alamb commented on code in PR #21480:
URL: https://github.com/apache/datafusion/pull/21480#discussion_r3068198224
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datafusion/datasource-parquet/src/opener.rs:
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@@ -772,12 +772,22 @@ impl MetadataLoadedParquetOpen {
prepared.physical_file_schema = Arc::clone(&physical_file_schema);
// Build predicates for this specific file
- let (pruning_predicate, page_pruning_predicate) =
build_pruning_predicates(
+ let pruning_predicate = build_pruning_predicates(
Review Comment:
It is actually pretty tricky to avoid the pruning predicate/ page indexes
in general
I think @adriangb 's suggestion to cache them is probably a more effectve
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