SQL → Go Struct

CREATE TABLE users (
  id BIGINT NOT NULL AUTO_INCREMENT PRIMARY KEY,
  name VARCHAR(64) NOT NULL,
  email VARCHAR(128) NOT NULL,
  age INT,
  balance DECIMAL(10, 2),
  is_admin TINYINT(1) DEFAULT 0,
  bio TEXT,
  created_at DATETIME NOT NULL,
  updated_at TIMESTAMP NULL
); 

type User struct {
	Id        int64      `json:"id" gorm:"column:id;primaryKey;not null;type:BIGINT"`
	Name      string     `json:"name" gorm:"column:name;not null;type:VARCHAR(64)"`
	Email     string     `json:"email" gorm:"column:email;not null;type:VARCHAR(128)"`
	Age       *int32     `json:"age" gorm:"column:age;type:INT"`
	Balance   *float64   `json:"balance" gorm:"column:balance;type:DECIMAL(10, 2)"`
	IsAdmin   *bool      `json:"is_admin" gorm:"column:is_admin;type:TINYINT(1)"`
	Bio       string     `json:"bio" gorm:"column:bio;type:TEXT"`
	CreatedAt time.Time  `json:"created_at" gorm:"column:created_at;not null;type:DATETIME"`
	UpdatedAt *time.Time `json:"updated_at" gorm:"column:updated_at;type:TIMESTAMP"`
}