[RUBY] 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') 

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

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


Execution procedure

Creation of migration file



$bundel exec rails g migration AddCommentsToTable

Perform migration



$bundel exec rake db:migrate


--Reference link


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