internal/protocol/error.go
func (e *hdbErrors) IsError() bool {
	return e.errors[e.idx].errorLevel == errorLevelError
}
func (e *hdbErrors) IsError() bool {
	return e.errors[e.idx].errorLevel == errorLevelError
}
func ( e * hdbErrors ) IsError ( ) bool { return e . errors [ e . idx ] . errorLevel == errorLevelError }
// IsError implements the driver.Error interface.
IsError implements the driver . Error interface .