X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/08bd1688ee10b0eb9b474c235f92e6ea17365fa0..e9c2c648846bac98960b9387c36c89a18b34e4d2:/lib/migrate.rb

diff --git a/lib/migrate.rb b/lib/migrate.rb
index 488c6d3d2..392060b60 100644
--- a/lib/migrate.rb
+++ b/lib/migrate.rb
@@ -98,6 +98,10 @@ module ActiveRecord
       def alter_primary_key(table_name, new_columns)
         execute("alter table #{table_name} drop primary key, add primary key (#{new_columns.join(',')})")
       end
+
+      def interval_constant(interval)
+        "'#{interval}'"
+      end
     end
 
     class PostgreSQLAdapter
@@ -150,6 +154,10 @@ module ActiveRecord
       def alter_primary_key(table_name, new_columns)
         execute "alter table #{table_name} drop constraint #{table_name}_pkey; alter table #{table_name} add primary key (#{new_columns.join(',')})"
       end
+
+      def interval_constant(interval)
+        "'#{interval}'::interval"
+      end
     end
   end
 end