Module: Rein::Constraint::Unique
- Includes:
- ActiveRecord::ConnectionAdapters::Quoting
- Included in:
- ActiveRecord::Migration
- Defined in:
- lib/rein/constraint/unique.rb
Overview
This module contains methods for defining unique constraints.
Instance Method Summary collapse
Instance Method Details
#add_unique_constraint(*args) ⇒ Object
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# File 'lib/rein/constraint/unique.rb', line 9 def add_unique_constraint(*args) reversible do |dir| dir.up { _add_unique_constraint(*args) } dir.down { _remove_unique_constraint(*args) } end end |
#remove_unique_constraint(*args) ⇒ Object
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# File 'lib/rein/constraint/unique.rb', line 16 def remove_unique_constraint(*args) reversible do |dir| dir.up { _remove_unique_constraint(*args) } dir.down { _add_unique_constraint(*args) } end end |