bigquery/storage/apiv1beta2/big_query_write_client.go - gocloud - Git at Google

 // Copyright 2022 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"
 	"google.golang.org/api/option/internaloption"
 	gtransport "google.golang.org/api/transport/grpc"
 	storagepb "google.golang.org/genproto/googleapis/cloud/bigquery/storage/v1beta2"
 	"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 defaultBigQueryWriteGRPCClientOptions() []option.ClientOption {
 	return []option.ClientOption{
 		internaloption.WithDefaultEndpoint("bigquerystorage.googleapis.com:443"),
 		internaloption.WithDefaultMTLSEndpoint("bigquerystorage.mtls.googleapis.com:443"),
 		internaloption.WithDefaultAudience("https://bigquerystorage.googleapis.com/"),
 		internaloption.WithDefaultScopes(DefaultAuthScopes()...),
 		internaloption.EnableJwtWithScope(),
 		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,
 					codes.ResourceExhausted,
 				}, 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,
 					codes.ResourceExhausted,
 				}, 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{
 			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,
 				})
 			}),
 		},
 	}
 }

 // internalBigQueryWriteClient is an interface that defines the methods availaible from BigQuery Storage API.
 type internalBigQueryWriteClient interface {
 	Close() error
 	setGoogleClientInfo(...string)
 	Connection() *grpc.ClientConn
 	CreateWriteStream(context.Context, *storagepb.CreateWriteStreamRequest, ...gax.CallOption) (*storagepb.WriteStream, error)
 	AppendRows(context.Context, ...gax.CallOption) (storagepb.BigQueryWrite_AppendRowsClient, error)
 	GetWriteStream(context.Context, *storagepb.GetWriteStreamRequest, ...gax.CallOption) (*storagepb.WriteStream, error)
 	FinalizeWriteStream(context.Context, *storagepb.FinalizeWriteStreamRequest, ...gax.CallOption) (*storagepb.FinalizeWriteStreamResponse, error)
 	BatchCommitWriteStreams(context.Context, *storagepb.BatchCommitWriteStreamsRequest, ...gax.CallOption) (*storagepb.BatchCommitWriteStreamsResponse, error)
 	FlushRows(context.Context, *storagepb.FlushRowsRequest, ...gax.CallOption) (*storagepb.FlushRowsResponse, error)
 }

 // 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.
 //
 // BigQuery Write API.
 //
 // The Write API can be used to write data to BigQuery.
 type BigQueryWriteClient struct {
 	// The internal transport-dependent client.
 	internalClient internalBigQueryWriteClient

 	// The call options for this service.
 	CallOptions *BigQueryWriteCallOptions
 }

 // Wrapper methods routed to the internal client.

 // 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.internalClient.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) {
 	c.internalClient.setGoogleClientInfo(keyval...)
 }

 // Connection returns a connection to the API service.
 //
 // Deprecated.
 func (c *BigQueryWriteClient) Connection() *grpc.ClientConn {
 	return c.internalClient.Connection()
 }

 // CreateWriteStream creates a write stream to the given table.
 // Additionally, every table has a special COMMITTED stream named ‘_default’
 // to which data can be written. This stream doesn’t need to be created using
 // CreateWriteStream. It is a stream that can be used simultaneously by any
 // number of clients. Data written to this stream is considered committed as
 // soon as an acknowledgement is received.
 func (c *BigQueryWriteClient) CreateWriteStream(ctx context.Context, req *storagepb.CreateWriteStreamRequest, opts ...gax.CallOption) (*storagepb.WriteStream, error) {
 	return c.internalClient.CreateWriteStream(ctx, req, opts...)
 }

 // 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) {
 	return c.internalClient.AppendRows(ctx, opts...)
 }

 // GetWriteStream gets a write stream.
 func (c *BigQueryWriteClient) GetWriteStream(ctx context.Context, req *storagepb.GetWriteStreamRequest, opts ...gax.CallOption) (*storagepb.WriteStream, error) {
 	return c.internalClient.GetWriteStream(ctx, req, opts...)
 }

 // FinalizeWriteStream finalize a write stream so that no new data can be appended to the
 // stream. Finalize is not supported on the ‘_default’ stream.
 func (c *BigQueryWriteClient) FinalizeWriteStream(ctx context.Context, req *storagepb.FinalizeWriteStreamRequest, opts ...gax.CallOption) (*storagepb.FinalizeWriteStreamResponse, error) {
 	return c.internalClient.FinalizeWriteStream(ctx, req, opts...)
 }

 // 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) {
 	return c.internalClient.BatchCommitWriteStreams(ctx, req, opts...)
 }

 // 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.
 // Flush is not supported on the _default stream, since it is not BUFFERED.
 func (c *BigQueryWriteClient) FlushRows(ctx context.Context, req *storagepb.FlushRowsRequest, opts ...gax.CallOption) (*storagepb.FlushRowsResponse, error) {
 	return c.internalClient.FlushRows(ctx, req, opts...)
 }

