Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/13701#discussion_r73295082
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetFilterSuite.scala
---
@@ -527,4 +536,43 @@ class ParquetFilterSuite extends QueryTest with
ParquetTest with SharedSQLContex
assert(df.filter("_1 IS NOT NULL").count() === 4)
}
}
+
+ test("Fiters should be pushed down for vectorized Parquet reader at row
group level") {
+ import testImplicits._
+ withTempPath { dir =>
+ val path = s"${dir.getCanonicalPath}/table"
+ (1 to 1024).map(i => (101, i)).toDF("a", "b").write.parquet(path)
+
+ val requiredSchema = StructType(Seq(
+ StructField("a", IntegerType, nullable = false),
+ StructField("b", IntegerType, nullable = false)
+ ))
+
+ val hadoopConf = new Configuration()
+ hadoopConf.setInt("parquet.block.size", 1)
--- End diff --
Just to make sure it produces many row groups.
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