Migration file to add comment to Rails table

Migration file

class AddCommmentsToStaffEmail < ActiveRecord::Migration[6.0]
  def change
    change_column_comment(:staff_emails, :employee_id, 'Trader ID') 
  end
end

change_column_comment Enter the table name, column name, and comment content in change_column_comment.

change_column_comment(:table_name, :column_name, 'contents')

environment

Execution procedure

Creation of migration file

command

cmd.


$bundel exec rails g migration AddCommentsToTable

Perform migration

command

cmd.


$bundel exec rake db:migrate

Remarks

--Reference link

http://hotoolong.hatenablog.com/entry/2018/06/20/083106

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