frankyin-factual commented on a change in pull request #28898:
URL: https://github.com/apache/spark/pull/28898#discussion_r453293880
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/SchemaPruningSuite.scala
##########
@@ -460,6 +460,60 @@ abstract class SchemaPruningSuite
checkAnswer(query4, Row(2, null) :: Row(2, 4) :: Nil)
}
+ testSchemaPruning("select nested field in window function") {
+ val windowSql =
+ """
+ |with contact_rank as (
+ | select row_number() over (partition by address order by id desc) as
rank,
+ | contacts.*
+ | from contacts
+ |)
+ |select name.first, rank from contact_rank
+ |where name.first = 'Jane' AND rank = 1
+ |""".stripMargin
+ val query1 = sql(windowSql)
+ checkScan(query1,
"struct<id:int,name:struct<first:string>,address:string>")
+ checkAnswer(query1, Row("Jane", 1) :: Nil)
Review comment:
Good catch. `sort by` is a local sort, so I also updated this test to do
repartition first to make results more predictable.
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