change_column :table_name, :column_name, :date
# rails g migration sample_name_change_column_type
def change
change_column(:table_name, :column_name, :new_type)
end
class CreateProducts < ActiveRecord::Migration
def change
create_table :products do |t|
t.string :name
t.text :description
t.timestamps
end
end
end| Code Example |
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