Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/10942#discussion_r51342422
--- Diff:
sql/hive/src/test/scala/org/apache/spark/sql/sources/BucketedReadSuite.scala ---
@@ -59,6 +61,141 @@ class BucketedReadSuite extends QueryTest with
SQLTestUtils with TestHiveSinglet
}
}
+ // To verify if pruning works, we compare the results before filtering
+ private def checkPrunedAnswers(
+ sourceDataFrame: DataFrame,
+ filterCondition: Column,
+ expectedAnswer: DataFrame): Unit = {
+ val filter =
sourceDataFrame.filter(filterCondition).queryExecution.executedPlan
+ assert(
+ filter.isInstanceOf[execution.Filter] ||
+ (filter.isInstanceOf[WholeStageCodegen] &&
--- End diff --
damn forgot about the `WholeStageCodegen` stuff. How about we call
`filter.find` to get the underlying relation operator directly?
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