 // bigQueryWriteGRPCClient is a client for interacting with BigQuery Storage API over gRPC transport.
 //
 // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
 type bigQueryWriteGRPCClient struct {
 	// Connection pool of gRPC connections to the service.
 	connPool gtransport.ConnPool

 	// flag to opt out of default deadlines via GOOGLE_API_GO_EXPERIMENTAL_DISABLE_DEFAULT_DEADLINE
 	disableDeadlines bool

 	// Points back to the CallOptions field of the containing BigQueryWriteClient
 	CallOptions **BigQueryWriteCallOptions

 	// The gRPC API client.
 	bigQueryWriteClient storagepb.BigQueryWriteClient

 	// The x-goog-* metadata to be sent with each request.
 	xGoogMetadata metadata.MD
 }

 // NewBigQueryWriteClient creates a new big query write client based on gRPC.
 // The returned client must be Closed when it is done being used to clean up its underlying connections.
 //
 // 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 := defaultBigQueryWriteGRPCClientOptions()
 	if newBigQueryWriteClientHook != nil {
 		hookOpts, err := newBigQueryWriteClientHook(ctx, clientHookParams{})
 		if err != nil {
 			return nil, err
 		}
 		clientOpts = append(clientOpts, hookOpts...)
 	}

 	disableDeadlines, err := checkDisableDeadlines()
 	if err != nil {
 		return nil, err
 	}

 	connPool, err := gtransport.DialPool(ctx, append(clientOpts, opts...)...)
 	if err != nil {
 		return nil, err
 	}
 	client := BigQueryWriteClient{CallOptions: defaultBigQueryWriteCallOptions()}

 	c := &bigQueryWriteGRPCClient{
 		connPool:            connPool,
 		disableDeadlines:    disableDeadlines,
 		bigQueryWriteClient: storagepb.NewBigQueryWriteClient(connPool),
 		CallOptions:         &client.CallOptions,
 	}
 	c.setGoogleClientInfo()

 	client.internalClient = c

 	return &client, nil
 }

 // Connection returns a connection to the API service.
 //
 // Deprecated.
 func (c *bigQueryWriteGRPCClient) Connection() *grpc.ClientConn {
 	return c.connPool.Conn()
 }

 // 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 *bigQueryWriteGRPCClient) setGoogleClientInfo(keyval ...string) {
 	kv := append([]string{"gl-go", versionGo()}, keyval...)
 	kv = append(kv, "gapic", getVersionClient(), "gax", gax.Version, "grpc", grpc.Version)
 	c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...))
 }

 // Close closes the connection to the API service. The user should invoke this when
 // the client is no longer required.
 func (c *bigQueryWriteGRPCClient) Close() error {
 	return c.connPool.Close()
 }

 func (c *bigQueryWriteGRPCClient) CreateWriteStream(ctx context.Context, req *storagepb.CreateWriteStreamRequest, opts ...gax.CallOption) (*storagepb.WriteStream, error) {
 	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
 		cctx, cancel := context.WithTimeout(ctx, 600000*time.Millisecond)
 		defer cancel()
 		ctx = cctx
 	}
 	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
 }

 func (c *bigQueryWriteGRPCClient) AppendRows(ctx context.Context, opts ...gax.CallOption) (storagepb.BigQueryWrite_AppendRowsClient, error) {
 	ctx = insertMetadata(ctx, c.xGoogMetadata)
 	var resp storagepb.BigQueryWrite_AppendRowsClient
 	opts = append((*c.CallOptions).AppendRows[0:len((*c.CallOptions).AppendRows):len((*c.CallOptions).AppendRows)], opts...)
 	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
 }

 func (c *bigQueryWriteGRPCClient) GetWriteStream(ctx context.Context, req *storagepb.GetWriteStreamRequest, opts ...gax.CallOption) (*storagepb.WriteStream, error) {
 	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
 		cctx, cancel := context.WithTimeout(ctx, 600000*time.Millisecond)
 		defer cancel()
 		ctx = cctx
 	}
 	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
 }

 func (c *bigQueryWriteGRPCClient) FinalizeWriteStream(ctx context.Context, req *storagepb.FinalizeWriteStreamRequest, opts ...gax.CallOption) (*storagepb.FinalizeWriteStreamResponse, error) {
 	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
 		cctx, cancel := context.WithTimeout(ctx, 600000*time.Millisecond)
 		defer cancel()
 		ctx = cctx
 	}
 	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
 }

 func (c *bigQueryWriteGRPCClient) BatchCommitWriteStreams(ctx context.Context, req *storagepb.BatchCommitWriteStreamsRequest, opts ...gax.CallOption) (*storagepb.BatchCommitWriteStreamsResponse, error) {
 	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
 		cctx, cancel := context.WithTimeout(ctx, 600000*time.Millisecond)
 		defer cancel()
 		ctx = cctx
 	}
 	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
 }

