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. Eloquent is a divine boon that is a simple yet powerful way of dealing with records or data in the database. 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.The first argument passed to the join method is the name of the table you need to join to, while the remaining arguments specify the column constraints for the join. composer create-project -prefer-dist laravel/laravel jointable. This command will make jointable directory and under that directory it will download Laravel framework latest version. To perform a basic 'inner join', you may use the join method on a query builder instance. For download fresh copy of Laravel framework, so first we have to into command prompt and run following command. First query grabbed the Product model which provides us with the access to the catgeory attribute. The query builder may also be used to add join clauses to your queries. 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') $productCategory = Product::where('id', $productId) Let’s improve this code example by combining both requests into a single query. The first query must return before the second query can be triggered. ![]() Eloquent is very powerful, but it lacks a bit of the Laravel. ![]() $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. If you are here, you most likely know about and use them. $product = Product::where('id', $productId)->first() ProblemĬonsider the sample code below, which use the Product and Category table to return the category name. You can see the following example of laravel eloquent join() method: Example 1: Laravel Eloquent Join() with 2 Tables. In this post, I will walk you through a very simple example to refactor a query and improve the database response time. 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. We select the product id and category name. Laravel applications which depend heavily on database interaction using Laravel Eloquent often create performance issues.
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