Github user wzhfy commented on a diff in the pull request:
https://github.com/apache/spark/pull/18421#discussion_r125153235
--- Diff:
sql/hive/src/test/scala/org/apache/spark/sql/hive/StatisticsSuite.scala ---
@@ -201,6 +202,193 @@ class StatisticsSuite extends
StatisticsCollectionTestBase with TestHiveSingleto
}
}
+ test("analyze single partition") {
+ val tableName = "analyzeTable_part"
+
+ def queryStats(ds: String): CatalogStatistics = {
+ val partition =
+
spark.sessionState.catalog.getPartition(TableIdentifier(tableName), Map("ds" ->
ds))
+ partition.stats.get
+ }
+
+ withTable(tableName) {
+ sql(s"CREATE TABLE $tableName (key STRING, value STRING) PARTITIONED
BY (ds STRING)")
+
+ sql(s"INSERT INTO TABLE $tableName PARTITION (ds='2010-01-01')
SELECT * FROM src")
+ sql(
+ s"""
+ |INSERT INTO TABLE $tableName PARTITION (ds='2010-01-02')
+ |SELECT * FROM src
+ |UNION ALL
+ |SELECT * FROM src
+ """.stripMargin)
+ sql(s"INSERT INTO TABLE $tableName PARTITION (ds='2010-01-03')
SELECT * FROM src")
+
+ sql(s"ANALYZE TABLE $tableName PARTITION (ds='2010-01-01') COMPUTE
STATISTICS").collect()
--- End diff --
no need to call `collect()` here.
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