Github user gatorsmile commented on a diff in the pull request: https://github.com/apache/spark/pull/18309#discussion_r123163000 --- Diff: sql/hive/src/test/scala/org/apache/spark/sql/hive/StatisticsSuite.scala --- @@ -128,6 +129,45 @@ 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 + + val tableName = "analyzeTable_part" + withTable(tableName) { + withTempPaths(4) { + case tablePath :: partitionPaths => + sql( + s""" + |CREATE TABLE ${tableName} (key STRING, value STRING) PARTITIONED BY (ds STRING) + |LOCATION '${tablePath}' + """. + stripMargin).collect() + + val partitionDates = List("2010-01-01", "2010-01-02", "2010-01-03") + partitionDates.zip(partitionPaths).foreach { + case (ds, path) => + sql( + s""" + |ALTER TABLE ${tableName} ADD PARTITION (ds='${ds}') + |LOCATION '${path.toString}' + """. + stripMargin).collect() + sql( + s""" + |INSERT INTO TABLE ${tableName} PARTITION (ds='${ds}') + |SELECT * FROM src + """. + stripMargin).collect() + } + + sql(s"ANALYZE TABLE ${tableName} COMPUTE STATISTICS noscan") + + assert(queryTotalSize(tableName) === BigInt(17436)) --- End diff -- We do not need such complex test cases for verifying the fix by this PR. In the future, if needed, we can add this
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