driver/driver_legacy.go
func (s *bulkInsertStmt) CheckNamedValue(nv *driver.NamedValue) error {
	return checkNamedValue(s.prmFieldSet, nv)
}
func (s *bulkInsertStmt) CheckNamedValue(nv *driver.NamedValue) error {
	return checkNamedValue(s.prmFieldSet, nv)
}
// Deprecated: see NamedValueChecker.
//func (s *bulkInsertStmt) ColumnConverter(idx int) driver.ValueConverter {
//}
// CheckNamedValue implements NamedValueChecker interface.