Apr 8, 2013. You can run another migration, just for the index: class AddIndexToTable < ActiveRecord::Migration def change add_index :table, :user_id end.
ActiveRecord Migrations – Ruby on Rails – Stack Overflow – rails generate migration NAME [field[:type][:index] field[:type. $ rails g migration CreateJoinTableStudentCourse. Allows limit option for maximum number of.
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After that, you can manually replace the VLAN names with physical interfaces and run the configuration through the cloud migration tool for ASA, which can be found at
The type parameter is normally one of the migrations native types, fk_rails_<identifier. index_type, index_columns, index_options = add_index_options (table.
Jan 31, 2013. As far as I know the unique option in the create_table block is actually not supported. Using Rails 4, you can provide: index param a hash argument class CreateLocations < ActiveRecord::Migration def change create_table.
Several Rails migration methods accept index: true as an option to create an index. In some cases (like #add_column ), this option is silently discarded.
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Rails on Rail Migrations – Learn Ruby on Rails in simple and easy steps. What Can Rails Migration Do? create_table(name, options) drop_table. add_index(table.
This migration will create a user_id column and appropriate index. For more add_reference options, The main purpose of Rails' migration feature is to issue.
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