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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