package models import ( "time" ) type User struct { ID int64 `gorm:"column:id;primaryKey;autoIncrement;type:bigint"` Email string `gorm:"column:email;type:varchar(255);not null"` Name string `gorm:"column:name;type:text"` Age *int `gorm:"column:age;type:integer"` IsActive bool `gorm:"column:is_active;type:boolean"` CreatedAt time.Time `gorm:"column:created_at;type:timestamp;default:now()"` } func (User) TableName() string { return "users" }