From df5d7e58129ec289261f5d45cecb1d3fdb5c847f Mon Sep 17 00:00:00 2001
From: benibus <bpharks@gmx.com>
Date: Thu, 13 Jul 2023 16:18:18 -0400
Subject: [PATCH] Remove deprecated Parquet APIs

---
 cpp/src/parquet/arrow/reader.cc | 10 ----------
 cpp/src/parquet/arrow/reader.h  | 16 ----------------
 2 files changed, 26 deletions(-)

diff --git a/cpp/src/parquet/arrow/reader.cc b/cpp/src/parquet/arrow/reader.cc
index 855fb5a5a4882..142119b770b8c 100644
--- a/cpp/src/parquet/arrow/reader.cc
+++ b/cpp/src/parquet/arrow/reader.cc
@@ -259,16 +259,6 @@ class FileReaderImpl : public FileReader {
                              reader_->metadata()->key_value_metadata(), out);
   }
 
-  Status ReadSchemaField(int i, std::shared_ptr<ChunkedArray>* out) override {
-    auto included_leaves = VectorToSharedSet(Iota(reader_->metadata()->num_columns()));
-    std::vector<int> row_groups = Iota(reader_->metadata()->num_row_groups());
-
-    std::unique_ptr<ColumnReaderImpl> reader;
-    RETURN_NOT_OK(GetFieldReader(i, included_leaves, row_groups, &reader));
-
-    return ReadColumn(i, row_groups, reader.get(), out);
-  }
-
   Status ReadColumn(int i, const std::vector<int>& row_groups, ColumnReader* reader,
                     std::shared_ptr<ChunkedArray>* out) {
     BEGIN_PARQUET_CATCH_EXCEPTIONS
diff --git a/cpp/src/parquet/arrow/reader.h b/cpp/src/parquet/arrow/reader.h
index 2cbd36176f5e3..2526ac229105c 100644
--- a/cpp/src/parquet/arrow/reader.h
+++ b/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
-  ARROW_DEPRECATED("Deprecated in 9.0.0. Use ReadColumn instead.")
-  virtual ::arrow::Status ReadSchemaField(
-      int i, std::shared_ptr<::arrow::ChunkedArray>* out) = 0;
-
   /// \brief Return a RecordBatchReader of all row groups and columns.
   virtual ::arrow::Status GetRecordBatchReader(
       std::unique_ptr<::arrow::RecordBatchReader>* out) = 0;