friendlymatthew commented on code in PR #9000:
URL: https://github.com/apache/arrow-rs/pull/9000#discussion_r2646027379
##########
arrow-row/src/lib.rs:
##########
@@ -1951,11 +1956,26 @@ unsafe fn decode_column(
let child_array =
unsafe { converter.convert_raw(&mut sparse_data,
validate_utf8) }?;
+
+ // track bytes consumed for rows that belong to this
field
+ for (row_idx, child_row) in field_rows.iter() {
+ let remaining_len = sparse_data[*row_idx].len();
+ bytes_consumed[*row_idx] = 1 + child_row.len() -
remaining_len;
+ }
Review Comment:
I like it!
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