Checking that the record instance responds to the counter setter meth…

…od before calling update_counters
tombenner · May 13, 2012 · c6c17ee · c6c17ee · grosser · May 14, 2012
1 parent e7ac5e5
commit c6c17ee
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/ar_merge.rb b/lib/ar_merge.rb
@@ -21,7 +21,7 @@ def merge!(other, options={})
 
         #update counters, this is very basic/hacky/not secure for customized counters...
         counter = "#{association_name}_count"
-        next unless other.respond_to?(counter)
+        next unless other.respond_to?(counter) && other.respond_to?("#{counter}=")
         self.class.update_counters(id, counter => other.send(counter))
       end