GORMでの主要メソッドによるゼロ値の取り扱いについて - Qiita

type User struct { ID int `gorm:"column:id;primary_key:yes"` Email string `gorm:"column:email"` Age int `gorm:"column:age"` IsAdmin bool `gorm:"column:is_admin"` CreatedAt time.Time `gorm:"column:created_at"` UpdatedAt time.Time `gorm:"column:updated_at"` } db.Where(User{Email: "example", Age: 10, IsAdmin: true}).Find(&user) // => SELECT * FROM `users` WHERE `users`.`email` = "example" AND `users`