Make subtitle an HTML element.
[rails.git] / lib / migrate.rb
index 05b3c90f24da86a9cf541ec9cf60c7e90c9c7520..50ba6321dc24ffea9e7388137433f1b370e51f4c 100644 (file)
@@ -21,6 +21,11 @@ module ActiveRecord
          "REFERENCES #{reftbl} (#{quote_column_names(refcol || column_name)})"
       end
 
+      def remove_foreign_key(table_name, column_name, reftbl, refcol = nil)
+        execute "ALTER TABLE #{table_name} DROP " +
+          "CONSTRAINT #{table_name}_#{column_name[0]}_fkey"
+      end
+
       alias_method :old_options_include_default?, :options_include_default?
 
       def options_include_default?(options)