do if migration command will not work to an existing table when column add

-

 migration command :


bundle exec rake db:migrate



this will work

first delete the migration file from sublime or terminal then execute this command 

Comments

Post a Comment

Popular posts from this blog

Rails 7 Features :: Comparison with Rails 6 and Rails 5

-
Rails 7 Features :: Link ::    https://medium.com/geekculture/whats-new-in-rails-7-b97d44eecdb2 What's new in Rails 7 :: 1. Webpack and node is not required  2. Encrypted Database Layer  3. Asynchronous Querying 4. Applications would only run in Asychronous Querying  5. Ujs and Turbolink is now replaced Stimulous and Turbo 6. Inline your query with single record using sole  7. Use controller actions to the streamed generated file  8. Named Variant .............................................................................................................................. Whats new in Rails -6 :: Note :: In Rails 6 many things we extract from the basecamp  Link ::    https://www.cuelogic.com/blog/whats-new-in-rails-6 1. Action Mailbox  2. Action Text 3. Parellel Testing  4. Action Cable Testing  5. Webpack  ....................................... Rails -6 Features :: Link :::    https://www.toptal.com/r...
Read more