| // Copyright 2020 Google LLC |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| // Code generated by protoc-gen-go_gapic. DO NOT EDIT. |
| |
| package storage |
| |
| import ( |
| "context" |
| "fmt" |
| "math" |
| "net/url" |
| "time" |
| |
| gax "github.com/googleapis/gax-go/v2" |
| "google.golang.org/api/option" |
| gtransport "google.golang.org/api/transport/grpc" |
| storagepb "google.golang.org/genproto/googleapis/cloud/bigquery/storage/v1alpha2" |
| "google.golang.org/grpc" |
| "google.golang.org/grpc/codes" |
| "google.golang.org/grpc/metadata" |
| ) |
| |
| var newBigQueryWriteClientHook clientHook |
| |
| // BigQueryWriteCallOptions contains the retry settings for each method of BigQueryWriteClient. |
| type BigQueryWriteCallOptions struct { |
| CreateWriteStream []gax.CallOption |
| AppendRows []gax.CallOption |
| GetWriteStream []gax.CallOption |
| FinalizeWriteStream []gax.CallOption |
| BatchCommitWriteStreams []gax.CallOption |
| FlushRows []gax.CallOption |
| } |
| |
| func defaultBigQueryWriteClientOptions() []option.ClientOption { |
| return []option.ClientOption{ |
| option.WithEndpoint("bigquerystorage.googleapis.com:443"), |
| option.WithGRPCDialOption(grpc.WithDisableServiceConfig()), |
| option.WithScopes(DefaultAuthScopes()...), |
| option.WithGRPCDialOption(grpc.WithDefaultCallOptions( |
| grpc.MaxCallRecvMsgSize(math.MaxInt32))), |
| } |
| } |
| |
| func defaultBigQueryWriteCallOptions() *BigQueryWriteCallOptions { |
| return &BigQueryWriteCallOptions{ |
| CreateWriteStream: []gax.CallOption{ |
| gax.WithRetry(func() gax.Retryer { |
| return gax.OnCodes([]codes.Code{ |
| codes.DeadlineExceeded, |
| codes.Unavailable, |
| }, gax.Backoff{ |
| Initial: 100 * time.Millisecond, |
| Max: 60000 * time.Millisecond, |
| Multiplier: 1.30, |
| }) |
| }), |
| }, |
| AppendRows: []gax.CallOption{ |
| gax.WithRetry(func() gax.Retryer { |
| return gax.OnCodes([]codes.Code{ |
| codes.Unavailable, |
| }, gax.Backoff{ |
| Initial: 100 * time.Millisecond, |
| Max: 60000 * time.Millisecond, |
| Multiplier: 1.30, |
| }) |
| }), |
| }, |
| GetWriteStream: []gax.CallOption{ |
| gax.WithRetry(func() gax.Retryer { |
| return gax.OnCodes([]codes.Code{ |
| codes.DeadlineExceeded, |
| codes.Unavailable, |
| }, gax.Backoff{ |
| Initial: 100 * time.Millisecond, |
| Max: 60000 * time.Millisecond, |
| Multiplier: 1.30, |
| }) |
| }), |
| }, |
| FinalizeWriteStream: []gax.CallOption{ |
| gax.WithRetry(func() gax.Retryer { |
| return gax.OnCodes([]codes.Code{ |
| codes.DeadlineExceeded, |
| codes.Unavailable, |
| }, gax.Backoff{ |
| Initial: 100 * time.Millisecond, |
| Max: 60000 * time.Millisecond, |
| Multiplier: 1.30, |
| }) |
| }), |
| }, |
| BatchCommitWriteStreams: []gax.CallOption{ |
| gax.WithRetry(func() gax.Retryer { |
| return gax.OnCodes([]codes.Code{ |
| codes.DeadlineExceeded, |
| codes.Unavailable, |
| }, gax.Backoff{ |
| Initial: 100 * time.Millisecond, |
| Max: 60000 * time.Millisecond, |
| Multiplier: 1.30, |
| }) |
| }), |
| }, |
| FlushRows: []gax.CallOption{}, |
| } |
| } |
| |
| // BigQueryWriteClient is a client for interacting with BigQuery Storage API. |
| // |
| // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls. |
| type BigQueryWriteClient struct { |
| // Connection pool of gRPC connections to the service. |
| connPool gtransport.ConnPool |
| |
| // The gRPC API client. |
| bigQueryWriteClient storagepb.BigQueryWriteClient |
| |
| // The call options for this service. |
| CallOptions *BigQueryWriteCallOptions |
| |
| // The x-goog-* metadata to be sent with each request. |
| xGoogMetadata metadata.MD |
| } |
| |
| // NewBigQueryWriteClient creates a new big query write client. |
