Github user wzhfy commented on a diff in the pull request:
https://github.com/apache/spark/pull/18309#discussion_r122499294
--- Diff:
sql/hive/src/test/scala/org/apache/spark/sql/hive/StatisticsSuite.scala ---
@@ -128,6 +129,48 @@ class StatisticsSuite extends
StatisticsCollectionTestBase with TestHiveSingleto
TableIdentifier("tempTable"), ignoreIfNotExists = true, purge =
false)
}
+ test("SPARK-21079 - analyze table with location different than that of
individual partitions") {
+ def queryTotalSize(tableName: String): BigInt =
+
spark.table(tableName).queryExecution.analyzed.stats(conf).sizeInBytes
+
+ withTempPaths(4) { (paths) => paths match {
+ case tablePath :: partitionPaths =>
+ sql(
+ s"""
+ |CREATE TABLE analyzeTable_part (key STRING, value STRING)
PARTITIONED BY (ds STRING)
+ |LOCATION '${tablePath}'
+ """.stripMargin).collect()
+
+ val partitionDates = List("2010-01-01", "2010-01-02", "2010-01-03")
+ partitionDates.zip(partitionPaths).foreach(p => {
+ val ds = p._1
+ val path = p._2
+ sql(
+ s"""
+ |ALTER TABLE analyzeTable_part ADD PARTITION (ds='${ds}')
+ |LOCATION '${path.toString}'
+ """.stripMargin).collect()
+ sql(
+ s"""
+ |INSERT INTO TABLE analyzeTable_part PARTITION (ds='${ds}')
+ |SELECT * FROM src
+ """.
+ stripMargin).collect()
+ }
+ )
+
+ // Modify table location to not match location of individual
partitions
+ sql("ALTER TABLE analyzeTable_part SET LOCATION
'file:/do/not/use'").collect()
+
+ sql("ANALYZE TABLE analyzeTable_part COMPUTE STATISTICS noscan")
+
+ assert(queryTotalSize("analyzeTable_part") === BigInt(17436))
+
+ sql("DROP TABLE analyzeTable_part").collect()
--- End diff --
use `withTable` to include the test, then we don't need to drop table
explicitly.
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