change_table(table_name, options = {})
Instance Public methods
A block for changing columns in
table.
# change_table() yields a Table instance
change_table(:suppliers) do |t|
t.column :name, :string, limit: 60
# Other column alterations here
end
The options hash can include the following keys:
:bulk
Set this to true to make this a bulk alter query, such as
ALTER TABLE `users` ADD COLUMN age INT(11), ADD COLUMN birthdate DATETIME ...
Defaults to false.
Add a column
chan