| // |
| // BigQuery Write API. |
| // |
| // The Write API can be used to write data to BigQuery. |
| func NewBigQueryWriteClient(ctx context.Context, opts ...option.ClientOption) (*BigQueryWriteClient, error) { |
| clientOpts := defaultBigQueryWriteClientOptions() |
| |
| if newBigQueryWriteClientHook != nil { |
| hookOpts, err := newBigQueryWriteClientHook(ctx, clientHookParams{}) |
| if err != nil { |
| return nil, err |
| } |
| clientOpts = append(clientOpts, hookOpts...) |
| } |
| |
| connPool, err := gtransport.DialPool(ctx, append(clientOpts, opts...)...) |
| if err != nil { |
| return nil, err |
| } |
| c := &BigQueryWriteClient{ |
| connPool: connPool, |
| CallOptions: defaultBigQueryWriteCallOptions(), |
| |
| bigQueryWriteClient: storagepb.NewBigQueryWriteClient(connPool), |
| } |
| c.setGoogleClientInfo() |
| |
| return c, nil |
| } |
| |
| // Connection returns a connection to the API service. |
| // |
| // Deprecated. |
| func (c *BigQueryWriteClient) Connection() *grpc.ClientConn { |
| return c.connPool.Conn() |
| } |
| |
| // Close closes the connection to the API service. The user should invoke this when |
| // the client is no longer required. |
| func (c *BigQueryWriteClient) Close() error { |
| return c.connPool.Close() |
| } |
| |
| // 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 (c *BigQueryWriteClient) setGoogleClientInfo(keyval ...string) { |
| kv := append([]string{"gl-go", versionGo()}, keyval...) |
| kv = append(kv, "gapic", versionClient, "gax", gax.Version, "grpc", grpc.Version) |
| c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...)) |
| } |
| |
| // CreateWriteStream creates a write stream to the given table. |
| func (c *BigQueryWriteClient) CreateWriteStream(ctx context.Context, req *storagepb.CreateWriteStreamRequest, opts ...gax.CallOption) (*storagepb.WriteStream, error) { |
| md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))) |
| ctx = insertMetadata(ctx, c.xGoogMetadata, md) |
| opts = append(c.CallOptions.CreateWriteStream[0:len(c.CallOptions.CreateWriteStream):len(c.CallOptions.CreateWriteStream)], opts...) |
| var resp *storagepb.WriteStream |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.bigQueryWriteClient.CreateWriteStream(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |
| |
| // AppendRows appends data to the given stream. |
| // |
| // If offset is specified, the offset is checked against the end of |
| // stream. The server returns OUT_OF_RANGE in AppendRowsResponse if an |
| // attempt is made to append to an offset beyond the current end of the stream |
| // or ALREADY_EXISTS if user provids an offset that has already been |
| // written to. User can retry with adjusted offset within the same RPC |
| // stream. If offset is not specified, append happens at the end of the |
| // stream. |
| // |
| // The response contains the offset at which the append happened. Responses |
| // are received in the same order in which requests are sent. There will be |
| // one response for each successful request. If the offset is not set in |
| // response, it means append didn’t happen due to some errors. If one request |
| // fails, all the subsequent requests will also fail until a success request |
| // is made again. |
| // |
| // If the stream is of PENDING type, data will only be available for read |
| // operations after the stream is committed. |
| func (c *BigQueryWriteClient) AppendRows(ctx context.Context, opts ...gax.CallOption) (storagepb.BigQueryWrite_AppendRowsClient, error) { |
| ctx = insertMetadata(ctx, c.xGoogMetadata) |
| opts = append(c.CallOptions.AppendRows[0:len(c.CallOptions.AppendRows):len(c.CallOptions.AppendRows)], opts...) |
