Question

Hi i have a table in which there are two columns from and to of type datatime i want to change the datatype from datetime to date. i dont know the exact command for chagning column type in migrations like rails g

Answer 1

From the command line, run:

rails generate migration change_data_type_for_table_column

Write your migration as:

change_table :table do |t|  
  t.change :column, :type 
end