eloquent ruby

Learn about eloquent ruby, we have the largest and most updated eloquent ruby information on alibabacloud.com

Relationship between Eloquent in Laravel 5 framework learning, laraveleloquent

Relationship between Eloquent in Laravel 5 framework learning, laraveleloquent A user may have multiple articles. One article is written by a user. This is the relationship. The same article may contain multiple tags, and one TAG may be associated with multiple articles. In the project, we already have User. php, that is, the User model. It is quite simple to check. We want to get all the articles in the form of $ user-> articles (). Let's modify the

Laravel Five Foundations (11)-Eloquent relationship

Laravel 5 Foundation (11)-Eloquent relationship A user may have multiple articles, an article written by a user, which is a relationship. The same article may contain multiple tags, while a tag may have multiple articles associated with it. In the project, we already have User.php , that is the user model, to look at, quite simple. We want to $user->articles() get all the articles in the form of direct use, let's modify the user model: public fun

Connect multiple databases using the eloquent model of the LARAVEL framework

1. Configure the. env filedb_host_trailer=127.0.0.1db_port_trailer=3306Db_database_trailer=htms_trailerDb_username_trailer=rootDb_password_trailer=db_host_freight=127.0.0.1db_port_freight=3306Db_database_freight=hangli_saasDb_username_freight=rootdb_password_freight=2, Configuration config/database.php' Mysql_freight ' = [' driver ' = ' mysql ', ' host ' = ' env ' (' db_host_freight ', ' Localho St '), ' database ' = env (' db_database_freight ', ' Forge '), ' username ' = env (' Db_username_fre

Laravel 5.1 Document Guide--eloquent: Serialization of Model objects

When writing the API, the data is generally transmitted in JSON format, and no objects can be used directly. At this time, the serialization of data conversion is very important, eloquent provides a very convenient method and conventions, not only can be converted, but also control the key values inside.Basic usage transforms a model into arrays $user = App\User::with(‘roles‘)->first(); return $user->toArray(); Convert a model i

Introduction to the eloquent model of Laravel

This article mainly introduces about Laravel's eloquent model introduction, has certain reference value, now shares to everybody, has the need friend can refer to Eloquent model The default inherits the use illuminate\database\eloquent\model class. Data table name and model name conventions: The table name of the database is typically named by the Serpentine n

Eloquent (laravel's ORM) and laraveleloquent_PHP tutorial for Laravel5 framework learning

Laravel5 framework learning: Eloquent (laravel's ORM) and laraveleloquent. Eloquent (laravel ORM) for Laravel5 framework learning. the code for copying the first model is as follows: phpartisanmake: modelArticle # output Modelcreat Laravel 5 framework learning Eloquent (laravel ORM), laraveleloquent Let's generate the first model. The code is as follows:Php art

What is the difference between eloquent and DB classes in Laravel5.2?

Please illustrate, thank you! Reply content: Please illustrate, thank you! The answer to self-laravel blog post: "Study notes-data and model start" (https://www.insp.top/article/learn-laravel-database-and-model-foundation) For you this problem has been censored, want to know more directly read the original. To get a look at those things about database components first (that's eloquent ORM) The database component is roughly three layer

DB façade, Query Builder, eloquent ORM curd

Label:createclassctiderbyupd guardsaveoda primary key A. DB façade 1.insert db::insert (' INSERT into table (' name ') ' Value (?) ', [' Test ']); 2.update db::update (' Update into table set name=? Where id=? ', [' Test ', 10]); 3.delete DB::d elete (' delete from TB where id=? ', [1]); 4.select db:select (' select * from TB '); Two. Query Builder 1.insert db::table (' TB ')->insert ([' name ' = ' test ']); 2.update db::table (' TB ')->where (' id ', 1)->update ([' name ' = ' test ']);

Laravel using the eloquent ORM to manipulate the database

1. Defining the Modelnamespace App;Use Illuminate\database\eloquent\model; class Flight extends model{protected $table = ' my_flights ';protected $primaryKey = ' my_id ';Public $timestamps = false; }2. Get all the data in the table All/get$flights = Flight::all ();$flights = App\flight::where (' active ', 1)->orderby (' name ', ' desc ')->take (10)->get ();3.find and first get a single record//$flight = App\flight::find (1);$flight = App\fligh

