I'm trying to add a left join to this query I've been using to get nPerGroup of related records. I've created the query in SQL just don't know how to convert it to Laravel query builder code. The reason I want to add a left join is for performance pu
During myLaracon US 2019 talk, I made reference to a couple of query builder macros I’ve been using that make it easier to use subqueries in Laravel. I’ve since submitted three pull requests to Laravel to add these to the core framework. Here’s an overview of each: “Select” subque...
$query->mergeBindings($subQuery->getQuery()); $query->get(); 注意合并参数时 $subQuery 必须是 \Illuminate\Database\Query\Builder 类型 如果是 \Illuminate\Database\Eloquent\Builder 类型的,用 getQuery() 方法不用DB::raw() 直接写子查询,是因为查询带比较多的 where 条件和 group by, 而且内层查询...
在本文中,我们将深入探讨Laravel框架中的Builder,它是Laravel查询构造器的核心部分,用于构建和执行数据库查询。Laravel作为一个优雅的PHP框架,它的Builder使得开发者能够以一种简洁、可读性强的方式处理数据库...(转)SQLServer行列转换 Pivot UnPivot 2012-10-17 14:38 3289 PIVOT用于将列值旋转为列名(即行转列),...
Postgres语句EN1、在composer.json文件当中require段添加 “barryvdh/laravel-ide-helper”: “dev-master...
问如何在SubQuery中使用distinct进行选择EN我有一个表名"warga“，表由: id (主键)、no_card、name、...
Laravel 4 115 Level 5 Subscriber phayes0289OP Posted 1 year ago I have a MySQL query that I am trying to convert over to a QueryBuilder version. But it does not like how I did it. Here is my original MySQL query that I know works. ...
show databases出现Ignoring query to other database错误，又试了几个命令和sql全部提示Ignoring query ...