Github user maropu commented on a diff in the pull request:
https://github.com/apache/spark/pull/21052#discussion_r183190383
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/StatisticsCollectionSuite.scala ---
@@ -382,4 +382,34 @@ class StatisticsCollectionSuite extends
StatisticsCollectionTestBase with Shared
}
}
}
+
+ test("Simple queries must be working, if CBO is turned on") {
+ withSQLConf(("spark.sql.cbo.enabled", "true")) {
+ withTable("TBL1", "TBL") {
+ import org.apache.spark.sql.functions._
+ val df = spark.range(1000L).select('id,
+ 'id * 2 as "FLD1",
+ 'id * 12 as "FLD2",
+ lit("aaa") + 'id as "fld3")
+ df.write
+ .mode(SaveMode.Overwrite)
+ .bucketBy(10, "id", "FLD1", "FLD2")
+ .sortBy("id", "FLD1", "FLD2")
+ .saveAsTable("TBL")
+ spark.sql("ANALYZE TABLE TBL COMPUTE STATISTICS ")
--- End diff --
nit: you don't need the `spark.` prefix
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