Comments for V1 Hive catalog tests

Author: MaxGekk

sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/command/AlterTableAddPartitionSuite.scala

@@ -19,6 +19,10 @@ package org.apache.spark.sql.hive.execution.command
 
 import org.apache.spark.sql.execution.command.v1
 
+/**
+ * The class contains tests for the `ALTER TABLE .. ADD PARTITION` command to check
+ * V1 Hive external table catalog.
+ */
 class AlterTableAddPartitionSuite
     extends v1.AlterTableAddPartitionSuiteBase
     with CommandSuiteBase

sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/command/AlterTableDropPartitionSuite.scala

@@ -19,6 +19,10 @@ package org.apache.spark.sql.hive.execution.command
 
 import org.apache.spark.sql.execution.command.v1
 
+/**
+ * The class contains tests for the `ALTER TABLE .. DROP PARTITION` command to check
+ * V1 Hive external table catalog.
+ */
 class AlterTableDropPartitionSuite
   extends v1.AlterTableDropPartitionSuiteBase
   with CommandSuiteBase

sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/command/AlterTableRenamePartitionSuite.scala

@@ -19,6 +19,10 @@ package org.apache.spark.sql.hive.execution.command
 
 import org.apache.spark.sql.execution.command.v1
 
+/**
+ * The class contains tests for the `ALTER TABLE .. RENAME PARTITION` command to check
+ * V1 Hive external table catalog.
+ */
 class AlterTableRenamePartitionSuite
   extends v1.AlterTableRenamePartitionSuiteBase
   with CommandSuiteBase

sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/command/DropTableSuite.scala

@@ -19,4 +19,7 @@ package org.apache.spark.sql.hive.execution.command
 
 import org.apache.spark.sql.execution.command.v1
 
+/**
+ * The class contains tests for the `DROP TABLE` command to check V1 Hive external table catalog.
+ */
 class DropTableSuite extends v1.DropTableSuiteBase with CommandSuiteBase

sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/command/ShowPartitionsSuite.scala

@@ -20,6 +20,10 @@ package org.apache.spark.sql.hive.execution.command
 import org.apache.spark.sql.{Row, SaveMode}
 import org.apache.spark.sql.execution.command.v1
 
+/**
+ * The class contains tests for the `SHOW PARTITIONS` command to check
+ * V1 Hive external table catalog.
+ */
 class ShowPartitionsSuite extends v1.ShowPartitionsSuiteBase with CommandSuiteBase {
   test("null and empty string as partition values") {
     import testImplicits._

sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/command/ShowTablesSuite.scala

@@ -19,4 +19,7 @@ package org.apache.spark.sql.hive.execution.command
 
 import org.apache.spark.sql.execution.command.v1
 
+/**
+ * The class contains tests for the `SHOW TABLES` command to check V1 Hive external table catalog.
+ */
 class ShowTablesSuite extends v1.ShowTablesSuiteBase with CommandSuiteBase