adriangb commented on code in PR #21157:
URL: https://github.com/apache/datafusion/pull/21157#discussion_r3035913761


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datafusion-examples/examples/data_io/parquet_index.rs:
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@@ -462,7 +462,7 @@ impl PruningStatistics for ParquetMetadataIndex {
     }
 
     /// return the row counts for each file
-    fn row_counts(&self, _column: &Column) -> Option<ArrayRef> {
+    fn row_counts(&self) -> Option<ArrayRef> {

Review Comment:
   This ends up having a lot of ramifications. IMO the existing API is flawed 
and we should fix it. I'm happy to do this in an isolated PR, but it does make 
the rest of this work much simpler.



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