1 files changed, 49 insertions, 4 deletions
diff --git a/activerecord/lib/active_record/type.rb b/activerecord/lib/active_record/type.rb
index e3d6c5957e..2c0cda69d0 100644
--- a/activerecord/lib/active_record/type.rb
+++ b/activerecord/lib/active_record/type.rb
@@ -1,9 +1,7 @@
-require 'active_record/type/decorator'
-require 'active_record/type/mutable'
-require 'active_record/type/numeric'
-require 'active_record/type/time_value'
+require 'active_record/type/helpers'
 require 'active_record/type/value'
 
+require 'active_record/type/big_integer'
 require 'active_record/type/binary'
 require 'active_record/type/boolean'
 require 'active_record/type/date'
@@ -16,6 +14,53 @@ require 'active_record/type/serialized'
 require 'active_record/type/string'
 require 'active_record/type/text'
 require 'active_record/type/time'
+require 'active_record/type/unsigned_integer'
 
+require 'active_record/type/adapter_specific_registry'
 require 'active_record/type/type_map'
 require 'active_record/type/hash_lookup_type_map'
+
+module ActiveRecord
+  module Type
+    @registry = AdapterSpecificRegistry.new
+
+    class << self
+      attr_accessor :registry # :nodoc:
+      delegate :add_modifier, to: :registry
+
+      # Add a new type to the registry, allowing it to be referenced as a
+      # symbol by ActiveRecord::Attributes::ClassMethods#attribute.  If your
+      # type is only meant to be used with a specific database adapter, you can
+      # do so by passing +adapter: :postgresql+. If your type has the same
+      # name as a native type for the current adapter, an exception will be
+      # raised unless you specify an +:override+ option. +override: true+ will
+      # cause your type to be used instead of the native type. +override:
+      # false+ will cause the native type to be used over yours if one exists.
+      def register(type_name, klass = nil, **options, &block)
+        registry.register(type_name, klass, **options, &block)
+      end
+
+      def lookup(*args, adapter: current_adapter_name, **kwargs) # :nodoc:
+        registry.lookup(*args, adapter: adapter, **kwargs)
+      end
+
+      private
+
+      def current_adapter_name
+        ActiveRecord::Base.connection.adapter_name.downcase.to_sym
+      end
+    end
+
+    register(:big_integer, Type::BigInteger, override: false)
+    register(:binary, Type::Binary, override: false)
+    register(:boolean, Type::Boolean, override: false)
+    register(:date, Type::Date, override: false)
+    register(:date_time, Type::DateTime, override: false)
+    register(:decimal, Type::Decimal, override: false)
+    register(:float, Type::Float, override: false)
+    register(:integer, Type::Integer, override: false)
+    register(:string, Type::String, override: false)
+    register(:text, Type::Text, override: false)
+    register(:time, Type::Time, override: false)
+  end
+end