Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/20953#discussion_r178441740
--- Diff:
sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/ParquetSchemaColumnConvertNotSupportedException.java
---
@@ -0,0 +1,57 @@
+/*
+ * 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.execution.datasources.parquet;
+
+/**
+ * Exception thrown when the parquet reader find column type mismatches.
+ */
+public class ParquetSchemaColumnConvertNotSupportedException extends
RuntimeException {
+
+ /**
+ * Name of the column which cannot be converted.
+ */
+ private String column;
+ /**
+ * Physical column type in the actual parquet file.
+ */
+ private String physicalType;
+ /**
+ * Logical column type in the parquet schema the parquet reader use to
parse all files.
+ */
+ private String logicalType;
+
+ public String getColumn() {
+ return column;
+ }
+
+ public String getPhysicalType() {
+ return physicalType;
+ }
+
+ public String getLogicalType() {
+ return logicalType;
+ }
+
+ public ParquetSchemaColumnConvertNotSupportedException(String column,
String physicalType,
+ String logicalType) {
--- End diff --
indents. Let us follow what we are doing for Scala:
https://github.com/databricks/scala-style-guide#spacing-and-indentation
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