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change

change(column_name, type, options = {})

Instance Public methods

Changes the column's definition according to the new options. See ActiveRecord::ConnectionAdapters::TableDefinition#column for details of the options you can use.

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

Links:

https://github.com/rails/rails/blob/758cbb8a2f0b63dd0ee5c5287e92c7276cfc6555/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb#L406

doc_ruby_on_rails

2015-06-20 00:00:00

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