Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/13150#discussion_r64504540
--- Diff:
sql/hive/src/test/scala/org/apache/spark/sql/hive/StatisticsSuite.scala ---
@@ -68,6 +71,51 @@ class StatisticsSuite extends QueryTest with
TestHiveSingleton {
classOf[AnalyzeTableCommand])
}
+ test("MetastoreRelations fallback to HDFS for size estimation") {
+ val enableFallBackToHdfsForStats =
hiveContext.conf.fallBackToHdfsForStatsEnabled
+ try {
+ withTempDir { tempDir =>
+
+ // EXTERNAL OpenCSVSerde table pointing to LOCATION
+
+ val file1 = new File(tempDir + "/data1")
+ val writer1 = new PrintWriter(file1)
+ writer1.write("1,2")
+ writer1.close()
+
+ val file2 = new File(tempDir + "/data2")
+ val writer2 = new PrintWriter(file2)
+ writer2.write("1,2")
+ writer2.close()
+
+ sql(
+ s"""CREATE EXTERNAL TABLE csv_table(page_id INT, impressions INT)
+ ROW FORMAT SERDE 'org.apache.hadoop.hive.serde2.OpenCSVSerde'
--- End diff --
need to indent this properly. I can fix this when I merge if Jenkins passes.
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