Ticket #63678: 63678.diff

src/wp-includes/class-wpdb.php

@@ -2299 +2299 @@
                         $this->last_error = __( 'Unable to retrieve the error message from the database server' );
                 }
 
+                // User has reached 'max_questions' stop retrying
+                if ( 1226 === $mysql_errno ) {
+                        $message = '<h1>' . __( 'Cannot connect to database' ) . "</h1>\n";
+                        $message .= '<p>' . sprintf( $this->last_error );
+                        wp_die( $message );
+                }
+
                 if ( $this->last_error ) {
                         // Clear insert_id on a subsequent failed insert.
                         if ( $this->insert_id && preg_match( '/^\s*(insert|replace)\s/i', $query ) ) {