lidavidm commented on code in PR #36675:
URL: https://github.com/apache/arrow/pull/36675#discussion_r1263031617


##########
cpp/src/parquet/arrow/reader.h:
##########
@@ -145,22 +145,6 @@ class PARQUET_EXPORT FileReader {
   virtual ::arrow::Status ReadColumn(int i,
                                      std::shared_ptr<::arrow::ChunkedArray>* 
out) = 0;
 
-  // NOTE: Experimental API
-  // Reads a specific top level schema field into an Array
-  // The index i refers the index of the top level schema field, which may
-  // be nested or flat - e.g.
-  //
-  // 0 foo.bar
-  //   foo.bar.baz
-  //   foo.qux
-  // 1 foo2
-  // 2 foo3
-  //
-  // i=0 will read the entire foo struct, i=1 the foo2 primitive column etc

Review Comment:
   The docstring might be good to keep as part of ReadColumn? Or does it mean 
something different?



##########
cpp/src/arrow/record_batch_test.cc:
##########
@@ -499,27 +499,27 @@ TEST_F(TestRecordBatchReader, ToTable) {
 ARROW_SUPPRESS_DEPRECATION_WARNING
 TEST_F(TestRecordBatchReader, DeprecatedReadAllToRecordBatches) {

Review Comment:
   Sounds like the entire test may not be needed?



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