Updated comment

ext_model/src/note_model/mod.rs

@@ -45,7 +45,8 @@ impl NoteResolveMode {
         match self {
             NoteResolveMode::Single(id) => Ok(id_col.eq(id)),
             NoteResolveMode::Multiple(ids) => Ok(id_col.is_in(ids)),
-            // We add a CTE for pins
+            // We do this in a separate query, because before we used an inner join, and it caused
+            // a massive performance penalty
             NoteResolveMode::PinsFromUserId(user_id) => {
                 let cte_query = user_note_pining::Entity::find()
                     .column(user_note_pining::Column::NoteId)