# HG changeset patch
# User jbe
# Date 1571504124 -7200
# Node ID a886e263b534cae593cf37e5a060896c413e777b
# Parent  99a0f1165ef86b33c623474af10eb0d1c40e0d23
Bugfix regarding 1:1 relations: allow setting one class as primary class (needed to avoid endless recursion in foreign key lookups)

diff -r 99a0f1165ef8 -r a886e263b534 libraries/mondelefant/mondelefant.lua
--- a/libraries/mondelefant/mondelefant.lua	Sat Oct 19 17:59:28 2019 +0200
+++ b/libraries/mondelefant/mondelefant.lua	Sat Oct 19 18:55:24 2019 +0200
@@ -1464,6 +1464,7 @@
 db_class =                                        -- same class returned
 <db_class>:add_reference{
   mode                  = mode,                   -- "11", "1m", "m1", or "mm" (one/many to one/many)
+  primary               = primary,                -- only needed if mode=="11": set to true only in the referenced (not in the referencing) class
   to                    = to,                     -- referenced class (model), optionally as string or function returning the value (avoids autoload)
   this_key              = this_key,               -- name of key in this class (model)
   that_key              = that_key,               -- name of key in the other class (model) ("to" argument)
@@ -1482,6 +1483,7 @@
 function class_prototype:add_reference(args)
   local selector_generator    = args.selector_generator
   local mode                  = args.mode
+  local primary               = args.primary
   local to                    = args.to
   local this_key              = args.this_key
   local that_key              = args.that_key
@@ -1573,7 +1575,7 @@
       return selector
     end
   }
-  if mode == "m1" or mode == "11" then
+  if mode == "m1" or (mode == "11" and not primary) then
     self.foreign_keys[this_key] = ref
   end
   return self