Changeset 41963 for trunk/src/wp-admin/includes/schema.php

Timestamp:

10/21/2017 01:21:24 PM (9 years ago)

Author:

dd32

Message:

Transients: Clear expired transients from the database in a daily cron task.

Fixes #41699

File:

• trunk/src/wp-admin/includes/schema.php (modified) (1 diff)

trunk/src/wp-admin/includes/schema.php

@@ -585 +585 @@
         $wpdb->query("DELETE FROM $wpdb->options WHERE option_name REGEXP '^rss_[0-9a-f]{32}(_ts)?$'");
 
-        /*
-         * Deletes all expired transients. The multi-table delete syntax is used
-         * to delete the transient record from table a, and the corresponding
-         * transient_timeout record from table b.
-         */
-        $time = time();
-        $sql = "DELETE a, b FROM $wpdb->options a, $wpdb->options b
-                WHERE a.option_name LIKE %s
-                AND a.option_name NOT LIKE %s
-                AND b.option_name = CONCAT( '_transient_timeout_', SUBSTRING( a.option_name, 12 ) )
-                AND b.option_value < %d";
-        $wpdb->query( $wpdb->prepare( $sql, $wpdb->esc_like( '_transient_' ) . '%', $wpdb->esc_like( '_transient_timeout_' ) . '%', $time ) );
-
-        if ( is_main_site() && is_main_network() ) {
-                $sql = "DELETE a, b FROM $wpdb->options a, $wpdb->options b
-                        WHERE a.option_name LIKE %s
-                        AND a.option_name NOT LIKE %s
-                        AND b.option_name = CONCAT( '_site_transient_timeout_', SUBSTRING( a.option_name, 17 ) )
-                        AND b.option_value < %d";
-                $wpdb->query( $wpdb->prepare( $sql, $wpdb->esc_like( '_site_transient_' ) . '%', $wpdb->esc_like( '_site_transient_timeout_' ) . '%', $time ) );
-        }
+        // Clear expired transients
+        delete_expired_transients( true );
 }