#:db-type-has-fancy-math?
#:db-type-default-case
#:db-type-use-column-on-drop-index?
+ #:db-type-use-fully-qualified-column-on-drop-index?
+ #:db-type-has-intersect?
+ #:db-type-has-except?
#:database-underlying-type
#:database-get-type-specifier
#:read-sql-value