similar to: Update form after changing model with migration

Hello, I developed an app with postgres DB but want to change the DB to sqlite3. I changed the database adapter in the database.yml file. When I run the migration most of it was successful but add_column was throwing an error "Cannot add a NOT NULL column with default value NULL: ALTER TABLE "rates" ADD "customer_id" integer NOT NULL". I made the modification and

I have to create Migration file form Mysql DB But I want type of Migration equivalent with Mysql DB (example : in Mysql with type Bigint and in Migration will have type Int(20) or Bigint) Could You help me solve this Problem? Thanks -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To

All - Trying not to fight rails on this, basically have a form and all the same as would be with an ActiveRecord model except that there is no table. I started out using this article: http://stackoverflow.com/questions/315850/rails-model-without-database ...which is kind of a hack by inheriting ActiveRecord in to non-AR model but am running into some problems and just have the feeling that I am

hi, can someone advice how can I create a form with fileds from different models. also how to get the different models (objects) saved. thank you dani -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to

Hey, I got a form which looks like this: - form_for(@article, :html => {:multipart => true}, :url => articles_path) do |f| = errors_for(@article) .field = f.label :text %br = f.text_field :text .field = f.label :author_id %br = f.text_field :author_id .actions = f.submit But since I don''t want anyone to type in an author id I changed it

Hi all, I have migrated with some tables in my application. After some days i need to add few more tables to database. The initial tables in database have some data. when i try to migrate the database for second time with rake db:migrate it is saying the alredy table exist <table name> and rake is aborted. i dont want to loose the old data and i want to add new tables to alredy exiested

Are migrations used only when you''re making changes to a database? Does it just allow the developer to avoid using raw SQL when working with databases? -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to

Hello all, I''m in my 5th month on Ruby on Rails and still learning. I have an application that works fine in sqlite3 and then the boss says he wants it migrated to Oracle. Now, I know very little about Oracle, enough to get into trouble. When I did the migration everything went haywire. Well, I''ve refactored several problems and now I have another. I have two models with a

Hello, I''m trying to use command rake db:migrate, but in MySQL I continuous get an empty set and I do know why. #/db/seeds.rb User.create(username: "lorenz", password: "mypass", admin: true) When I run: rake db:seed RAILS_ENV=development --trace I received: ** Invoke db:seed (first_time) ** Execute db:seed ** Invoke db:abort_if_pending_migrations (first_time) **

HI, guys, How to remove a table with migration, i saw a drop down method in migration created file , how can i use that ? thank you. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To unsubscribe from this group, send email

When I do remote form submits through jQuery .submit() why do I sometimes have to refresh the page manually to see the results? My jQuery handler is very simple: $("#vote_yes").click(function() { $("#approval").val(true) $(".edit_vote").submit() }); And the link that leverages this bit of code is as follows: <%= link_to("Vote

I have an odd bug in one of my applications. When I am using the sqlite3 database the bug is not present. However when I use mysql2 as the database adapter I run into an error saving decimal values from a form. If I submit the value 19.99 my input after the decimal is removed and it is stored in the database as 19.00 What would cause this? The database has the correct settings for the column and

Hello, I''ve got some experience in Java, and recently, I''ve begun to practice with Rails. One of the things that has surprised to me, after I''ve read some books, it''s that classes hasn''t got attributes; the attributes are in the files db/migrate/*. After that, the ORM makes the mapping with de Database. But the attributes aren''t in the files

When I do a migration, the changes are make in the test database. Does anyone know the reason? In the config/environment.rb file, I have this: ENV[''RAILS_ENV''] ||= ''production'' And in the db/ folder, it creates a file named test.sqlite3 When I did the migrations, RoR used the test database, but when I want to make something in the application, the migrations

## Hi ## I have 6 simple and fundamental Problem in RoR migration and although I googled it and read many article about it and research it for a week , I didn''t understand it. please help me for these problems : ---------- 1 - When I create a model (for example "rails generate model Football_League") , I see in db/migration a "create_football_leagues.rb" . I want

Hi: I''m reading and learning from the Rails tutorial at [1] but not building the sample application instead I''m trying to build my own. After generate all the migration and build the main classes for Models I made some modifications to them in order to build relationship between tables now I think that I need to run some command to generate the scaffold again with proper

I have form and a collection_select control. I would like to update form fields (text box) when I select an item from the collection_select box. It''s like selecting template from the collection_select and the template automatically loads to text boxes. Any help? -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups

Hi, guys. There are four models in the program, A has_many B through C, B has_many A through C, A has_many D, D belongs_to A. I have a form to create A. Inspired by Ryan Bates'' railscasts I was able to create A and D in the same form, and link A to B(created beforehand) through C in the same form as well. Is it possible to create A and B in the same form? Thanks in advance. -- Posted

Hi everybody, I have to change a lot of data in production server and I don''t know what''s the best way to do it. To handle the permissions in the older version of my system I had two models: Group and Permision. class Group < ActiveRecord::Base has_many :actions end class Permission < ActiveRecord::Base belongs_to :group PERMISSION_NAMES = "..." end I

Hello all, I have created a migration add_details _to users ... ( city_id , profession ) and then migrated it.. when i use params[:user] to update the database by taking user inputs from forms in views, it is not updating the database for these city_id and profession... ( not changing from null ) if add validation for presence of city_id .. it is giving the error "City id cant be