dongjoon-hyun commented on a change in pull request #24652: [SPARK-27782][SQL]
Use '#' to mark expression id embedded in the name field of SubqueryExec
operator
URL: https://github.com/apache/spark/pull/24652#discussion_r287611793
##########
File path: sql/core/src/test/scala/org/apache/spark/sql/SubquerySuite.scala
##########
@@ -1371,4 +1371,21 @@ class SubquerySuite extends QueryTest with
SharedSQLContext {
}
}
}
+
+ test("SPARK-27782 scalar subquuery name should start with scalar-subquery#")
{
+ val df = sql(
+ """
+ |SELECT a
+ |FROM l
+ |WHERE a = (SELECT max(c) FROM r WHERE c = 1)
+ """.stripMargin)
Review comment:
Since this is very short, can we have one-liner?
```scala
val df = sql("SELECT a FROM l WHERE a = (SELECT max(c) FROM r WHERE c = 1)")
```
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