Get aggregation info for group by queries.
If NULL, aggregation is not allowed.
File
- drupal/core/modules/views/lib/Drupal/views/Plugin/views/query/QueryPluginBase.php, line 93
- Definition of Drupal\views\Plugin\views\query\QueryPluginBase.
Class
- QueryPluginBase
- @todo.
Namespace
Drupal\views\Plugin\views\query
Code
function get_aggregation_info() {
}