| var resp storagepb.BigQueryWrite_AppendRowsClient |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.bigQueryWriteClient.AppendRows(ctx, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |
| |
| // GetWriteStream gets a write stream. |
| func (c *BigQueryWriteClient) GetWriteStream(ctx context.Context, req *storagepb.GetWriteStreamRequest, opts ...gax.CallOption) (*storagepb.WriteStream, error) { |
| md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))) |
| ctx = insertMetadata(ctx, c.xGoogMetadata, md) |
| opts = append(c.CallOptions.GetWriteStream[0:len(c.CallOptions.GetWriteStream):len(c.CallOptions.GetWriteStream)], opts...) |
| var resp *storagepb.WriteStream |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.bigQueryWriteClient.GetWriteStream(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |
| |
| // FinalizeWriteStream finalize a write stream so that no new data can be appended to the |
| // stream. |
| func (c *BigQueryWriteClient) FinalizeWriteStream(ctx context.Context, req *storagepb.FinalizeWriteStreamRequest, opts ...gax.CallOption) (*storagepb.FinalizeWriteStreamResponse, error) { |
| md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))) |
| ctx = insertMetadata(ctx, c.xGoogMetadata, md) |
| opts = append(c.CallOptions.FinalizeWriteStream[0:len(c.CallOptions.FinalizeWriteStream):len(c.CallOptions.FinalizeWriteStream)], opts...) |
| var resp *storagepb.FinalizeWriteStreamResponse |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.bigQueryWriteClient.FinalizeWriteStream(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |
| |
| // BatchCommitWriteStreams atomically commits a group of PENDING streams that belong to the same |
| // parent table. |
| // Streams must be finalized before commit and cannot be committed multiple |
| // times. Once a stream is committed, data in the stream becomes available |
| // for read operations. |
| func (c *BigQueryWriteClient) BatchCommitWriteStreams(ctx context.Context, req *storagepb.BatchCommitWriteStreamsRequest, opts ...gax.CallOption) (*storagepb.BatchCommitWriteStreamsResponse, error) { |
| md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))) |
| ctx = insertMetadata(ctx, c.xGoogMetadata, md) |
| opts = append(c.CallOptions.BatchCommitWriteStreams[0:len(c.CallOptions.BatchCommitWriteStreams):len(c.CallOptions.BatchCommitWriteStreams)], opts...) |
| var resp *storagepb.BatchCommitWriteStreamsResponse |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.bigQueryWriteClient.BatchCommitWriteStreams(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |
| |
| // FlushRows flushes rows to a BUFFERED stream. |
| // If users are appending rows to BUFFERED stream, flush operation is |
| // required in order for the rows to become available for reading. A |
| // Flush operation flushes up to any previously flushed offset in a BUFFERED |
| // stream, to the offset specified in the request. |
| func (c *BigQueryWriteClient) FlushRows(ctx context.Context, req *storagepb.FlushRowsRequest, opts ...gax.CallOption) (*storagepb.FlushRowsResponse, error) { |
| md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "write_stream", url.QueryEscape(req.GetWriteStream()))) |
| ctx = insertMetadata(ctx, c.xGoogMetadata, md) |
| opts = append(c.CallOptions.FlushRows[0:len(c.CallOptions.FlushRows):len(c.CallOptions.FlushRows)], opts...) |
| var resp *storagepb.FlushRowsResponse |
| err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { |
| var err error |
| resp, err = c.bigQueryWriteClient.FlushRows(ctx, req, settings.GRPC...) |
| return err |
| }, opts...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |