[v1.3.63](https://github.com/ash-project/ash_postgres/compare/v1.3.62...v1.3.63) (2023-12-03)
Bug Fixes:
* use maps for composite_type instead of tuples
* avoid empty error on upserts with `:nothing`
* simplify aggregate bindings & calculation reference building
* hydrate aggregate refs when adding for calculations
* apply limit to `from_many?` relationship joins
* properly add filters for exists aggregates
* properly expand calculation values across aggregate invocations
* don't add filter for `no_attributes?` relationships
* handle `no_attributes?` flag on aggregates better
* properly handle sorted relationships in aggregates
Improvements:
* support `composite_type/2` expression
* support composite types
* optimize relationships with identity on other end
* allow specifying multi-column foreign keys (#180)
* add match_with option on references
* add match_type option on references