hook_views_query_alter(ViewExecutable $view, QueryPluginBase $query)
Alter the query before it is executed.
\Drupal\views\ViewExecutable $view: The view object about to be processed.
QueryPluginBase $query: The query plugin object for the query.
hook_views_query_substitutions()
\Drupal\views\Plugin\views\query\Sql
function hook_views_query_alter(ViewExecutable $view, QueryPluginBase $query) { // (Example assuming a view with an exposed filter on node title.) // If the input for the title filter is a positive integer, filter against // node ID instead of node title. if ($view->id() == 'my_view' && is_numeric($view->exposed_raw_input['title']) && $view->exposed_raw_input['title'] > 0) { // Traverse through the 'where' part of the query. foreach ($query->where as &$condition_group) { foreach ($condition_group['conditions'] as &$condition) { // If this is the part of the query filtering on title, chang the // condition to filter on node ID. if ($condition['field'] == 'node.title') { $condition = array( 'field' => 'node.nid', 'value' => $view->exposed_raw_input['title'], 'operator' => '=', ); } } } } }
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https://api.drupal.org/api/drupal/core!modules!views!views.api.php/function/hook_views_query_alter/8.1.x