Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/19743#discussion_r153514962
--- Diff:
sql/hive/src/test/scala/org/apache/spark/sql/hive/StatisticsSuite.scala ---
@@ -41,7 +41,35 @@ import org.apache.spark.sql.types._
class StatisticsSuite extends StatisticsCollectionTestBase with
TestHiveSingleton {
- test("Hive serde tables should fallback to HDFS for size estimation") {
+
+ test("size estimation for relations based on row size * number of rows")
{
--- End diff --
nit: `is based on`
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