advancedxy commented on code in PR #1006:
URL: https://github.com/apache/iceberg-cpp/pull/1006#discussion_r4279586245
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src/iceberg/parquet/parquet_data_util.cc:
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@@ -147,15 +164,17 @@ Result<std::shared_ptr<::arrow::Array>>
ProjectStructArray(
if (projected_field.type()->is_nested()) {
const auto& nested_type =
internal::checked_cast<const NestedType&>(*projected_field.type());
+ // Metadata columns belong to top-level rows; nested fields need no
positions.
ICEBERG_ASSIGN_OR_RAISE(
projected_array,
ProjectNestedArray(parquet_array, output_arrow_type, nested_type,
- field_projection.children, metadata_context,
pool));
+ field_projection.children, metadata_context,
+ /*row_positions=*/nullptr, pool));
Review Comment:
good idea， let me address this
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