huaxingao commented on code in PR #36303:
URL: https://github.com/apache/spark/pull/36303#discussion_r855636665
##########
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/SchemaPruningSuite.scala:
##########
@@ -935,4 +935,106 @@ abstract class SchemaPruningSuite
.count()
assert(count == 0)
}
+
+ testSchemaPruning("SPARK-38977: schema pruning with correlated EXISTS
subquery") {
+
+ import testImplicits._
+
+ withTempView("ids", "first_names") {
+ val df1 = Seq(1, 2, 3).toDF("value")
+ df1.createOrReplaceTempView("ids")
+
+ val df2 = Seq("John", "Bob").toDF("value")
+ df2.createOrReplaceTempView("first_names")
+
+ val query = sql(
+ s"""SELECT name FROM contacts c
Review Comment:
nit: remove `s`?
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