array:1[▼0=array:3[▼ “query”=“selectsum(total_left_class_num)asaggregate from student_lesson_progress where student_info_id=?” “bindings”=array:1[▶]“time”=51.48]] 二、需要多个sum laravel中怎么实现下面的SQL select sum(‘profit’),sum(‘order_count’) from products where……;...
}// Finally we will add the proper result column alias to the query and run the subselect// statement against the query builder. Then we will return the builder instance back// to the developer for further constraint chaining that needs to take place on it.$column=$alias??Str::snake(...
laravel 版本是 lts 5.5 StudentLessonProgress::where('student_info_id', $student_info_id) ->sum('total_left_class_num'); 打印sql语句如下: array:1 [▼ 0 => array:3 [▼“query” => “select sum(total_left_class_num) as aggregate from student_lesson_progress where student_info_id ...
直到错误再次出现(在mysql查询窗口上执行此操作,而不是通过laravel代码)还不确定laravel如何处理sql查询...
为此,您可以设置一个直接关系belongsToMany,并将sprint_tasks作为数据透视表
在Laravel中,可以使用withCount方法来获取关联模型的数量。然而,默认情况下,withCount方法无法添加条件。但是我们可以通过使用闭包来实现带有条件的withCount。 具体步骤如下: 首先,确保你已经在模型中定义了与其他模型的关联关系。例如,假设我们有一个Post模型和一个Comment模型,它们之间是一对多的关系。 在需要使用...
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When I add groupBy('date') in the query it groups it by dosent SUM(price) [ { "date": "2016-06-01", "price": "345.00" }, { "date": "2016-06-02", "price": "393.00" } ] php mysql laravel laravel-5 Share Improve this question Follow edited Dec 4, 2017 at 11:57 ku...
Laravel Hash::make() explained First, let us run through a couple of observations in Laravel 4: return Hash::make('test'); $2y$10$ooPG9s1lcwUGYv1nqeyNcO0ccYJf8hlhm5dJXy7xoamvgiczXHB7S return Hash::make('test'); $2y$10$QRgaiS6bpATKKQeT22zGKuHq.edDfXQc2.4B3v.zaN.GtGwoyQuMy ...
This is my problem, i think it is a bug. I have a many-to-many relationship: 1. stocks table 2. receipts table id warehouse_id 1 1 1 2 1 2 3. receipt_stock table receipt_id stocks_id quantity 1 1 2 1 1 1 1 1 4 In Stock model, i have a fu...