Github user wangyum commented on a diff in the pull request:
https://github.com/apache/spark/pull/22903#discussion_r229649065
--- Diff:
sql/hive-thriftserver/src/test/scala/org/apache/spark/sql/hive/thriftserver/SparkMetadataOperationSuite.scala
---
@@ -0,0 +1,103 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.spark.sql.hive.thriftserver
+
+import java.util.Properties
+
+import org.apache.hive.jdbc.{HiveConnection, HiveQueryResultSet, Utils =>
JdbcUtils}
+import org.apache.hive.service.auth.PlainSaslHelper
+import org.apache.hive.service.cli.thrift._
+import org.apache.thrift.protocol.TBinaryProtocol
+import org.apache.thrift.transport.TSocket
+
+class SparkMetadataOperationSuite extends HiveThriftJdbcTest {
+
+ override def mode: ServerMode.Value = ServerMode.binary
+
+ test("Spark's own GetSchemasOperation(SparkGetSchemasOperation)") {
+ def testGetSchemasOperation(
--- End diff --
This test mimic [HiveDatabaseMetaData.
getSchemas()](https://github.com/apache/hive/blob/7c9689a9f5625b4b17f3ea6dc275bd55442407f3/jdbc/src/java/org/apache/hive/jdbc/HiveDatabaseMetaData.java#L562-L588).
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