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Golang Impl.DeleteKeyspace方法代码示例

本文整理汇总了Golang中github.com/youtube/vitess/go/vt/topo.Impl.DeleteKeyspace方法的典型用法代码示例。如果您正苦于以下问题:Golang Impl.DeleteKeyspace方法的具体用法?Golang Impl.DeleteKeyspace怎么用?Golang Impl.DeleteKeyspace使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在github.com/youtube/vitess/go/vt/topo.Impl的用法示例。


在下文中一共展示了Impl.DeleteKeyspace方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。

示例1: checkKeyspace

// checkKeyspace tests the keyspace part of the API
func checkKeyspace(t *testing.T, ts topo.Impl) {
	ctx := context.Background()
	keyspaces, err := ts.GetKeyspaces(ctx)
	if err != nil {
		t.Errorf("GetKeyspaces(empty): %v", err)
	}
	if len(keyspaces) != 0 {
		t.Errorf("len(GetKeyspaces()) != 0: %v", keyspaces)
	}

	if err := ts.CreateKeyspace(ctx, "test_keyspace", &topodatapb.Keyspace{}); err != nil {
		t.Errorf("CreateKeyspace: %v", err)
	}
	if err := ts.CreateKeyspace(ctx, "test_keyspace", &topodatapb.Keyspace{}); err != topo.ErrNodeExists {
		t.Errorf("CreateKeyspace(again) is not ErrNodeExists: %v", err)
	}

	// Delete and re-create.
	if err := ts.DeleteKeyspace(ctx, "test_keyspace"); err != nil {
		t.Errorf("DeleteKeyspace: %v", err)
	}
	if err := ts.CreateKeyspace(ctx, "test_keyspace", &topodatapb.Keyspace{}); err != nil {
		t.Errorf("CreateKeyspace: %v", err)
	}

	keyspaces, err = ts.GetKeyspaces(ctx)
	if err != nil {
		t.Errorf("GetKeyspaces: %v", err)
	}
	if len(keyspaces) != 1 || keyspaces[0] != "test_keyspace" {
		t.Errorf("GetKeyspaces: want %v, got %v", []string{"test_keyspace"}, keyspaces)
	}

	k := &topodatapb.Keyspace{
		ShardingColumnName: "user_id",
		ShardingColumnType: topodatapb.KeyspaceIdType_UINT64,
		ServedFroms: []*topodatapb.Keyspace_ServedFrom{
			{
				TabletType: topodatapb.TabletType_REPLICA,
				Cells:      []string{"c1", "c2"},
				Keyspace:   "test_keyspace3",
			},
			{
				TabletType: topodatapb.TabletType_MASTER,
				Cells:      nil,
				Keyspace:   "test_keyspace3",
			},
		},
	}
	if err := ts.CreateKeyspace(ctx, "test_keyspace2", k); err != nil {
		t.Errorf("CreateKeyspace: %v", err)
	}
	keyspaces, err = ts.GetKeyspaces(ctx)
	if err != nil {
		t.Errorf("GetKeyspaces: %v", err)
	}
	if len(keyspaces) != 2 ||
		keyspaces[0] != "test_keyspace" ||
		keyspaces[1] != "test_keyspace2" {
		t.Errorf("GetKeyspaces: want %v, got %v", []string{"test_keyspace", "test_keyspace2"}, keyspaces)
	}

	// re-read and update.
	storedK, storedVersion, err := ts.GetKeyspace(ctx, "test_keyspace2")
	if err != nil {
		t.Fatalf("GetKeyspace: %v", err)
	}
	storedK.ShardingColumnName = "other_id"
	var newServedFroms []*topodatapb.Keyspace_ServedFrom
	for _, ksf := range storedK.ServedFroms {
		if ksf.TabletType == topodatapb.TabletType_MASTER {
			continue
		}
		if ksf.TabletType == topodatapb.TabletType_REPLICA {
			ksf.Keyspace = "test_keyspace4"
		}
		newServedFroms = append(newServedFroms, ksf)
	}
	storedK.ServedFroms = newServedFroms
	_, err = ts.UpdateKeyspace(ctx, "test_keyspace2", storedK, storedVersion)
	if err != nil {
		t.Fatalf("UpdateKeyspace: %v", err)
	}

	// unconditional update
	storedK.ShardingColumnType = topodatapb.KeyspaceIdType_BYTES
	_, err = ts.UpdateKeyspace(ctx, "test_keyspace2", storedK, -1)
	if err != nil {
		t.Fatalf("UpdateKeyspace(-1): %v", err)
	}

	storedK, storedVersion, err = ts.GetKeyspace(ctx, "test_keyspace2")
	if err != nil {
		t.Fatalf("GetKeyspace: %v", err)
	}
	if storedK.ShardingColumnName != "other_id" ||
		storedK.ShardingColumnType != topodatapb.KeyspaceIdType_BYTES ||
		len(storedK.ServedFroms) != 1 ||
		storedK.ServedFroms[0].TabletType != topodatapb.TabletType_REPLICA ||
//.........这里部分代码省略.........
开发者ID:dumbunny,项目名称:vitess,代码行数:101,代码来源:keyspace.go

