5.0.0 - 严重 - 未处理
// 6.0.13framework 2.0.54think-orm
$query = Db::table('table')->where('id', 3738)->buildSql();
$data = Db::table('table')->order('id','desc')->limit(10)->union($query)->buildSql();
echo $data;
// 运行结果：
( SELECT * FROM `table` UNION ( ( SELECT * FROM `table` WHERE `id` = 3738 ) ) ORDER BY `id` DESC LIMIT 10 )
// 想要的结果：
( SELECT * FROM `table` ORDER BY `id` DESC LIMIT 10) UNION ( SELECT * FROM `table` WHERE `id` = 3738 )
// laravel类似代码对比，laravel版本8.75
// limit和orderByDesc在union前面：
$sql = DB::table('table')->where('id', '=', '3728');
$data = DB::table('table')->limit(10)->orderByDesc('id')->union($sql)->toSql();
// 运行结果
(select * from `table` order by `id` desc limit 10) union (select * from `table` where `id` = ?)
// limit和orderByDesc在union后面：
$sql = DB::table('table')->where('id', '=', '3728');
$data = DB::table('table')->union($sql)->limit(10)->orderByDesc('id')->toSql();
// 运行结果
(select * from `table`) union (select * from `table` where `id` = ?) order by `id` desc limit 10 