cetra3 commented on code in PR #20854:
URL: https://github.com/apache/datafusion/pull/20854#discussion_r2914316524
##########
datafusion/datasource-parquet/src/row_filter.rs:
##########
@@ -251,15 +251,26 @@ impl FilterCandidateBuilder {
return Ok(None);
};
+ let schema_descr = metadata.file_metadata().schema_descr();
let root_indices: Vec<_> =
required_columns.required_columns.into_iter().collect();
- let leaf_indices = leaf_indices_for_roots(
- &root_indices,
- metadata.file_metadata().schema_descr(),
+ let mut leaf_indices = leaf_indices_for_roots(&root_indices,
schema_descr);
+
+ let struct_leaf_indices = resolve_struct_field_leaves(
+ &required_columns.struct_field_accesses,
+ &self.file_schema,
+ schema_descr,
);
+ leaf_indices.extend_from_slice(&struct_leaf_indices);
+ leaf_indices.sort_unstable();
Review Comment:
Ok, then is that change needed? I.e, the sort and dedup
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