fn build_expr_from_terms(
terms: &[Term],
denorm_values: &BTreeMap<String, BTreeMap<OrderedF64, Value>>,
) -> Option<PartitionExpr>fn build_expr_from_terms(
terms: &[Term],
denorm_values: &BTreeMap<String, BTreeMap<OrderedF64, Value>>,
) -> Option<PartitionExpr>