我对以下db :: insert命令有问题。 我想在mysql查询中的()部分中使用数组,但是逗号已转义。我该如何解决这个问题?
$users = [435,1671,429];
$list = implode("','", $users);
DB::insert("insert into ".
"rejections (calendar_id, user_id, note, status) ".
"select id as calendar_id, ?, concat(?), concat(?) ".
"from calendar ".
"where DATE(_date) BETWEEN ? AND ? and user_id in (?)", [$admin, $note, $status, $start_date, $end_date, $list]
);
mysql_log:2019-05-30T16:28:51.221007Z 1815执行拒绝插入(calendar_id,user_id,note,status)选择id作为calendar_id,2416,concat('Comment'),concat(1) DATE(_date)在'2019-05-01'和'2019-05-31'之间以及(_435 \,\'1671 \',\'429')中的user_id
答案 0 :(得分:0)
一种快速(又肮脏)的解决方法是删除implode()
中的单引号,并使用FIND_IN_SET()
而不是IN()
:
$users = [435,1671,429];
$list = implode(",", $users);
DB::insert("insert into ".
"rejections (calendar_id, user_id, note, status) ".
"select id as calendar_id, ?, concat(?), concat(?) ".
"from calendar ".
"where DATE(_date) BETWEEN ? AND ? and find_in_set(user_id, ?)"
, [$admin, $note, $status, $start_date, $end_date, $list]);
请注意,这可能会比较慢,因为无法使用user_id
上的索引。
如果要在查询中使用IN()
,则需要为每个用户使用一个占位符:
IN (?,?,?)
并绑定每个用户ID
[$admin, $note, $status, $start_date, $end_date, $list[0], $list[1], $list[2]]
由于您可能事先不知道uf用户的数量,因此可以使用以下方式:
$users = [435,1671,429];
$usersPlaceholders = array_map(function($id) { return '?'; }, $users);
$usersPlaceholders = implode(',', $usersPlaceholders);
$params = array_merge([$admin, $note, $status, $start_date, $end_date], $users);
DB::insert("
insert into rejections (calendar_id, user_id, note, status)
select id as calendar_id, ?, concat(?), concat(?)
from calendar
where DATE(_date) BETWEEN ? AND ? and user_id in ($usersPlaceholders)
", $params);