Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/14425#discussion_r72895124
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/FileSourceStrategySuite.scala
---
@@ -408,6 +408,39 @@ class FileSourceStrategySuite extends QueryTest with
SharedSQLContext with Predi
}
}
+ test("[SPARK-16818] partition pruned file scans implement sameResult
correctly") {
+ withTempPath { path =>
+ val tempDir = path.getCanonicalPath
+ spark.range(100)
+ .selectExpr("id", "id as b")
+ .write
+ .partitionBy("id")
+ .parquet(tempDir)
+ val df = spark.read.parquet(tempDir)
+ def getPlan(df: DataFrame): SparkPlan = {
+ df.queryExecution.executedPlan
+ }
+ assert(getPlan(df.where("id = 2")).sameResult(getPlan(df.where("id =
2"))))
--- End diff --
did you verify this would fail without your patch?
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