On 29 November 2011 12:30, Somnath Mallick <li...@ruby-forum.com> wrote:
> $ rails console --sandbox
> Loading development environment in sandbox (Rails 3.1.3)
> Any modifications you make will be rolled back on exit
> irb(main):001:0> User.new
> => #<User id: nil, name: nil, email: nil, created_at: nil, updated_at:
> nil>
> irb(main):002:0> User.first
> ←[1m←[36mUser Load (0.0ms)←[0m ←[1mSELECT "users".* FROM "users"
> LIMIT 1←[0m
> => nil
> irb(main):003:0> user = User.new(:name => "Michael Hartl", :email =>
> "mha...@example.com")
> => #<User id: nil, name: "Michael Hartl", email: "mha...@example.com",
> created_at: nil, updated_at: nil>
> irb(main):004:0> user.save
> ←[1m←[35m (0.0ms)←[0m SAVEPOINT active_record_1
> ←[1m←[36m (0.0ms)←[0m ←[1mSELECT 1 FROM "users" WHERE
> LOWER("users"."email") = LOWER('mha...@example.com') LIMIT 1←[0m
> ←[1m←[35mSQL (15.5ms)←[0m INSERT INTO "users" ("created_at", "email",
> "name", "updated_at") VALUES (?, ?, ?, ?) [["created_at", Tue, 29 Nov
> 2011 12:28:21 UTC +00:00], ["email", "mha...@example.com
> "], ["name", "Michael Hartl"], ["updated_at", Tue, 29 Nov 2011 12:28:21
> UTC +00:00]]
> ←[1m←[36m (0.0ms)←[0m ←[1mRELEASE SAVEPOINT active_record_1←[0m
> => true
> irb(main):005:0> User.first
> ←[1m←[35mUser Load (0.0ms)←[0m SELECT "users".* FROM "users" LIMIT 1
> => #<User id: 1, name: "Michael Hartl", email: "mha...@example.com",
> created_at: "2011-11-29 12:28:21", updated_at: "2011-11-29 12:28:21">
By running it in a sandbox the code above is creating the user with id
1, but it gets removed when you close the console, so when the app
runs there are no users.
To check this just run
rails console
User.find(1)
Colin
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