fatemehp commented on code in PR #37003:
URL: https://github.com/apache/arrow/pull/37003#discussion_r1283480713
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cpp/src/parquet/file_reader.cc:
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@@ -82,6 +82,28 @@ std::shared_ptr<ColumnReader> RowGroupReader::Column(int i) {
const_cast<ReaderProperties*>(contents_->properties())->memory_pool());
}
+std::shared_ptr<internal::RecordReader> RowGroupReader::RecordReader(
+ int i, bool read_dictionary, bool read_dense_for_nullable) {
+ if (i >= metadata()->num_columns()) {
+ std::stringstream ss;
+ ss << "Trying to read column index " << i << " but row group metadata has
only "
+ << metadata()->num_columns() << " columns";
+ throw ParquetException(ss.str());
+ }
+ const ColumnDescriptor* descr = metadata()->schema()->Column(i);
+
+ std::unique_ptr<PageReader> page_reader = contents_->GetColumnPageReader(i);
+
+ internal::LevelInfo level_info =
internal::LevelInfo::ComputeLevelInfo(descr);
+
+ auto reader = internal::RecordReader::Make(
+ descr, level_info,
+ const_cast<ReaderProperties*>(contents_->properties())->memory_pool(),
Review Comment:
Does not seem necessary, I removed it.
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