Work around the fact that exists? no longer works for models with

no primary key.

diff --git a/app/models/trace.rb b/app/models/trace.rb
index 0e9e7bcc1598df1ffd54f447f18afa75d6fbae1a..d28c2c6f42f98a1bf6bff40b769c9707b0e71515 100644 (file)
--- a/app/models/trace.rb
+++ b/app/models/trace.rb
@@ -183,7 +183,7 @@ class Trace < ActiveRecord::Base
     # If there are any existing points for this trace then delete
     # them - we check for existing points first to avoid locking
     # the table in the common case where there aren't any.
-    if Tracepoint.exists?(['gpx_id = ?', self.id])
+    if Tracepoint.find(:first, :conditions => ['gpx_id = ?', self.id])
       Tracepoint.delete_all(['gpx_id = ?', self.id])
     end