示例2: CheckKeyspace

// CheckKeyspace tests the keyspace part of the API
func CheckKeyspace(ctx context.Context, t *testing.T, ts topo.Impl) {
	keyspaces, err := ts.GetKeyspaces(ctx)
	if err != nil {
		t.Errorf("GetKeyspaces(empty): %v", err)
	}
	if len(keyspaces) != 0 {
		t.Errorf("len(GetKeyspaces()) != 0: %v", keyspaces)
	}

	if err := ts.CreateKeyspace(ctx, "test_keyspace", &pb.Keyspace{}); err != nil {
		t.Errorf("CreateKeyspace: %v", err)
	}
	if err := ts.CreateKeyspace(ctx, "test_keyspace", &pb.Keyspace{}); err != topo.ErrNodeExists {
		t.Errorf("CreateKeyspace(again) is not ErrNodeExists: %v", err)
	}

	// Delete and re-create.
	if err := ts.DeleteKeyspace(ctx, "test_keyspace"); err != nil {
		t.Errorf("DeleteKeyspace: %v", err)
	}
	if err := ts.CreateKeyspace(ctx, "test_keyspace", &pb.Keyspace{}); err != nil {
		t.Errorf("CreateKeyspace: %v", err)
	}

	keyspaces, err = ts.GetKeyspaces(ctx)
	if err != nil {
		t.Errorf("GetKeyspaces: %v", err)
	}
	if len(keyspaces) != 1 || keyspaces[0] != "test_keyspace" {
		t.Errorf("GetKeyspaces: want %v, got %v", []string{"test_keyspace"}, keyspaces)
	}

	k := &pb.Keyspace{
		ShardingColumnName: "user_id",
		ShardingColumnType: pb.KeyspaceIdType_UINT64,
		ServedFroms: []*pb.Keyspace_ServedFrom{
			&pb.Keyspace_ServedFrom{
				TabletType: pb.TabletType_REPLICA,
				Cells:      []string{"c1", "c2"},
				Keyspace:   "test_keyspace3",
			},
			&pb.Keyspace_ServedFrom{
				TabletType: pb.TabletType_MASTER,
				Cells:      nil,
				Keyspace:   "test_keyspace3",
			},
		},
		SplitShardCount: 64,
	}
	if err := ts.CreateKeyspace(ctx, "test_keyspace2", k); err != nil {
		t.Errorf("CreateKeyspace: %v", err)
	}
	keyspaces, err = ts.GetKeyspaces(ctx)
	if err != nil {
		t.Errorf("GetKeyspaces: %v", err)
	}
	if len(keyspaces) != 2 ||
		keyspaces[0] != "test_keyspace" ||
		keyspaces[1] != "test_keyspace2" {
		t.Errorf("GetKeyspaces: want %v, got %v", []string{"test_keyspace", "test_keyspace2"}, keyspaces)
	}

	// Call delete shards and make sure the keyspace still exists.
	if err := ts.DeleteKeyspaceShards(ctx, "test_keyspace2"); err != nil {
		t.Errorf("DeleteKeyspaceShards: %v", err)
	}
	storedK, storedVersion, err := ts.GetKeyspace(ctx, "test_keyspace2")
	if err != nil {
		t.Fatalf("GetKeyspace: %v", err)
	}
	if !reflect.DeepEqual(storedK, k) {
		t.Fatalf("returned keyspace doesn't match: got %v expected %v", storedK, k)
	}

	storedK.ShardingColumnName = "other_id"
	storedK.ShardingColumnType = pb.KeyspaceIdType_BYTES
	var newServedFroms []*pb.Keyspace_ServedFrom
	for _, ksf := range storedK.ServedFroms {
		if ksf.TabletType == pb.TabletType_MASTER {
			continue
		}
		if ksf.TabletType == pb.TabletType_REPLICA {
			ksf.Keyspace = "test_keyspace4"
		}
		newServedFroms = append(newServedFroms, ksf)
	}
	storedK.ServedFroms = newServedFroms
	_, err = ts.UpdateKeyspace(ctx, "test_keyspace2", storedK, storedVersion)
	if err != nil {
		t.Fatalf("UpdateKeyspace: %v", err)
	}
	storedK, storedVersion, err = ts.GetKeyspace(ctx, "test_keyspace2")
	if err != nil {
		t.Fatalf("GetKeyspace: %v", err)
	}
	if storedK.ShardingColumnName != "other_id" ||
		storedK.ShardingColumnType != pb.KeyspaceIdType_BYTES ||
		len(storedK.ServedFroms) != 1 ||
		storedK.ServedFroms[0].TabletType != pb.TabletType_REPLICA ||
//.........这里部分代码省略.........
开发者ID:richarwu,项目名称:vitess,代码行数:101,代码来源:keyspace.go


注:本文中的github.com/youtube/vitess/go/vt/topo.Impl.DeleteKeyspace方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。