gbrgr commented on code in PR #1824:
URL: https://github.com/apache/iceberg-rust/pull/1824#discussion_r2490112802
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crates/iceberg/src/scan/mod.rs:
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@@ -280,6 +315,7 @@ impl<'a> TableScanBuilder<'a> {
partition_filter_cache: Arc::new(PartitionFilterCache::new()),
manifest_evaluator_cache: Arc::new(ManifestEvaluatorCache::new()),
expression_evaluator_cache:
Arc::new(ExpressionEvaluatorCache::new()),
+ file_column_position,
Review Comment:
I had the impression that storing it in field_ids, projected_field_ids, etc.
makes things sometimes harder, as before building the arrow batch builder one
needs to filter out those special fields. If one adds more than one such
special fields, the suggestion would be to maybe manage them in a hash map, but
keeping them separate makes sense I think.
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