Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/19982#discussion_r157113164
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/TPCHQuerySuite.scala
---
@@ -0,0 +1,122 @@
+/*
+ * 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
+
+import org.apache.spark.sql.catalyst.rules.RuleExecutor
+import org.apache.spark.sql.catalyst.util.resourceToString
+import org.apache.spark.util.Utils
+
+/**
+ * This test suite ensures all the TPC-H queries can be successfully
analyzed, optimized
+ * and compiled without hitting the max iteration threshold.
+ */
+class TPCHQuerySuite extends BenchmarkQueryTest {
+
+ /**
+ * Drop all the tables
+ */
+ protected override def afterAll(): Unit = {
--- End diff --
yea we don't need to overwrite it here.
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