HyukjinKwon commented on a change in pull request #31485:
URL: https://github.com/apache/spark/pull/31485#discussion_r571539632
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/StatisticsCollectionSuite.scala
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@@ -678,4 +680,50 @@ class StatisticsCollectionSuite extends
StatisticsCollectionTestBase with Shared
}
}
}
+
+ test("SPARK-34137: Update suquery's stats when build LogicalPlan's stats") {
+ withTable("t1", "t2") {
+ sql("create table t1 using parquet as select id as a, id as b from
range(1000)")
+ sql("create table t2 using parquet as select id as c, id as d from
range(2000)")
+
+ sql("ANALYZE TABLE t1 COMPUTE STATISTICS FOR ALL COLUMNS")
+ sql("ANALYZE TABLE t2 COMPUTE STATISTICS FOR ALL COLUMNS")
+ sql("set spark.sql.cbo.enabled=true")
+
+ val df = sql(
+ """
+ |WITH max_store_sales AS
+ |(
+ | SELECT max(csales) tpcds_cmax
+ | FROM (
+ | SELECT sum(b) csales
+ | FROM t1 WHERE a < 100
+ | ) x
+ |),
+ |best_ss_customer AS
+ |(
+ | SELECT c
+ | FROM t2
+ | WHERE d > (SELECT * FROM max_store_sales)
+ |)
+ |SELECT c FROM best_ss_customer
+ |""".stripMargin)
+ val optimizedPlan = df.queryExecution.optimizedPlan
+ optimizedPlan.stats
+ val subqueryExpression = new ArrayBuffer[SubqueryExpression]()
Review comment:
nit `ArrayBuffer.empty[SubqueryExpression]`
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