Class: Dbsketch::Comparison::CheckConstraintComparator

Inherits:
Object
  • Object
show all
Defined in:
lib/dbsketch/comparison/check_constraint_comparator.rb

Instance Method Summary collapse

Instance Method Details

#are_equivalent?(old_constraint, new_constraint) ⇒ Boolean

Returns:

  • (Boolean)

Raises:

  • (ArgumentError) 


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# File 'lib/dbsketch/comparison/check_constraint_comparator.rb', line 35

def are_equivalent? old_constraint, new_constraint
  ### Preconditions

  raise ArgumentError, "old_constraint is not a Dbsketch::Model::CheckConstraint" unless nil == old_constraint or old_constraint.is_a? Dbsketch::Model::CheckConstraint
  raise ArgumentError, "new_constraint is not a Dbsketch::Model::CheckConstraint" unless nil == new_constraint or new_constraint.is_a? Dbsketch::Model::CheckConstraint
  ###

  (nil != old_constraint and nil != new_constraint) and (old_constraint.condition == new_constraint.condition)
end

#compare(old_constraint, new_constraint) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/dbsketch/comparison/check_constraint_comparator.rb', line 43

def compare old_constraint, new_constraint
  ### Preconditions

  raise ArgumentError, "old_constraint is not a Dbsketch::Model::CheckConstraint" unless nil == old_constraint or old_constraint.is_a? Dbsketch::Model::CheckConstraint
  raise ArgumentError, "new_constraint is not a Dbsketch::Model::CheckConstraint" unless nil == new_constraint or new_constraint.is_a? Dbsketch::Model::CheckConstraint
  ###

  CheckConstraintDiff.new(old_constraint, new_constraint) if not are_equivalent? old_constraint, new_constraint
end