Module: Rein::Constraint::Null

Includes:
ActiveRecord::ConnectionAdapters::Quoting
Included in:
ActiveRecord::Migration
Defined in:
lib/rein/constraint/null.rb

Overview

This module contains methods for defining null constraints.

Instance Method Summary collapse

Instance Method Details

#add_null_constraint(*args) ⇒ Object 



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# File 'lib/rein/constraint/null.rb', line 9

def add_null_constraint(*args)
  reversible do |dir|
    dir.up do _add_null_constraint(*args) end
    dir.down { _remove_null_constraint(*args) }
  end
end

#remove_null_constraint(*args) ⇒ Object 



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# File 'lib/rein/constraint/null.rb', line 16

def remove_null_constraint(*args)
  reversible do |dir|
    dir.up do _remove_null_constraint(*args) end
    dir.down { _add_null_constraint(*args) }
  end
end