Update diesel/src/query_source/joins.rs

Co-authored-by: Ten0 <[email protected]>
diesel-rs · Aug 25, 2022 · 7829e0d · 7829e0d
1 parent d5fc92b
commit 7829e0d
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/diesel/src/query_source/joins.rs b/diesel/src/query_source/joins.rs
@@ -479,6 +479,7 @@ mod private {
  // The default select clause for joins is always valid assuming that
  // the default select clause of all involved query sources is
  // valid too. We can skip the recursive check here.
+ // This is the main optimization.
  impl<QS, T> SelectableExpression<QS> for SkipSelectableExpressionWrapper<T> where
  Self: AppearsOnTable<QS>
  {