method

change

rails latest stable - Class: ActiveRecord::ConnectionAdapters::ColumnMethods::Table

change(column_name, type, **options)

public

Changes the column’s definition according to the new options.

t.change(:name, :string, limit: 80)
t.change(:description, :text)

See TableDefinition#column for details of the options you can use.

# File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 788
      def change(column_name, type, **options)
        raise_on_if_exist_options(options)
        @base.change_column(name, column_name, type, **options)
      end

change

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