apply_filters_ref_array( 'posts_distinct_request', string $distinct, WP_Query $query )

3100			 *3101			 * @since 2.5.03102			 *3103			 * @param string   $distinct The DISTINCT clause of the query.3104			 * @param WP_Query $query    The WP_Query instance (passed by reference).3105			 */3106			$distinct = apply_filters_ref_array( 'posts_distinct_request', array( $distinct, &$this ) );3107 3108			/**3109			 * Filters the SELECT clause of the query.3110			 *3111			 * For use by caching plugins.3112			 *