discussion_r69010595
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
---
@@ -1836,13 +1836,15 @@ class Analyzer(
}
private def commonNaturalJoinProcessing(
- left: LogicalPlan,
- right: LogicalPlan,
- joinType: JoinType,
- joinNames: Seq[String],
- condition: Option[Expression]) = {
- val leftKeys = joinNames.map(keyName => left.output.find(_.name ==
keyName).get)
- val rightKeys = joinNames.map(keyName => right.output.find(_.name ==
keyName).get)
+ left: LogicalPlan,
+ right: LogicalPlan,
+ joinType: JoinType,
+ joinNames: Seq[String],
+ condition: Option[Expression]) = {
+ val leftKeys =
--- End diff --
https://github.com/apache/spark/blob/master/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala#L1825
will make sure that it will not be None after this issue is fixed. I can add
an assert.
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