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author | gatorsmile <gatorsmile@gmail.com> | 2016-04-14 11:03:19 -0700 |
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committer | Andrew Or <andrew@databricks.com> | 2016-04-14 11:03:19 -0700 |
commit | c971aee40d806ed02d3d6a5cc478b63654052e54 (patch) | |
tree | c156f64fa1d0a7bb5ab8e9d276978ab11b100acb /sql | |
parent | 1d04c86fc575470e15f6667076377cea102552d7 (diff) | |
download | spark-c971aee40d806ed02d3d6a5cc478b63654052e54.tar.gz spark-c971aee40d806ed02d3d6a5cc478b63654052e54.tar.bz2 spark-c971aee40d806ed02d3d6a5cc478b63654052e54.zip |
[SPARK-14499][SQL][TEST] Drop Partition Does Not Delete Data of External Tables
#### What changes were proposed in this pull request?
This PR is to add a test to ensure drop partitions of an external table will not delete data.
cc yhuai andrewor14
#### How was this patch tested?
N/A
Author: gatorsmile <gatorsmile@gmail.com>
This patch had conflicts when merged, resolved by
Committer: Andrew Or <andrew@databricks.com>
Closes #12350 from gatorsmile/testDropPartition.
Diffstat (limited to 'sql')
-rw-r--r-- | sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveDDLSuite.scala | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveDDLSuite.scala b/sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveDDLSuite.scala index 249dcdfff5..206d911e0d 100644 --- a/sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveDDLSuite.scala +++ b/sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveDDLSuite.scala @@ -17,6 +17,8 @@ package org.apache.spark.sql.hive.execution +import java.io.File + import org.apache.hadoop.fs.Path import org.apache.spark.sql.{AnalysisException, QueryTest, SaveMode} @@ -126,6 +128,71 @@ class HiveDDLSuite extends QueryTest with SQLTestUtils with TestHiveSingleton { } } + test("add/drop partitions - external table") { + val catalog = hiveContext.sessionState.catalog + withTempDir { tmpDir => + val basePath = tmpDir.getCanonicalPath + val partitionPath_1stCol_part1 = new File(basePath + "/ds=2008-04-08") + val partitionPath_1stCol_part2 = new File(basePath + "/ds=2008-04-09") + val partitionPath_part1 = new File(basePath + "/ds=2008-04-08/hr=11") + val partitionPath_part2 = new File(basePath + "/ds=2008-04-09/hr=11") + val partitionPath_part3 = new File(basePath + "/ds=2008-04-08/hr=12") + val partitionPath_part4 = new File(basePath + "/ds=2008-04-09/hr=12") + val dirSet = + tmpDir :: partitionPath_1stCol_part1 :: partitionPath_1stCol_part2 :: + partitionPath_part1 :: partitionPath_part2 :: partitionPath_part3 :: + partitionPath_part4 :: Nil + + val externalTab = "extTable_with_partitions" + withTable(externalTab) { + assert(tmpDir.listFiles.isEmpty) + sql( + s""" + |CREATE EXTERNAL TABLE $externalTab (key INT, value STRING) + |PARTITIONED BY (ds STRING, hr STRING) + |LOCATION '$basePath' + """.stripMargin) + + // Before data insertion, all the directory are empty + assert(dirSet.forall(dir => dir.listFiles == null || dir.listFiles.isEmpty)) + + for (ds <- Seq("2008-04-08", "2008-04-09"); hr <- Seq("11", "12")) { + sql( + s""" + |INSERT OVERWRITE TABLE $externalTab + |partition (ds='$ds',hr='$hr') + |SELECT 1, 'a' + """.stripMargin) + } + + val hiveTable = catalog.getTableMetadata(TableIdentifier(externalTab, Some("default"))) + assert(hiveTable.tableType == CatalogTableType.EXTERNAL_TABLE) + // After data insertion, all the directory are not empty + assert(dirSet.forall(dir => dir.listFiles.nonEmpty)) + + sql( + s""" + |ALTER TABLE $externalTab DROP PARTITION (ds='2008-04-08'), + |PARTITION (ds='2008-04-09', hr='12') + """.stripMargin) + assert(catalog.listPartitions(TableIdentifier(externalTab)).map(_.spec).toSet == + Set(Map("ds" -> "2008-04-09", "hr" -> "11"))) + // drop partition will not delete the data of external table + assert(dirSet.forall(dir => dir.listFiles.nonEmpty)) + + sql(s"ALTER TABLE $externalTab ADD PARTITION (ds='2008-04-08', hr='12')") + assert(catalog.listPartitions(TableIdentifier(externalTab)).map(_.spec).toSet == + Set(Map("ds" -> "2008-04-08", "hr" -> "12"), Map("ds" -> "2008-04-09", "hr" -> "11"))) + // add partition will not delete the data + assert(dirSet.forall(dir => dir.listFiles.nonEmpty)) + + sql(s"DROP TABLE $externalTab") + // drop table will not delete the data of external table + assert(dirSet.forall(dir => dir.listFiles.nonEmpty)) + } + } + } + test("drop views") { withTable("tab1") { val tabName = "tab1" |