Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/22597#discussion_r225004937
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/orc/OrcFilterSuite.scala
---
@@ -383,4 +384,15 @@ class OrcFilterSuite extends OrcTest with
SharedSQLContext {
)).get.toString
}
}
+
+ test("SPARK-25579 ORC PPD should support column names with dot") {
+ import testImplicits._
+
+ withTempDir { dir =>
+ val path = new File(dir, "orc").getCanonicalPath
+ Seq((1, 2), (3, 4)).toDF("col.dot.1", "col.dot.2").write.orc(path)
+ val df = spark.read.orc(path).where("`col.dot.1` = 1 and `col.dot.2`
= 2")
+ checkAnswer(stripSparkFilter(df), Row(1, 2))
--- End diff --
Like that test, this test also generates two ORC files with one row and
test if PPD works.
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