code: protected function metaSelect(Builder $query, ArgumentBag $args)
      {
          $columns = $args->get('columns');
  
          foreach ($columns as $key => $column) {
              list($column, $alias) = $this->extractColumnAlias($column);
  
              if ($this->hasColumn($column)) {
                  $select = "{$this->getTable()}.{$column}";
  
                  if ($column !== $alias) {
                      $select .= " as {$alias}";
                  }
  
                  $columns[$key] = $select;
              } elseif (is_string($column) && $column != '*' && strpos($column, '.') === false) {
                  $table = $this->joinMeta($query, $column);
  
                  $columns[$key] = "{$table}.meta_value as {$alias}";
              }
          }
  
          $args->set('columns', $columns);
      }
docs: Adjust meta columns for select statement.
  
  @param  \Sofa\Eloquence\Builder $query
  @param  \Sofa\Hookable\Contracts\ArgumentBag $args
  @return void