fixes #2133

app/models/comment.rb

@@ -45,7 +45,7 @@ class Comment < ActiveRecord::Base
     end
 
     def search(params)
-      q = scoped
+      q = where("true")
       return q if params.blank?
 
       if params[:body_matches].present?
@@ -139,9 +139,9 @@ class Comment < ActiveRecord::Base
   end
 
   def update_last_commented_at_on_create
-    Post.update_all(["last_commented_at = ?", created_at], ["id = ?", post_id])
+    Post.where(:id => post_id).update_all(:last_commented_at => created_at)
     if Comment.where("post_id = ?", post_id).count <= Danbooru.config.comment_threshold && !do_not_bump_post?
-      Post.update_all(["last_comment_bumped_at = ?", created_at], ["id = ?", post_id])
+      Post.where(:id => post_id).update_all(:last_comment_bumped_at => created_at)
     end
     true
   end
@@ -149,16 +149,16 @@ class Comment < ActiveRecord::Base
   def update_last_commented_at_on_destroy
     other_comments = Comment.where("post_id = ? and id <> ?", post_id, id).order("id DESC")
     if other_comments.count == 0
-      Post.update_all("last_commented_at = NULL", ["id = ?", post_id])
+      Post.where(:id => post_id).update_all(:last_commented_at => nil)
     else
-      Post.update_all(["last_commented_at = ?", other_comments.first.created_at], ["id = ?", post_id])
+      Post.where(:id => post_id).update_all(:last_commented_at => other_comments.first.created_at)
     end
 
     other_comments = other_comments.where("do_not_bump_post = FALSE")
     if other_comments.count == 0
-      Post.update_all("last_comment_bumped_at = NULL", ["id = ?", post_id])
+      Post.where(:id => post_id).update_all(:last_comment_bumped_at => nil)
     else
-      Post.update_all(["last_comment_bumped_at = ?", other_comments.first.created_at], ["id = ?", post_id])
+      Post.where(:id => post_id).update_all(:last_comment_bumped_at => other_comments.first.created_at)
     end
 
     true