1 files changed, 6 insertions, 3 deletions
diff --git a/activerecord/test/active_record/connection_adapters/fake_adapter.rb b/activerecord/test/active_record/connection_adapters/fake_adapter.rb
index 64cde143a1..49a68fb94c 100644
--- a/activerecord/test/active_record/connection_adapters/fake_adapter.rb
+++ b/activerecord/test/active_record/connection_adapters/fake_adapter.rb
@@ -22,15 +22,14 @@ module ActiveRecord
       end
 
       def primary_key(table)
-        @primary_keys[table]
+        @primary_keys[table] || "id"
       end
 
       def merge_column(table_name, name, sql_type = nil, options = {})
         @columns[table_name] << ActiveRecord::ConnectionAdapters::Column.new(
           name.to_s,
           options[:default],
-          lookup_cast_type(sql_type.to_s),
-          sql_type.to_s,
+          fetch_type_metadata(sql_type),
           options[:null])
       end
 
@@ -38,6 +37,10 @@ module ActiveRecord
         @columns[table_name]
       end
 
+      def table_exists?(*)
+        true
+      end
+
       def active?
         true
       end