Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/19452#discussion_r144450136
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/streaming/StreamingSymmetricHashJoinHelperSuite.scala
---
@@ -0,0 +1,118 @@
+/*
+ * 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.streaming
+
+import org.apache.spark.sql.Column
+import org.apache.spark.sql.catalyst.analysis.SimpleAnalyzer
+import org.apache.spark.sql.catalyst.expressions.AttributeReference
+import org.apache.spark.sql.execution.{LeafExecNode, LocalTableScanExec,
SparkPlan}
+import org.apache.spark.sql.execution.columnar.InMemoryTableScanExec
+import
org.apache.spark.sql.execution.streaming.StreamingSymmetricHashJoinHelper.JoinConditionSplitPredicates
+import org.apache.spark.sql.types.DataTypes
+
+class StreamingSymmetricHashJoinHelperSuite extends StreamTest {
+ import org.apache.spark.sql.functions._
+
+ val attributeA = AttributeReference("a", DataTypes.IntegerType)()
--- End diff --
nit: just importing `org.apache.spark.sql.types._` is sufficient to use
`IntegerType`, dont need `DataTypes.IntegerType`
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