Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/22009#discussion_r208095752
--- Diff:
sql/core/src/test/java/test/org/apache/spark/sql/sources/v2/JavaBatchDataSourceV2.java
---
@@ -1,114 +0,0 @@
-/*
- * 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 test.org.apache.spark.sql.sources.v2;
-
-import java.io.IOException;
-import java.util.List;
-
-import org.apache.spark.sql.execution.vectorized.OnHeapColumnVector;
-import org.apache.spark.sql.sources.v2.DataSourceOptions;
-import org.apache.spark.sql.sources.v2.DataSourceV2;
-import org.apache.spark.sql.sources.v2.ReadSupport;
-import org.apache.spark.sql.sources.v2.reader.*;
-import org.apache.spark.sql.types.DataTypes;
-import org.apache.spark.sql.types.StructType;
-import org.apache.spark.sql.vectorized.ColumnVector;
-import org.apache.spark.sql.vectorized.ColumnarBatch;
-
-
-public class JavaBatchDataSourceV2 implements DataSourceV2, ReadSupport {
--- End diff --
This is renamed to `JavaColumnarDataSourceV2`, to avoid confusion about
batch vs streaming.
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