viirya commented on code in PR #295:
URL: https://github.com/apache/iceberg-rust/pull/295#discussion_r1582017255
##########
crates/iceberg/src/arrow/reader.rs:
##########
@@ -186,4 +216,399 @@ impl ArrowReader {
Ok(ProjectionMask::leaves(parquet_schema, indices))
}
}
+
+ fn get_row_filter(&self, parquet_schema: &SchemaDescriptor) ->
Result<Option<RowFilter>> {
+ if let Some(predicates) = &self.predicates {
+ let field_id_map = self.build_field_id_map(parquet_schema)?;
+
+ // Collect Parquet column indices from field ids
+ let mut collector = CollectFieldIdVisitor { field_ids: vec![] };
+ visit_predicate(&mut collector, predicates).unwrap();
Review Comment:
Oh, I got your point. I moved `CollectFieldIdVisitor` out of the loop of
`tasks`.
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