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