apply_filters( 'posts_request_ids', string $request, WP_Query $query )

3432				 *3433				 * @since 3.4.03434				 *3435				 * @param string   $request The post ID request.3436				 * @param WP_Query $query   The WP_Query instance.3437				 */3438				$this->request = apply_filters( 'posts_request_ids', $this->request, $this );3439 3440				$post_ids = $wpdb->get_col( $this->request );3441 3442				if ( $post_ids ) {3443					$this->posts = $post_ids;3444					$this->set_found_posts( $query_vars, $limits );