当我这样做时:
$transients = $wpdb->get_col(
"
SELECT option_name
FROM $wpdb->options
WHERE option_name
LIKE \'_transient_wb_tt_%\'
"
);
它工作得很好,但当我使用这样的prepare时:$transients = $wpdb->get_col( $wpdb->prepare(
"
SELECT option_name
FROM %s
WHERE option_name
LIKE \'_transient_wb_tt_%\'
",
$wpdb->options
) );
没用,我做错什么了?