コード例 #1
0
ファイル: add.go プロジェクト: vintersorg/aerospike-client-go
func runExample(client *as.Client) {
	key, err := as.NewKey(*shared.Namespace, *shared.Set, "addkey")
	shared.PanicOnError(err)

	binName := "addbin"

	// Delete record if it already exists.
	client.Delete(shared.WritePolicy, key)

	// Perform some adds and check results.
	bin := as.NewBin(binName, 10)
	log.Println("Initial add will create record.  Initial value is ", bin.Value, ".")
	client.AddBins(shared.WritePolicy, key, bin)

	bin = as.NewBin(binName, 5)
	log.Println("Add ", bin.Value, " to existing record.")
	client.AddBins(shared.WritePolicy, key, bin)

	record, err := client.Get(shared.Policy, key, bin.Name)
	shared.PanicOnError(err)

	if record == nil {
		log.Fatalf(
			"Failed to get: namespace=%s set=%s key=%s",
			key.Namespace(), key.SetName(), key.Value())
	}

	// The value received from the server is an unsigned byte stream.
	// Convert to an integer before comparing with expected.
	received := record.Bins[bin.Name]
	expected := 15

	if received == expected {
		log.Printf("Add successful: ns=%s set=%s key=%s bin=%s value=%s",
			key.Namespace(), key.SetName(), key.Value(), bin.Name, received)
	} else {
		log.Fatalf("Add mismatch: Expected %d. Received %d.", expected, received)
	}

	// Demonstrate add and get combined.
	bin = as.NewBin(binName, 30)
	log.Println("Add ", bin.Value, " to existing record.")
	record, err = client.Operate(shared.WritePolicy, key, as.AddOp(bin), as.GetOp())
	shared.PanicOnError(err)

	expected = 45
	received = record.Bins[bin.Name]

	if received == expected {
		log.Printf("Add successful: ns=%s set=%s key=%s bin=%s value=%s",
			key.Namespace(), key.SetName(), key.Value(), bin.Name, received)
	} else {
		log.Fatalf("Add mismatch: Expected %d. Received %d.", expected, received)
	}
}