database

package
v0.7.0 Latest Latest
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 Go to latest Published: Mar 10, 2017 License: Apache-2.0 Imports: 15 Imported by: 0

Documentation

Overview

Package database is an experimental, auto-generated package for the database API.

Index

Examples

Constants

This section is empty.

Variables

This section is empty.

Functions

func DatabaseAdminDatabasePath 

func DatabaseAdminDatabasePath(project, instance, database string) string

DatabaseAdminDatabasePath returns the path for the database resource.

func DatabaseAdminInstancePath 

func DatabaseAdminInstancePath(project, instance string) string

DatabaseAdminInstancePath returns the path for the instance resource.

Types

type DatabaseAdminCallOptions 

type DatabaseAdminCallOptions struct {
	ListDatabases      []gax.CallOption
	CreateDatabase     []gax.CallOption
	GetDatabase        []gax.CallOption
	UpdateDatabaseDdl  []gax.CallOption
	DropDatabase       []gax.CallOption
	GetDatabaseDdl     []gax.CallOption
	SetIamPolicy       []gax.CallOption
	GetIamPolicy       []gax.CallOption
	TestIamPermissions []gax.CallOption
}

DatabaseAdminCallOptions contains the retry settings for each method of DatabaseAdminClient.

type DatabaseAdminClient 

type DatabaseAdminClient struct {

	// The call options for this service.
	CallOptions *DatabaseAdminCallOptions
	// contains filtered or unexported fields
}

DatabaseAdminClient is a client for interacting with Cloud Spanner Database Admin API.

func NewDatabaseAdminClient 

func NewDatabaseAdminClient(ctx context.Context, opts ...option.ClientOption) (*DatabaseAdminClient, error)

NewDatabaseAdminClient creates a new database admin client.

Cloud Spanner Database Admin API

The Cloud Spanner Database Admin API can be used to create, drop, and list databases. It also enables updating the schema of pre-existing databases.

Example 
ctx := context.Background()
c, err := database.NewDatabaseAdminClient(ctx)
if err != nil {
	// TODO: Handle error.
}
// TODO: Use client.
_ = c

Output:

func (*DatabaseAdminClient) Close 

func (c *DatabaseAdminClient) Close() error

Close closes the connection to the API service. The user should invoke this when the client is no longer required.

func (*DatabaseAdminClient) Connection 

func (c *DatabaseAdminClient) Connection() *grpc.ClientConn

Connection returns the client's connection to the API service.

func (*DatabaseAdminClient) CreateDatabase 

func (c *DatabaseAdminClient) CreateDatabase(ctx context.Context, req *databasepb.CreateDatabaseRequest) (*DatabaseOperation, error)

CreateDatabase creates a new Cloud Spanner database and starts to prepare it for serving. The returned [long-running operation][google.longrunning.Operation] will have a name of the format `<database_name>/operations/<operation_id>` and can be used to track preparation of the database. The metadata[google.longrunning.Operation.metadata] field type is [CreateDatabaseMetadata][google.spanner.admin.database.v1.CreateDatabaseMetadata]. The [response][google.longrunning.Operation.response] field type is [Database][google.spanner.admin.database.v1.Database], if successful.

Example 
ctx := context.Background()
c, err := database.NewDatabaseAdminClient(ctx)
if err != nil {
	// TODO: Handle error.
}

req := &databasepb.CreateDatabaseRequest{
	// TODO: Fill request struct fields.
}
op, err := c.CreateDatabase(ctx, req)
if err != nil {
	// TODO: Handle error.
}

resp, err := op.Wait(ctx)
if err != nil {
	// TODO: Handle error.
}
// TODO: Use resp.
_ = resp

Output:

func (*DatabaseAdminClient) DatabaseOperation 

func (c *DatabaseAdminClient) DatabaseOperation(name string) *DatabaseOperation

DatabaseOperation returns a new DatabaseOperation from a given name. The name must be that of a previously created DatabaseOperation, possibly from a different process.

func (*DatabaseAdminClient) DropDatabase 

func (c *DatabaseAdminClient) DropDatabase(ctx context.Context, req *databasepb.DropDatabaseRequest) error

DropDatabase drops (aka deletes) a Cloud Spanner database.

Example 
ctx := context.Background()
c, err := database.NewDatabaseAdminClient(ctx)
if err != nil {
	// TODO: Handle error.
}

req := &databasepb.DropDatabaseRequest{
	// TODO: Fill request struct fields.
}
err = c.DropDatabase(ctx, req)
if err != nil {
	// TODO: Handle error.
}

Output:

func (*DatabaseAdminClient) EmptyOperation 

func (c *DatabaseAdminClient) EmptyOperation(name string) *EmptyOperation

EmptyOperation returns a new EmptyOperation from a given name. The name must be that of a previously created EmptyOperation, possibly from a different process.

func (*DatabaseAdminClient) GetDatabase 

func (c *DatabaseAdminClient) GetDatabase(ctx context.Context, req *databasepb.GetDatabaseRequest) (*databasepb.Database, error)

GetDatabase gets the state of a Cloud Spanner database.

