lib/sequel/extensions/columns_introspection.rb in sequel-4.41.0 vs lib/sequel/extensions/columns_introspection.rb in sequel-4.42.0

@@ -26,10 +26,12 @@
     # if there are columns selected, in order to skip a database
     # query to retrieve the columns.  This should work with
     # Symbols, SQL::Identifiers, SQL::QualifiedIdentifiers, and
     # SQL::AliasedExpressions.
     def columns
-      return @columns if @columns
+      if cols = _columns
+        return cols
+      end
       if (pcs = probable_columns) && pcs.all?
         self.columns = pcs
       else
         super
       end