Github user 10110346 commented on a diff in the pull request:
https://github.com/apache/spark/pull/22594#discussion_r224286853
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/FileScanRDD.scala
---
@@ -70,6 +70,8 @@ class FileScanRDD(
private val ignoreCorruptFiles =
sparkSession.sessionState.conf.ignoreCorruptFiles
private val ignoreMissingFiles =
sparkSession.sessionState.conf.ignoreMissingFiles
+ // only for test
+ private val inputMetricsTest =
sparkSession.sessionState.conf.contains("spark.inputmetrics.test")
--- End diff --
If this place is controlled by `spark.testing`, other unit tests may fail.
Yeah, I agree with you ,this a simple change, it is better to drop this.
thanks @srowen
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