wip datetimeparts fixes

Signed-off-by: Joe Isaacs <[email protected]>

Author: joseph-isaacs

encodings/datetime-parts/src/array.rs

@@ -12,7 +12,6 @@ use vortex_array::ArrayHash;
 use vortex_array::ArrayRef;
 use vortex_array::Canonical;
 use vortex_array::DeserializeMetadata;
-use vortex_array::IntoArray;
 use vortex_array::Precision;
 use vortex_array::ProstMetadata;
 use vortex_array::SerializeMetadata;

encodings/datetime-parts/src/compute/rules.rs

@@ -20,6 +20,8 @@ use crate::DateTimePartsVTable;
 pub(crate) const PARENT_RULES: ParentRuleSet<DateTimePartsVTable> =
     ParentRuleSet::new(&[ParentRuleSet::lift(&DTPFilterPushDownRule)]);
 
+/// Push the filter into the days column of a date time parts, we could extend this to other fields
+/// but its less clear if that is beneficial.
 #[derive(Debug)]
 struct DTPFilterPushDownRule;