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

Timestamp:

10/21/2017 01:21:24 PM (8 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/upgrade.php (modified) (1 diff)

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

@@ -1747 +1747 @@
     global $wp_current_db_version, $wpdb;
 
-    // Always.
-    if ( is_main_network() ) {
-        /*
-         * 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->sitemeta a, $wpdb->sitemeta b
-            WHERE a.meta_key LIKE %s
-            AND a.meta_key NOT LIKE %s
-            AND b.meta_key = CONCAT( '_site_transient_timeout_', SUBSTRING( a.meta_key, 17 ) )
-            AND b.meta_value < %d";
-        $wpdb->query( $wpdb->prepare( $sql, $wpdb->esc_like( '_site_transient_' ) . '%', $wpdb->esc_like ( '_site_transient_timeout_' ) . '%', $time ) );
-    }
+    // Always clear expired transients
+    delete_expired_transients( true );
 
     // 2.8.