[Golang] Use pointer to deal sql null value | 使用指针处理SQL NULL 值

SqlDealNull.go

var (
  nullInt     *int
  nullTime    *time.Time
  nullString  string
)

row := course.QueryRow("SELECT NULL,NULL,NULL FROM Table", LineID)
DBErr = row.Scan(&nullInt, &nullTime, &nullString);
if DBErr != nil {
  return
}
if nullInt == nil{
}
if nullTime == nil {
}
if nullString == nil {
}