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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