func checkFsp(arg types.Datum) (int, error) {
fsp, err := arg.ToInt64()
if err != nil {
return 0, errors.Trace(err)
}
if int(fsp) > mysql.MaxFsp {
return 0, errors.Errorf("Too big precision %d specified. Maximum is 6.", fsp)
} else if fsp < 0 {
return 0, errors.Errorf("Invalid negative %d specified, must in [0, 6].", fsp)
}
return int(fsp), nil
}
func parseDayInterval(value types.Datum) (int64, error) {
switch value.Kind() {
case types.KindString:
vs := value.GetString()
s := strings.ToLower(vs)
if s == "false" {
return 0, nil
} else if s == "true" {
return 1, nil
}
value.SetString(reg.FindString(vs))
}
return value.ToInt64()
}