sql for mysql compatible

Gemfile.lock

@@ -309,6 +309,7 @@ DEPENDENCIES
   pygments.rb (= 0.2.4)
   rails (= 3.1.1)
   rails-footnotes (~> 3.7.5)
+  rake (= 0.9.2.2)
   rdiscount
   resque
   rspec-rails

app/models/project.rb

@@ -171,7 +171,7 @@ class Project < ActiveRecord::Base
   end
 
   def commit_line_notes(commit)
-    notes.where(:noteable_id => commit.id, :noteable_type => "Commit").where("line_code not null")
+    notes.where(:noteable_id => commit.id, :noteable_type => "Commit").where("line_code is not null")
   end
 
   def has_commits?

db/schema.rb

@@ -13,18 +13,6 @@
 
 ActiveRecord::Schema.define(:version => 20120110180749) do
 
-  create_table "features", :force => true do |t|
-    t.string   "name"
-    t.string   "branch_name"
-    t.integer  "assignee_id"
-    t.integer  "author_id"
-    t.integer  "project_id"
-    t.datetime "created_at"
-    t.datetime "updated_at"
-    t.string   "version"
-    t.integer  "status",      :default => 0, :null => false
-  end
-
   create_table "issues", :force => true do |t|
     t.string   "title"
     t.integer  "assignee_id"