[GitHub] [arrow] pitrou commented on a diff in pull request #12775: ARROW-16006: [C++] Row conversion helpers and example

[GitBox <gi...@apache.org>]

pitrou commented on code in PR #12775:
URL: https://github.com/apache/arrow/pull/12775#discussion_r893427486


##########
cpp/src/arrow/row_conversion.h:
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@@ -0,0 +1,192 @@
+// 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.
+
+#include "arrow/record_batch.h"
+#include "arrow/table.h"
+#include "arrow/util/iterator.h"
+
+namespace arrow {
+
+/// \brief Base class for Arrow to row converter.
+///
+/// To use, specialize the conversion for a particular row type.

Review Comment:
   Hmm... so that means that for a given RowType I cannot implement two different converters (for different actual formats) because symbols would clash. That sounds a bit limiting.



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