Example 
ctx := context.Background()
c, err := database.NewDatabaseAdminClient(ctx)
if err != nil {
	// TODO: Handle error.
}

req := &databasepb.GetDatabaseRequest{
	// TODO: Fill request struct fields.
}
resp, err := c.GetDatabase(ctx, req)
if err != nil {
	// TODO: Handle error.
}
// TODO: Use resp.
_ = resp

Output:

func (*DatabaseAdminClient) GetDatabaseDdl 

func (c *DatabaseAdminClient) GetDatabaseDdl(ctx context.Context, req *databasepb.GetDatabaseDdlRequest) (*databasepb.GetDatabaseDdlResponse, error)

GetDatabaseDdl returns the schema of a Cloud Spanner database as a list of formatted DDL statements. This method does not show pending schema updates, those may be queried using the [Operations][google.longrunning.Operations] API.

Example 
ctx := context.Background()
c, err := database.NewDatabaseAdminClient(ctx)
if err != nil {
	// TODO: Handle error.
}

req := &databasepb.GetDatabaseDdlRequest{
	// TODO: Fill request struct fields.
}
resp, err := c.GetDatabaseDdl(ctx, req)
if err != nil {
	// TODO: Handle error.
}
// TODO: Use resp.
_ = resp

Output:

func (*DatabaseAdminClient) GetIamPolicy 

func (c *DatabaseAdminClient) GetIamPolicy(ctx context.Context, req *iampb.GetIamPolicyRequest) (*iampb.Policy, error)

GetIamPolicy gets the access control policy for a database resource. Returns an empty policy if a database exists but does not have a policy set.

Authorization requires `spanner.databases.getIamPolicy` permission on [resource][google.iam.v1.GetIamPolicyRequest.resource].

Example 
ctx := context.Background()
c, err := database.NewDatabaseAdminClient(ctx)
if err != nil {
	// TODO: Handle error.
}

req := &iampb.GetIamPolicyRequest{
	// TODO: Fill request struct fields.
}
resp, err := c.GetIamPolicy(ctx, req)
if err != nil {
	// TODO: Handle error.
}
// TODO: Use resp.
_ = resp

Output:

func (*DatabaseAdminClient) ListDatabases 

func (c *DatabaseAdminClient) ListDatabases(ctx context.Context, req *databasepb.ListDatabasesRequest) *DatabaseIterator

ListDatabases lists Cloud Spanner databases.

Example 
ctx := context.Background()
c, err := database.NewDatabaseAdminClient(ctx)
if err != nil {
	// TODO: Handle error.
}

req := &databasepb.ListDatabasesRequest{
	// TODO: Fill request struct fields.
}
it := c.ListDatabases(ctx, req)
for {
	resp, err := it.Next()
	if err != nil {
		// TODO: Handle error.
		break
	}
	// TODO: Use resp.
	_ = resp
}

Output:

func (*DatabaseAdminClient) SetGoogleClientInfo 

func (c *DatabaseAdminClient) SetGoogleClientInfo(keyval ...string)

SetGoogleClientInfo sets the name and version of the application in the `x-goog-api-client` header passed on each request. Intended for use by Google-written clients.

func (*DatabaseAdminClient) SetIamPolicy 

func (c *DatabaseAdminClient) SetIamPolicy(ctx context.Context, req *iampb.SetIamPolicyRequest) (*iampb.Policy, error)

SetIamPolicy sets the access control policy on a database resource. Replaces any existing policy.

Authorization requires `spanner.databases.setIamPolicy` permission on [resource][google.iam.v1.SetIamPolicyRequest.resource].

Example 
ctx := context.Background()
c, err := database.NewDatabaseAdminClient(ctx)
if err != nil {
	// TODO: Handle error.
}

req := &iampb.SetIamPolicyRequest{
	// TODO: Fill request struct fields.
}
resp, err := c.SetIamPolicy(ctx, req)
if err != nil {
	// TODO: Handle error.
}
// TODO: Use resp.
_ = resp

Output:

func (*DatabaseAdminClient) TestIamPermissions 

func (c *DatabaseAdminClient) TestIamPermissions(ctx context.Context, req *iampb.TestIamPermissionsRequest) (*iampb.TestIamPermissionsResponse, error)

TestIamPermissions returns permissions that the caller has on the specified database resource.

Attempting this RPC on a non-existent Cloud Spanner database will result in a NOT_FOUND error if the user has `spanner.databases.list` permission on the containing Cloud Spanner instance. Otherwise returns an empty set of permissions.

Example 
ctx := context.Background()
c, err := database.NewDatabaseAdminClient(ctx)
if err != nil {
	// TODO: Handle error.
}

req := &iampb.TestIamPermissionsRequest{
	// TODO: Fill request struct fields.
}
resp, err := c.TestIamPermissions(ctx, req)
if err != nil {
	// TODO: Handle error.
}
// TODO: Use resp.
_ = resp

Output:

func (*DatabaseAdminClient) UpdateDatabaseDdl 

func (c *DatabaseAdminClient) UpdateDatabaseDdl(ctx context.Context, req *databasepb.UpdateDatabaseDdlRequest) (*EmptyOperation, error)

UpdateDatabaseDdl updates the schema of a Cloud Spanner database by creating/altering/dropping tables, columns, indexes, etc. The returned [long-running operation][google.longrunning.Operation] will have a name of the format `<database_name>/operations/<operation_id>` and can be used to track execution of the schema change(s). The metadata[google.longrunning.Operation.metadata] field type is [UpdateDatabaseDdlMetadata][google.spanner.admin.database.v1.UpdateDatabaseDdlMetadata]. The operation has no response.

