how to pass select subquery in where clause using laravel - laravel

Question

This is my SQl query
select sum(stock.total_in_stock) as total_in_stock
,stock.name
,stock.inventory_id
from (
select i.store_id
,i.model_id
,i. total_in_stock
,i.id as inventory_id
, m.*
from `inventory` as `i`
left join `model_store` as `ms` on `ms`.`store_id` = `i`.`store_id`
left join `model` as `m` on `m`.`id` = `ms`.`model_id`
where `i`.`model_id` = m.id
and `m`.`status` = 1
and `ms`.`status` = 1
and `i`.`created_at` = (
select si.created_at
from inventory AS si
where si.model_id = i.model_id
and si.store_id = i.store_id
and si.status=1
order by si.created_at desc limit 1
)
) as stock
group by stock.model_id
In laravel, it is written as this:
$results1 = DB::table('inventory as i')
->select(DB::raw( 'sum(stock.total_in_stock) as total_in_stock,stock.name,stock.inventory_id FROM ( SELECT i.store_id,i.model_id,i. total_in_stock,i.id as inventory_id, m.* '))
->leftJoin('model_store as ms','ms.store_id','=','i.store_id')
->leftJoin('model as m','m.id','=','ms.model_id')
->where('i.model_id','=', 'm.id')
->where('m.status','=', '1')
->where('ms.status','=', '1')
->where("i.created_at","=",function($query) {
$query->select(DB::raw("si.created_at FROM inventory AS si WHERE si.model_id = i.model_id AND si.store_id = i.store_id AND si.status=1 ORDER BY si.created_at DESC LIMIT 1)) as stock GROUP BY stock.model_id"));
});
It gives me the following error:-
SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')' at line 1 (SQL: select sum(stock.total_in_stock) as total_in_stock,stock.name,stock.inventory_id FROM ( SELECT i.store_id,i.model_id,i. total_in_stock,i.id as inventory_id, m.* from `inventory` as `i` left join `model_store` as `ms` on `ms`.`store_id` = `i`.`store_id` left join `model` as `m` on `m`.`id` = `ms`.`model_id` where `i`.`model_id` = m.id and `m`.`status` = 1 and `ms`.`status` = 1 and `i`.`created_at` = (select si.created_at FROM inventory AS si WHERE si.model_id = i.model_id AND si.store_id = i.store_id AND si.status=1 ORDER BY si.created_at DESC LIMIT 1 )) as stock GROUP BY stock.model_id))
It takes 2 closing brackets at the end and gives the above error. Please help me writing the above SQL query in laravel.

Answer 1

Answering your question that's in the tile: the subquery where needs fix:
->where("i.created_at", function($query) {
$query->from('inventory as si')
->selectRaw('max(si.created_at)')
->whereRaw('si.model_id = i.model_id AND ...');
});
However, in order to create a subquery in the from clause, you need to pass raw query, so your whole code requires a bit of toSql() and setBindings(...), which is cumbersome.
So to get the answer to your problem, better describe the problem itself instead.