gorm.Model
		Aux  string
		UUID string
	}

	type User struct {
		gorm.Model
		Name string
		UUID string
		Aux  *UserAux `gorm:"foreignkey:UUID;references:UUID"`
	}

	checkStructRelation(t, &User{},
		Relation{
			Name: "Aux", Type: schema.HasOne, Schema: "User", FieldSchema: "UserAux",
			References: []Reference{
				{"UUID", "User", "UUID", "UserAux", "", true},
			},
		},
	)

		t.Fatalf("failed to found column log_id")
	}
}

type Post struct {
	ID         uuid.UUID `gorm:"primary_key;type:uuid;default:uuid_generate_v4();"`
	Title      string
	Categories []*Category `gorm:"Many2Many:post_categories"`
}

type Category struct {
	ID    uuid.UUID `gorm:"primary_key;type:uuid;default:uuid_generate_v4();"`
	Title string
	Posts []*Post `gorm:"Many2Many:post_categories"`
}

		"SKU_ID":                    "sku_id",
		"FieldX":                    "field_x",
		"HTTPAndSMTP":               "http_and_smtp",
		"HTTPServerHandlerForURLID": "http_server_handler_for_url_id",
		"UUID":                      "uuid",
		"HTTPURL":                   "http_url",
		"HTTP_URL":                  "http_url",
		"SHA256Hash":                "sha256_hash",
		"SHA256HASH":                "sha256_hash",

}

var (
	// https://github.com/golang/lint/blob/master/lint.go#L770
	commonInitialisms         = []string{"API", "ASCII", "CPU", "CSS", "DNS", "EOF", "GUID", "HTML", "HTTP", "HTTPS", "ID", "IP", "JSON", "LHS", "QPS", "RAM", "RHS", "RPC", "SLA", "SMTP", "SSH", "TLS", "TTL", "UID", "UI", "UUID", "URI", "URL", "UTF8", "VM", "XML", "XSRF", "XSS"}
	commonInitialismsReplacer *strings.Replacer
)

func init() {

	if DB.Dialector.Name() != "postgres" {
		return
	}

	type MissPKLanguage struct {
		ID   string `gorm:"type:uuid;default:uuid_generate_v4()"`
		Name string
	}

	type MissPKUser struct {
		ID              string           `gorm:"type:uuid;default:uuid_generate_v4()"`
		MissPKLanguages []MissPKLanguage `gorm:"many2many:miss_pk_user_languages;"`
	}

	var err error

			"name":    "cat",
			"user_id": gorm.Expr("(?)", DB.Table("(?) as tmp", subQuery).Select("@uid:=id")),
		},
		{
			"name":    "dog",
			"user_id": gorm.Expr("@uid"),
		},
	})

	if !regexp.MustCompile(`INSERT INTO .pets. \(.name.,.user_id.\) .*VALUES \(.+,\(SELECT @uid:=id FROM \(SELECT id FROM .users. WHERE name=.+\) as tmp\)\),\(.+,@uid\)`).MatchString(result.Statement.SQL.String()) {