func()

in exprs.go [569:596]

• 25 lines of code
• 14 McCabe index (conditional complexity)

func (up *unboundUnaryPredicate) Bind(schema *Schema, caseSensitive bool) (BooleanExpression, error) {
	bound, err := up.term.Bind(schema, caseSensitive)
	if err != nil {
		return nil, err
	}

	// fast case optimizations
	switch up.op {
	case OpIsNull:
		if bound.Ref().Field().Required && !schema.FieldHasOptionalParent(bound.Ref().Field().ID) {
			return AlwaysFalse{}, nil
		}
	case OpNotNull:
		if bound.Ref().Field().Required && !schema.FieldHasOptionalParent(bound.Ref().Field().ID) {
			return AlwaysTrue{}, nil
		}
	case OpIsNan:
		if !bound.Type().Equals(PrimitiveTypes.Float32) && !bound.Type().Equals(PrimitiveTypes.Float64) {
			return AlwaysFalse{}, nil
		}
	case OpNotNan:
		if !bound.Type().Equals(PrimitiveTypes.Float32) && !bound.Type().Equals(PrimitiveTypes.Float64) {
			return AlwaysTrue{}, nil
		}
	}

	return createBoundUnaryPredicate(up.op, bound), nil
}