Function Schema_ContainsConstraint

src/schema/schema.c:631–645

checks if schema constains constraint

// checks if schema constains constraint
bool Schema_ContainsConstraint
(
	const Schema *s,            // schema to search
	ConstraintType t,           // constraint type
	const Attribute_ID *attrs,  // constraint attributes
	uint attr_count             // number of attributes
) {
	// validations
	ASSERT(s          != NULL);
	ASSERT(attrs      != NULL);
	ASSERT(attr_count > 0);

	Constraint c = Schema_GetConstraint(s, t, attrs, attr_count);
	return (c != NULL && Constraint_GetStatus(c) != CT_FAILED);
}

// retrieves constraint 
// returns NULL if constraint was not found