A more complex laravel orm eloquent query

The table structure is as follows: 表名:projects字段:id, name表名:projects_services(1 project_id If I want to use Laravel's eloquent query the following information, how should it be implemented? script_id, Script_name, Module_name, service_name, project_name Reply content: The table structure is as follows: 表名:projects字段:id, name表名:projects_services(1 project_id If I want to use Laravel's eloquent query t

PHP laravel Framework Multi-table relational processing eloquent one-to-many relationship processing

PHP laravel Framework Multi-table relational processing eloquent one-to-many relationship processingThis post mainly introduces the processing of eloquent to one-to-many relationships in the Laravel framework, in Laravel Administrator (Background expansion pack)Your database may be related to each other. For example, a blog post may have many comments, or an order is related to the person who placed the ord

Laravel eloquent model creation, update and batch assignment detailed explanation

1. Create the Model 1.1 Creating a model using the Save method Call the Save method of the eloquent model class to create the model and insert the data into the database: $post = new Post;$post->title = ' Test 4 ';$post->content = ' test content ';$post->user_id = 1;$post->cat_id = 1;if ($post->save ()) {Echo ' Add article success! ';}else{Echo ' Add article failed! ';} Access Http://laravel.app:8000/test in the browser if the output is: Add arti

Laravel How to query the fields specified in a table when eloquent ORM

Guide: In the use of the Laravel ORM model method Find, GET, the "the" the data object returned when the Attributes property array of Data objects will contain all the fields in the data table corresponding ... Original address: http://www.bcty365.com/content-153-5939-1.html When using the Laravel ORM Model method Find, get, the Attributes property array of the data object returned when the method gets the data object contains the key value relationships for all the fields in the datasheet. So h

Laravel Eloquent relationships Shorthand table

Eloquent relationships Shorthand table there is a big pit in the Model association: When the Belongsto is reversed, the foreign key is automatically searched by the method name plus _id. In addition, the association is based on the model name plus _id as the foreign key. Type Define Inverse Remark One to one HasOne Belongsto Withdefault ()Define default foreign key→based on the model nameInverse defau

What is the difference between the Eloquent and DB classes in Laravel5.2?

Please give an example. thank you! Please give an example. thank you! Reply content: Please give an example. thank you! This answer is taken from my blog article: laravel study Notes-data and model start article (https://www.insp.top/article/learn-laravel-database-and-model-foundation) for you to delete this question, want to know more directly read the original. First, let's take a look at the database components (that is, Eloquent ORM) Datab

Eloquent ORM Learning Notes

   recently in learning Laravel, I think the ORM function is very powerful, I'm just a little explored here, if there are better notes, please share. Because the focus is eloquent ORM, so the routing settings, the controller is not described in detail, here directly into the models module. 1. Database Preparation (MYSQL) Here you need to create two tables of users and Users_ext, and initialize the data:   1 CREATE TABLE2 IF not EXISTSUsers (3Iaut

Eloquent batch update multiple records (update when there is, insert when there is no)

Eloquent does not assign values to multiple fields of a record in batches when multiple records are updated (update when the record exists and insert when the record does not exist. Similar to batch insert: {code ...} are there similar statements: {code ...} the following functions are implemented: 1. if the query condition exists, update the original data in batches. {generation... eloquent batch update mu

Eloquent ORM Learning Notes

  Recently in learning Laravel, I think the ORM function is very powerful, I'm just a little explored here, if there are better notes, please share.Because the focus is eloquent ORM, so the routing settings, the controller is not described in detail, here directly into the models module.1. Database Preparation (MYSQL)Here you need to create two tables of users and Users_ext, and initialize the data:  1 CREATE TABLE2 IF not EXISTSUsers (3IautoidINT( O

[Laravel 5.2 Documentation] Eloquent ORM-serialization

1. Introduction When building Jsonapi, it is often necessary to convert models and association relationships to arrays or JSON. Eloquent includes a convenient way to implement these transformations, and to control which properties are included in the serialization. 2. Basic use The conversion model is an array To convert a model and its associated relationships to an array, you can use the ToArray method. This method is recursive, so all propertie

Get the specified column of a database using Laravel's eloquent model

When using Laravel's orm--eloquent, one of the most frequently encountered operations is to take some of the properties in the model, and the corresponding is to fetch a specific column of the table in the database.If you use the DB façade to write query constructors, you only need to call the Select () method chained:$users = db::table (' users ')->select (' name ', ' email as User_email ')->get ();There are two ways of using

Total Pages: 15 1 .... 3 4 5 6 7 .... 15 Go to: Go

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.