Gorm Syntax Error on AutoMigrate Existing Database

SQLite3 DB

user.go

package database

import (
    "fmt"
    "infohubserver/internal/utils"
    "strconv"

    "golang.org/x/text/cases"
    "golang.org/x/text/language"
    "gorm.io/gorm"
)

type User struct {
    //Main columns
    UserId        uint   `gorm:"autoIncrement;primaryKey;not null;unique" json:"userId"`
    UserFirstName string `gorm:"not null" json:"userFirstName"`
    UserLastName  string `gorm:"not null" json:"userLastName"`
    UserInitial   string `gorm:"not null" json:"userInitial"`
    UserUsername  string `gorm:"not null;unique;<-:create" json:"userUsername"`
    UserPassword  string `gorm:"not null" json:"userPassword"` //Encrypted password
    UserRole      string `gorm:"not null" json:"userRole"`
    UserAvatarImg []byte `gorm:"default:NULL" json:"userAvatarImg"`
    //For form submiting value or extra info only (Will not be recorded in database)
    Password     string `gorm:"-:all" json:"password"`
    UserFullName string `gorm:"-:all" json:"userFullName"`
}

Error:

2022/08/31 14:30:50 C:/Users/vho/go/pkg/mod/gorm.io/driver/sqlite@v1.3.6/migrator.go:416 near ")": syntax error
[0.000ms] [rows:0] INSERT INTO `users__temp`() SELECT  FROM `users`

When no existing Users table, Gorm works without any error. But I would like to keep existing data in my table tho.

I am not sure what causing Gorm to generate the invalid syntax like that. The existing Users table only have a few data in it.

Please help!

Originally posted by @KiddoV in https://github.com/go-gorm/gorm/discussions/5664

Comment From: github-actions[bot]

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Comment From: KiddoV

Answer: https://github.com/go-gorm/gorm/discussions/5664#discussioncomment-3528181