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Dec 4, 2012. In Rails 4.2+ you can also set foreign keys in the db as well, which is a. you can specify the name of the other table in the foreign key options.
In Rails 4.2, you can also set up the model or migration with a custom foreign key name. In your example, the migration would be: class AddReferencesToPeople.
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Active Record Migrations — Ruby on Rails Guides – $ bin/rails generate migration CreateProducts name:. Rails will generate a name for every foreign key starting with. remove_foreign_key (must supply a second table)
ALTER TABLE "articles" ADD CONSTRAINT fk_rails_e74ce85cbc FOREIGN KEY. The foreign key column name on from_table. the foreign key so that the migration can.
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The key references the id column of the authors table. If the column names can not be derived from the table names, you can use.
Jan 6, 2015. In Rails 4.2, you can also set up the model or migration with a custom foreign key name. In your example, the migration would be:
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How I can do or generate a migration with a foreign key? I have municipios table, and I want to relate with the table ciudades, the table will have these fields.
May 29, 2010. If you want to mark them as foreign keys at the database level you. all in the initial migration/column definition (at least currently in Rails 5):