Github user hvanhovell commented on a diff in the pull request:
https://github.com/apache/spark/pull/14132#discussion_r70866390
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala
---
@@ -399,7 +402,16 @@ class AstBuilder extends SqlBaseBaseVisitor[AnyRef]
with Logging {
* separated) relations here, these get converted into a single plan by
condition-less inner join.
*/
override def visitFromClause(ctx: FromClauseContext): LogicalPlan =
withOrigin(ctx) {
- val from = ctx.relation.asScala.map(plan).reduceLeft(Join(_, _, Inner,
None))
+ val relationPlan = ctx.relation.asScala.map {
--- End diff --
I don't think this will work with multiple joins. I think we should do this
in `visitJoinRelation`...
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