rails : rake db:create is not creating the new table

Question

I am working on an existing rails project where I have to add a new tab. Well, I have written all the corresponding models, views and controllers and then changed the schema.rb file to create the new table.

 create_table "ryan_indices", :force => true do |t|
    t.string   "name"
  end



create_table "benchmark_indices", :force => true do |t|
        t.string   "name"
      end

This is my partial schema.rb file. The first table was there before. I am just trying to add a similar new table for which I created model, view and controller and also added those create_table statements in schema.rb file. But, when I run rake db:migrate it does not create the new table. And the schema.rb file goes back to previous state I mean my changes go away after I run rake db:migrate command and it shows nothing on the command line screen.

I don't know what I am missing. Could anyone please help?

ulf_t · Accepted Answer · 2013-01-08 23:07:23Z

6

To edit schema.rb is considered to be bad practice:

...not designed to be edited, they just represent the current state of the database.

For creating a new model (and thus a new db table) call the rails model generator

rails generate model Product name:string

Or: For new fields for an existing model please generate a migration...

rails generate migration AddNameToProducts

... edit it and then run it with "rake db:migrate"

These tasks are very well described at the official RailsGuides > Migrations

edited Jan 8, 2013 at 23:07

answered Jan 8, 2013 at 22:58

ulf_t

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