type GetDBConnector interface {
	GetDBConn() (*sql.DB, error)
}

// Rows rows interface
type Rows interface {
	Columns() ([]string, error)
	ColumnTypes() ([]*sql.ColumnType, error)
	Next() bool
	Scan(dest ...interface{}) error
	Err() error
	Close() error
}

type ErrorTranslator interface {
	Translate(err error) error

	if cred.AccessKey != accessKey {
		if !globalIAMSys.Initialized() {
			// Check if server has initialized, then only proceed
			// to check for IAM users otherwise its okay for clients
			// to retry with 503 errors when server is coming up.
			return auth.Credentials{}, false, ErrIAMNotInitialized
		}

		// Check if the access key is part of users credentials.
		u, ok, err := globalIAMSys.CheckKey(r.Context(), accessKey)

{* ../../docs_src/security/tutorial007_an_py39.py hl[1,12:24] *}

Isso seria parecido com:

```Python
if not (credentials.username == "stanleyjobson") or not (credentials.password == "swordfish"):
    # Return some error
    ...
```

Porém, ao utilizar o `secrets.compare_digest()`, isso estará seguro contra um tipo de ataque chamado "timing attacks" (ataques de temporização).

### Ataques de Temporização

	ColumnTypes(dst interface{}) ([]ColumnType, error)

	// Views
	CreateView(name string, option ViewOption) error
	DropView(name string) error

	// Constraints
	CreateConstraint(dst interface{}, name string) error
	DropConstraint(dst interface{}, name string) error
	HasConstraint(dst interface{}, name string) bool

	// Indexes
	CreateIndex(dst interface{}, name string) error

    }

    /**
     * Test constructor DcerpcException(int error) with an unknown error code.
     */
    @Test
    void testConstructorWithError_unknownCode() {
        int errorCode = 0x12345678; // An arbitrary unknown error code
        DcerpcException exception = new DcerpcException(errorCode);

        assertEquals(errorCode, exception.getErrorCode(), "Error code should match the input.");

            } catch (SmbException e) {
                // Ignore listing errors during cleanup
                log.debug("Error listing files during cleanup", e);
            }
        }

        try {
            file.delete();
        } catch (SmbException e) {
            // Ignore deletion errors during cleanup
            log.debug("Error deleting file during cleanup", e);
        }
    }

     *
     * @param paramMap the data store parameters
     * @param dataMap the document data to store
     * @throws DataStoreException if required fields are missing or other errors occur
     */
    @Override
    public void store(final DataStoreParams paramMap, final Map<String, Object> dataMap) {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();

// Code generated by "stringer -type=APIErrorCode -trimprefix=Err api-errors.go"; DO NOT EDIT.

package cmd

import "strconv"

func _() {
	// An "invalid array index" compiler error signifies that the constant values have changed.
	// Re-run the stringer command to generate them again.
	var x [1]struct{}
	_ = x[ErrNone-0]
	_ = x[ErrAccessDenied-1]
	_ = x[ErrBadDigest-2]
	_ = x[ErrEntityTooSmall-3]
	_ = x[ErrEntityTooLarge-4]

                .setLevel(Level.ERROR)
                .setMessage(new SimpleMessage("test error message"))
                .build();

        LogEvent result = policy.rewrite(event);

        assertNotSame(event, result);
        assertEquals(Level.WARN, result.getLevel());
        assertEquals("test.logger.sublogger", result.getLoggerName());
        assertEquals("test error message", result.getMessage().getFormattedMessage());

* **Veloce da programmare**: Velocizza il lavoro consentendo il rilascio di nuove funzionalità tra il 200% e il 300% più rapidamente. *
* **Meno bug**: Riduce di circa il 40% gli errori che commettono gli sviluppatori durante la scrittura del codice. *