Example 
ctx := context.Background()
c, err := database.NewDatabaseAdminClient(ctx)
if err != nil {
	// TODO: Handle error.
}

req := &databasepb.UpdateDatabaseDdlRequest{
	// TODO: Fill request struct fields.
}
op, err := c.UpdateDatabaseDdl(ctx, req)
if err != nil {
	// TODO: Handle error.
}

err = op.Wait(ctx)
// TODO: Handle error.

Output:

type DatabaseIterator 

type DatabaseIterator struct {

	// InternalFetch is for use by the Google Cloud Libraries only.
	// It is not part of the stable interface of this package.
	//
	// InternalFetch returns results from a single call to the underlying RPC.
	// The number of results is no greater than pageSize.
	// If there are no more results, nextPageToken is empty and err is nil.
	InternalFetch func(pageSize int, pageToken string) (results []*databasepb.Database, nextPageToken string, err error)
	// contains filtered or unexported fields
}

DatabaseIterator manages a stream of *databasepb.Database.

func (*DatabaseIterator) Next 

func (it *DatabaseIterator) Next() (*databasepb.Database, error)

Next returns the next result. Its second return value is iterator.Done if there are no more results. Once Next returns Done, all subsequent calls will return Done.

func (*DatabaseIterator) PageInfo 

func (it *DatabaseIterator) PageInfo() *iterator.PageInfo

PageInfo supports pagination. See the google.golang.org/api/iterator package for details.

type DatabaseOperation 

type DatabaseOperation struct {
	// contains filtered or unexported fields
}

DatabaseOperation manages a long-running operation yielding databasepb.Database.

func (*DatabaseOperation) Done 

func (op *DatabaseOperation) Done() bool

Done reports whether the long-running operation has completed.

func (*DatabaseOperation) Metadata 

func (op *DatabaseOperation) Metadata() (*databasepb.CreateDatabaseMetadata, error)

Metadata returns metadata associated with the long-running operation. Metadata itself does not contact the server, but Poll does. To get the latest metadata, call this method after a successful call to Poll. If the metadata is not available, the returned metadata and error are both nil.

func (*DatabaseOperation) Name 

func (op *DatabaseOperation) Name() string

Name returns the name of the long-running operation. The name is assigned by the server and is unique within the service from which the operation is created.

func (*DatabaseOperation) Poll 

func (op *DatabaseOperation) Poll(ctx context.Context) (*databasepb.Database, error)

Poll fetches the latest state of the long-running operation.

Poll also fetches the latest metadata, which can be retrieved by Metadata.

If Poll fails, the error is returned and op is unmodified. If Poll succeeds and the operation has completed with failure, the error is returned and op.Done will return true. If Poll succeeds and the operation has completed successfully, op.Done will return true, and the response of the operation is returned. If Poll succeeds and the operation has not completed, the returned response and error are both nil.

func (*DatabaseOperation) Wait 

func (op *DatabaseOperation) Wait(ctx context.Context) (*databasepb.Database, error)

Wait blocks until the long-running operation is completed, returning the response and any errors encountered.

See documentation of Poll for error-handling information.

type EmptyOperation 

type EmptyOperation struct {
	// contains filtered or unexported fields
}

EmptyOperation manages a long-running operation with no result.

func (*EmptyOperation) Done 

func (op *EmptyOperation) Done() bool

Done reports whether the long-running operation has completed.

func (*EmptyOperation) Metadata 

func (op *EmptyOperation) Metadata() (*databasepb.UpdateDatabaseDdlMetadata, error)

Metadata returns metadata associated with the long-running operation. Metadata itself does not contact the server, but Poll does. To get the latest metadata, call this method after a successful call to Poll. If the metadata is not available, the returned metadata and error are both nil.

func (*EmptyOperation) Name 

func (op *EmptyOperation) Name() string

Name returns the name of the long-running operation. The name is assigned by the server and is unique within the service from which the operation is created.

func (*EmptyOperation) Poll 

func (op *EmptyOperation) Poll(ctx context.Context) error

Poll fetches the latest state of the long-running operation.

Poll also fetches the latest metadata, which can be retrieved by Metadata.

If Poll fails, the error is returned and op is unmodified. If Poll succeeds and the operation has completed with failure, the error is returned and op.Done will return true. If Poll succeeds and the operation has completed successfully, op.Done will return true.

func (*EmptyOperation) Wait 

func (op *EmptyOperation) Wait(ctx context.Context) error

Wait blocks until the long-running operation is completed, returning any error encountered.

See documentation of Poll for error-handling information.

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