Mazdak Mansouri mazdak78

## graphql_nullable_int64_field.go
//the idea is taken from https://gist.github.com/bosgood/d9687f5d64c0f4038bc19c478d51fa64
// but that code throw exception and does not compile
// I just refined that and fix the problem and convert it to Int version
// same can be done for other nullable types

// LeadItem struct
type LeadItem struct {
	CustomerId sql.NullInt64
}
	//the idea is taken from https://gist.github.com/bosgood/d9687f5d64c0f4038bc19c478d51fa64
	// but that code throw exception and does not compile
	// I just refined that and fix the problem and convert it to Int version
	// same can be done for other nullable types

	// LeadItem struct
	type LeadItem struct {
	CustomerId sql.NullInt64
	}