vustef commented on code in PR #7307:
URL: https://github.com/apache/arrow-rs/pull/7307#discussion_r2444804619
##########
parquet/src/arrow/array_reader/builder.rs:
##########
@@ -52,12 +70,13 @@ fn build_reader(
field: &ParquetField,
mask: &ProjectionMask,
row_groups: &dyn RowGroups,
+ row_number_column: Option<&str>,
Review Comment:
Any chance we could also return this column with a field ID specified by the
user? For Iceberg, we would like the field ID to be according to the spec, and
ideally the record batches come already with such schema, rather than having to
post-process them.
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