dongjoon-hyun commented on a change in pull request #27702: [SPARK-30955][SQL]
Exclude Generate output when aliasing in nested column pruning
URL: https://github.com/apache/spark/pull/27702#discussion_r385010541
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/SchemaPruningSuite.scala
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@@ -301,6 +301,24 @@ abstract class SchemaPruningSuite
checkAnswer(query, Row("Y.", 1) :: Row("X.", 1) :: Row(null, 2) ::
Row(null, 2) :: Nil)
}
+ testSchemaPruning("select explode of nested field of array of struct from
Generate output") {
Review comment:
Sorry, but I agree with @HyukjinKwon 's comment. This will be executed 16
times in `testSchemaPruning` x (ORCv1/ORCv2/Parquetv1/Parquetv2) without any
benefit. If you need to add a E2E test, the original place is better than this.
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