query

<?php
/**
 * Debugging using the database connection.
 */
/** @var \Drupal\Core\Database\Connection */
$connection = \Drupal::service('database');
$query = $connection->select('node', 'node');
$query->fields('node', ['nid'])
  ->condition('node.type', 'page')
  
// Debug.
dump($query->__toString());

/**
 * Implements hook_query_QUERY_ID_alter().
 */
function mymodule_query_taxonomy_term_access_alter($query) {
  /** @var \Drupal\Core\Database\Query\Select $query */
  $conditions = &$query->conditions();
  foreach ($conditions as $i => $condition) {
    if (isset($condition['field']) && $condition['field'] === 't.default_langcode') {
      unset($conditions[$i]);
    }
  }
}