Module utils 

Structs

BinnedMetricsExtractor

ParquetHelper

Now that we have at least 2 metric types that calculate avg, lower_bound, and upper_bound as part of their stats, it makes sense to implement a generic trait that we can use.

Functions

create_attr_match_udf

Create the match_attr ScalarUDF using the DataFusion 52 ScalarUDFImpl API.

match_attr_expr

Build a DataFusion Expr that calls match_attr(search_blob, pattern).