If you have any comments or suggestion, or you find any mistake please let me know by submitting a comment below. It looks fairly simple but using the same method you can optimize the complex queries dealing with multiple tables. You know have a better understanding of how left join works and you can combine the query to make a single request to the database. Finally, we use first() method, which ensures that once it finds a single category which statisfy the requirement, it will resturn the category name instantly.We select the product id and category name.First query grabbed the Product model which provides us with the access to the catgeory attribute. Next, we join the results with category table using the category to product’s category.Firstly we target the product based on the productId, exactly same query as the first one.>select('product.id','category.name')->first() >leftJoin('category', 'product.category', '=', 'category.id') Like toArray, the toJson method is recursive, so all attributes and relations will be converted to JSON. So for this here we have use Eloquent model for join multiple table in Laravel framework. $productCategory = Product::where('id', $productId) To convert a model to JSON, you should use the toJson method. Under this post we have use Eloquent model in place of simple Laravel join, this is because Laravel Eloquent model is more effective that simple Laravel join while we have to fetch data from multiple table in single query. Digamber A Full-stack developer with a passion to solve real world problems through functional programming.
#Laravel model join code#
Let’s improve this code example by combining both requests into a single query. The Bottom Line I hope it will give you some clear and more precious understanding of working with laravel join queries. we almost require left join everywhere in project because of related table. you can easily use left join in laravel 6 and laravel 7 version.
#Laravel model join how to#
The first query must return before the second query can be triggered. If you are new in laravel and you don't know how to write left join in laravel application, then i will help you how to make left join in laravel application. $productCategory = Category::where('id', $product->category_id)->pluck('name')->first() Ībove code example is simple enough to understand but it uses two separate calls to the database. $product = Product::where('id', $productId)->first() ProblemĬonsider the sample code below, which use the Product and Category table to return the category name.
In this post, I will walk you through a very simple example to refactor a query and improve the database response time. In this tutorial, we will show you what types of joins in laravel 9,8 and how to use theme. To improve the performance of your application you have to refactor your queries and keep an eye on the memory consuming queries by using the ORM like Laravel Eloquent. Laravel applications which depend heavily on database interaction using Laravel Eloquent often create performance issues.
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