Invalid parameter number error using DataTables with Laravel - mysql

Question

When DataTables tries to get data, it always gets tripped up on this Eloquent query:
$items = Item::select([
DB::raw("images.url AS image"),
'items.id',
'items.sku',
'items.quantity',
DB::raw("IF(items.enabled, 'Yes', 'No') AS enabled")
])
->leftJoin('images', function ($j) {
$j->on('images.imageable_id', '=', 'items.id')
->where('images.imageable_type', '=', 'Item');
})
->leftJoin('order_items', 'items.id', '=', 'order_items.item_id')
->leftJoin('orders', 'orders.id', '=', 'order_items.order_id')
->where('items.store_id', 1)
->whereNull('items.deleted_at')
->whereIn('items.status', ['active', 'submitted'])
->groupBy('items.id');
The query works just fine as is and returns the desired results. However, DataTables tries to transform it into the following which produces the error:
select count(*) as aggregate from (select '1' as row from `items` left join `images` on `images`.`imageable_id` = `items`.`id` and `images`.`imageable_type` = 1 left join `order_items` on `items`.`id` = `order_items`.`item_id` left join `orders` on `orders`.`id` = `order_items`.`order_id` where `items`.`store_id` = 1 and `items`.`deleted_at` is null group by `items`.`id`) AS count_row_table
This produces this error specifically:
SQLSTATE[HY093]: Invalid parameter number
/home/vagrant/Projects/test.dev/vendor/laravel/framework/src/Illuminate/Database/Connection.php#301
When I execute that query directly on the MySQL database, it has no problem. This seems to be happening within Laravel only.
If I remove the ->leftJoin('images', function ($j) {...} part of the query then there is no error, but I need that join for the image.
How to get around this error?
Full error output returned to DataTables over AJAX:
{
"error":{
"type":"Illuminate\\Database\\QueryException",
"message":"SQLSTATE[HY093]: Invalid parameter number (SQL: select count(*) as aggregate from (select '1' as row from `items` left join `images` on `images`.`imageable_id` = `items`.`id` and `images`.`imageable_type` = 1 left join `order_items` on `items`.`id` = `order_items`.`item_id` left join `orders` on `orders`.`id` = `order_items`.`order_id` where `items`.`store_id` = active and `items`.`deleted_at` is null and `items`.`status` in (submitted, ?) group by `items`.`id`) AS count_row_table)",
"file":"\/home\/vagrant\/Projects\/test.dev\/vendor\/laravel\/framework\/src\/Illuminate\/Database\/Connection.php",
"line":625
}
}

Answer 1

I have had a similar issue today, not with DataTables but with a complex query being built using the standalone query builder. The issue was similar to yours with the left join, passing a closure to build a more complex join condition. I was using a where condition after the "on".
The solution was to chain "on" calls:
->leftJoin('images', function ($j) {
$j->on('images.imageable_id', '=', 'items.id')
// note the "on" rather than the "where" and the use of a raw statement
->on('images.imageable_type', '=', DB::raw('Item'));
})

Answer 2

I had this exact issue. The work around is not perfect since it will basically grab all the data twice, but it's the only way I could get it to work.
You have to do a ->get(); before sending it to ->make();. I honestly hope someone finds the right solution but for now:
Temp solution:
$data = DB::table('some_table');
$data->leftJoin('some_other_table', function($join)
{
$join->on('some_table.id', '=', 'some_other_table.id')
->where('some_table.something', '=', 'some_value');
});
$data->get();
return Datatables::of($data)->make();
This is with using the datatables package for Laravel: https://github.com/bllim/laravel4-datatables-package