t.Skip("skip sqlite, sqlserver due to it doesn't support multiple primary keys with auto increment")
	}

	if name := DB.Dialector.Name(); name == "postgres" {
		t.Skip("skip postgres due to it only allow unique constraint matching given keys")
	}
	if name := DB.Dialector.Name(); name == "gaussdb" {
		t.Skip("skip gaussdb due to it only allow unique constraint matching given keys")

En el ejemplo anterior, tienen valores por defecto de `skip=0` y `limit=10`.

Entonces, ir a la URL:

```
http://127.0.0.1:8000/items/
```

sería lo mismo que ir a:

```
http://127.0.0.1:8000/items/?skip=0&limit=10
```

Pero si vas a, por ejemplo:

```
http://127.0.0.1:8000/items/?skip=20
```

Los valores de los parámetros en tu función serán:

* `skip=20`: porque lo configuraste en la URL

No exemplo acima eles tem valores padrão de `skip=0` e `limit=10`.

Então, se você for até a URL:

```
http://127.0.0.1:8000/items/
```

Seria o mesmo que ir para:

```
http://127.0.0.1:8000/items/?skip=0&limit=10
```

Mas, se por exemplo você for para:

```
http://127.0.0.1:8000/items/?skip=20
```

Os valores dos parâmetros na sua função serão:

* `skip=20`: Por que você definiu isso na URL

	for i, test := range testMPs {
		{
			// nil range
			o, l, skip, sn, ps, err := test.oi.GetDecryptedRange(nil)
			if err != nil {
				t.Errorf("Case %d: unexpected err: %v", i, err)
			}
			if o != 0 || l != esum(test.oi) || skip != 0 || sn != 0 || ps != 0 {
				t.Errorf("Case %d: test failed: %d %d %d %d %d", i, o, l, skip, sn, ps)
			}
		}

		// Skip 1Mib and read 1Mib (in the decrypted object)
		//

	ret := make(map[time.Duration][]string)

	s := bufio.NewScanner(f)
	s.Split(bufio.ScanLines)

	var (
		t            time.Duration
		skip, record bool
	)

	for s.Scan() {
		line := s.Text()
		switch {
		case skip && line != "":
		case skip && line == "":
			skip = false
		case record && line == "":
			stackTrace := bf.String()
			reset()
			record = false

	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after UnmarshalMsg(): %q", len(left), left)
	}

	left, err = msgp.Skip(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after Skip(): %q", len(left), left)
	}
}

func BenchmarkMarshalMsgallTierStats(b *testing.B) {
	v := allTierStats{}
	b.ReportAllocs()
	b.ResetTimer()

					if err != nil {
						err = msgp.WrapError(err, "Max", "Bytes")
						return
					}
				default:
					err = dc.Skip()
					if err != nil {
						err = msgp.WrapError(err, "Max")
						return
					}
				}
			}
		default:
			err = dc.Skip()
			if err != nil {
				err = msgp.WrapError(err)
				return
			}
		}
	}
	return
}

Im obigen Beispiel haben sie die Defaultwerte `skip=0` und `limit=10`.

Wenn Sie also zur URL:

```
http://127.0.0.1:8000/items/
```

gehen, so ist das das gleiche wie die URL:

```
http://127.0.0.1:8000/items/?skip=0&limit=10
```

Aber wenn Sie zum Beispiel zu:

```
http://127.0.0.1:8000/items/?skip=20
```

gehen, werden die Parameter-Werte Ihrer Funktion sein:

	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after UnmarshalMsg(): %q", len(left), left)
	}

	left, err = msgp.Skip(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after Skip(): %q", len(left), left)
	}
}

func BenchmarkMarshalMsgBatchJobPrefix(b *testing.B) {
	v := BatchJobPrefix{}
	b.ReportAllocs()
	b.ResetTimer()

	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after UnmarshalMsg(): %q", len(left), left)
	}

	left, err = msgp.Skip(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after Skip(): %q", len(left), left)
	}
}

func BenchmarkMarshalMsglocalLockMap(b *testing.B) {
	v := localLockMap{}
	b.ReportAllocs()
	b.ResetTimer()