Extract an explicit type caster class

1 files changed, 1 insertions, 32 deletions

diff --git a/activerecord/lib/active_record/table_metadata.rb b/activerecord/lib/active_record/table_metadata.rb
index 4293c9704b..11e33e8dfe 100644
--- a/activerecord/lib/active_record/table_metadata.rb
+++ b/activerecord/lib/active_record/table_metadata.rb
@@ -34,7 +34,7 @@ module ActiveRecord
         association_klass = association.klass
         arel_table = association_klass.arel_table
       else
-        type_caster = ConnectionAdapterTypeCaster.new(klass.connection, table_name)
+        type_caster = TypeCaster::Connection.new(klass.connection, table_name)
         association_klass = nil
         arel_table = Arel::Table.new(table_name, type_caster: type_caster)
       end
@@ -50,35 +50,4 @@ module ActiveRecord
 
     attr_reader :klass, :arel_table, :association
   end
-
-  class ConnectionAdapterTypeCaster
-    def initialize(connection, table_name)
-      @connection = connection
-      @table_name = table_name
-    end
-
-    def type_cast_for_database(attribute_name, value)
-      return value if value.is_a?(Arel::Nodes::BindParam)
-      type = type_for(attribute_name)
-      type.type_cast_for_database(value)
-    end
-
-    protected
-
-    attr_reader :connection, :table_name
-
-    private
-
-    def type_for(attribute_name)
-      if connection.schema_cache.table_exists?(table_name)
-        column_for(attribute_name).cast_type
-      else
-        Type::Value.new
-      end
-    end
-
-    def column_for(attribute_name)
-      connection.schema_cache.columns_hash(table_name)[attribute_name.to_s]
-    end
-  end
 end