diff options
Diffstat (limited to 'guides/source/active_record_basics.md')
| -rw-r--r-- | guides/source/active_record_basics.md | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/guides/source/active_record_basics.md b/guides/source/active_record_basics.md index cb64cf39f3..68c6416e89 100644 --- a/guides/source/active_record_basics.md +++ b/guides/source/active_record_basics.md @@ -147,15 +147,15 @@ Active Record objects can be created from a hash, a block or have their attribut For example, given a model `User` with attributes of `name` and `occupation`, the `create` method call will create and save a new record into the database: ```ruby - user = User.create(name: "David", occupation: "Code Artist") +user = User.create(name: "David", occupation: "Code Artist") ``` Using the `new` method, an object can be created without being saved: ```ruby - user = User.new - user.name = "David" - user.occupation = "Code Artist" +user = User.new +user.name = "David" +user.occupation = "Code Artist" ``` A call to `user.save` will commit the record to the database. @@ -163,10 +163,10 @@ A call to `user.save` will commit the record to the database. Finally, if a block is provided, both `create` and `new` will yield the new object to that block for initialization: ```ruby - user = User.new do |u| - u.name = "David" - u.occupation = "Code Artist" - end +user = User.new do |u| + u.name = "David" + u.occupation = "Code Artist" +end ``` ### Read @@ -174,23 +174,23 @@ Finally, if a block is provided, both `create` and `new` will yield the new obje Active Record provides a rich API for accessing data within a database. Below are a few examples of different data access methods provided by Active Record. ```ruby - # return array with all records - users = User.all +# return array with all records +users = User.all ``` ```ruby - # return the first record - user = User.first +# return the first record +user = User.first ``` ```ruby - # return the first user named David - david = User.find_by_name('David') +# return the first user named David +david = User.find_by_name('David') ``` ```ruby - # find all users named David who are Code Artists and sort by created_at in reverse chronological order - users = User.where(name: 'David', occupation: 'Code Artist').order('created_at DESC') +# find all users named David who are Code Artists and sort by created_at in reverse chronological order +users = User.where(name: 'David', occupation: 'Code Artist').order('created_at DESC') ``` You can learn more about querying an Active Record model in the [Active Record Query Interface](active_record_querying.html) guide. @@ -200,9 +200,9 @@ You can learn more about querying an Active Record model in the [Active Record Q Once an Active Record object has been retrieved, its attributes can be modified and it can be saved to the database. ```ruby - user = User.find_by_name('David') - user.name = 'Dave' - user.save +user = User.find_by_name('David') +user.name = 'Dave' +user.save ``` ### Delete @@ -210,8 +210,8 @@ Once an Active Record object has been retrieved, its attributes can be modified Likewise, once retrieved an Active Record object can be destroyed which removes it from the database. ```ruby - user = User.find_by_name('David') - user.destroy +user = User.find_by_name('David') +user.destroy ``` Validations |