fix: ensure type_map gets sql type details

In our adapter, we rely on the sql type string for
spatial details to properly map the type to the correct
ActiveRecord type. It was not shared.

Author: BuonOmo

lib/active_record/connection_adapters/cockroachdb/quoting.rb

@@ -59,6 +59,21 @@ def quoted_date(value)
           # This is tested by `BasicsTest#test_default_in_local_time`.
           super + value.strftime("%z")
         end
+
+        # NOTE: This method should be private in future rails versions.
+        #   Hence we should also make it private then.
+        #
+        # See https://github.com/rails/rails/blob/v8.1.1/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb#L190
+        def lookup_cast_type(sql_type)
+          type_map.lookup(
+            # oid
+            query_value("SELECT #{quote(sql_type)}::regtype::oid", "SCHEMA").to_i,
+            # fmod, not needed.
+            nil,
+            # details needed for `..::CockroachDB::OID::Spatial` (e.g. `geometry(point,3857)`)
+            sql_type
+          )
+        end
       end
     end
   end