Today, We want to share with you Eloquent Left Join Queries in Laravel.In this post we will show you Laravel Query Builder Helpers – joins and unions, hear for TABLE JOINS (INNER, leftJoin, rightJoin, AND OUTER JOINS) we will give you demo and example for implement.In this post, we will learn about laravel leftjoin multiple conditions with an example.
Eloquent Left Join Queries in Laravel
There are the Following The simple About Eloquent right join queries in Laravel Full Information With Example and source code.
As I will cover this Post with live Working example to develop join query in laravel with model, so the laravel update query with join is used for this example is following below.
perform a “left join” or “right join” instead of an “inner join“, use the leftJoin or rightJoin methods.
Laravel Eloquent Query Builder Helpers – joins
Left Join Clause
Doctor::leftJoin('hospitals', 'hospitals.doctor_id', '=', 'doctors.id')
->select('doctors.*')
->get();
using DB Object
DB::table('doctors')
->leftJoin('profile', 'doctors.id', '=', 'profile.doctor_id')
->get();
example #1: left join
in model
public function patients()
{
return DB::table('patients')
->leftJoin('doctors', 'doctors.id', '=', 'patients.doctor_id')
->where('patients.name', '=', 9898)
->get();
}
this SQL code.
select * from `patients` left join `doctors` on `doctors`.`id` = `patients`.`doctor_id` where `patients`.`name` = 9898
example #2:
produce this SQL code.
//model
public function patients()
{
return DB::table('patients')
->leftJoin('doctors', function ($join)
{
$join->on('doctors.id', '=', 'patients.doctor_id')
->orOn('doctors.id', '=', 'patients.name');
})
->where('patients.name', '=', 9898)
->toSQL();
}
SQL code
select * from `patients` left join `doctors` on `doctors`.`id` = `patients`.`doctor_id` or `doctors`.`id` = `patients`.`name` where `patients`.`name` = 9898
Web Programming Tutorials Example with Demo
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