Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/22197#discussion_r213596588
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetReadSupport.scala
---
@@ -65,17 +65,19 @@ private[parquet] class ParquetReadSupport(val
convertTz: Option[TimeZone])
* readers. Responsible for figuring out Parquet requested schema used
for column pruning.
*/
override def init(context: InitContext): ReadContext = {
+ val conf = context.getConfiguration
+
catalystRequestedSchema = {
--- End diff --
This is created but not used?
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