 func (c *bigQueryWriteGRPCClient) FlushRows(ctx context.Context, req *storagepb.FlushRowsRequest, opts ...gax.CallOption) (*storagepb.FlushRowsResponse, error) {
 	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
 		cctx, cancel := context.WithTimeout(ctx, 600000*time.Millisecond)
 		defer cancel()
 		ctx = cctx
 	}
 	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
 }
	// Copyright 2022 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"
	"google.golang.org/api/option/internaloption"
	gtransport "google.golang.org/api/transport/grpc"
	storagepb "google.golang.org/genproto/googleapis/cloud/bigquery/storage/v1beta2"
	"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 defaultBigQueryWriteGRPCClientOptions() []option.ClientOption {
	return []option.ClientOption{
	internaloption.WithDefaultEndpoint("bigquerystorage.googleapis.com:443"),
	internaloption.WithDefaultMTLSEndpoint("bigquerystorage.mtls.googleapis.com:443"),
	internaloption.WithDefaultAudience("https://bigquerystorage.googleapis.com/"),
	internaloption.WithDefaultScopes(DefaultAuthScopes()...),
	internaloption.EnableJwtWithScope(),
	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,
	codes.ResourceExhausted,
	}, 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,
	codes.ResourceExhausted,
	}, 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{
	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,
	})
	}),
	},
	}
	}

	// internalBigQueryWriteClient is an interface that defines the methods availaible from BigQuery Storage API.
	type internalBigQueryWriteClient interface {
	Close() error
	setGoogleClientInfo(...string)
	Connection() *grpc.ClientConn
	CreateWriteStream(context.Context, storagepb.CreateWriteStreamRequest, ...gax.CallOption) (storagepb.WriteStream, error)
	AppendRows(context.Context, ...gax.CallOption) (storagepb.BigQueryWrite_AppendRowsClient, error)
	GetWriteStream(context.Context, storagepb.GetWriteStreamRequest, ...gax.CallOption) (storagepb.WriteStream, error)
	FinalizeWriteStream(context.Context, storagepb.FinalizeWriteStreamRequest, ...gax.CallOption) (storagepb.FinalizeWriteStreamResponse, error)
	BatchCommitWriteStreams(context.Context, storagepb.BatchCommitWriteStreamsRequest, ...gax.CallOption) (storagepb.BatchCommitWriteStreamsResponse, error)
	FlushRows(context.Context, storagepb.FlushRowsRequest, ...gax.CallOption) (storagepb.FlushRowsResponse, error)
	}

	// 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.
	//
	// BigQuery Write API.
	//
	// The Write API can be used to write data to BigQuery.
	type BigQueryWriteClient struct {
	// The internal transport-dependent client.
	internalClient internalBigQueryWriteClient

	// The call options for this service.
	CallOptions *BigQueryWriteCallOptions
	}

	// Wrapper methods routed to the internal client.

	// 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.internalClient.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) {
	c.internalClient.setGoogleClientInfo(keyval...)
	}

	// Connection returns a connection to the API service.
	//
	// Deprecated.
	func (c BigQueryWriteClient) Connection() grpc.ClientConn {
	return c.internalClient.Connection()
	}

	// CreateWriteStream creates a write stream to the given table.
	// Additionally, every table has a special COMMITTED stream named ‘_default’
	// to which data can be written. This stream doesn’t need to be created using
	// CreateWriteStream. It is a stream that can be used simultaneously by any
	// number of clients. Data written to this stream is considered committed as
	// soon as an acknowledgement is received.
	func (c BigQueryWriteClient) CreateWriteStream(ctx context.Context, req storagepb.CreateWriteStreamRequest, opts ...gax.CallOption) (*storagepb.WriteStream, error) {
	return c.internalClient.CreateWriteStream(ctx, req, opts...)
	}

	// 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) {
	return c.internalClient.AppendRows(ctx, opts...)
	}

	// GetWriteStream gets a write stream.
	func (c BigQueryWriteClient) GetWriteStream(ctx context.Context, req storagepb.GetWriteStreamRequest, opts ...gax.CallOption) (*storagepb.WriteStream, error) {
	return c.internalClient.GetWriteStream(ctx, req, opts...)
	}

	// FinalizeWriteStream finalize a write stream so that no new data can be appended to the
	// stream. Finalize is not supported on the ‘_default’ stream.
	func (c BigQueryWriteClient) FinalizeWriteStream(ctx context.Context, req storagepb.FinalizeWriteStreamRequest, opts ...gax.CallOption) (*storagepb.FinalizeWriteStreamResponse, error) {
	return c.internalClient.FinalizeWriteStream(ctx, req, opts...)
	}

	// 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) {
	return c.internalClient.BatchCommitWriteStreams(ctx, req, opts...)
	}

	// 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.
	// Flush is not supported on the _default stream, since it is not BUFFERED.
	func (c BigQueryWriteClient) FlushRows(ctx context.Context, req storagepb.FlushRowsRequest, opts ...gax.CallOption) (*storagepb.FlushRowsResponse, error) {
	return c.internalClient.FlushRows(ctx, req, opts...)
	}

	// bigQueryWriteGRPCClient is a client for interacting with BigQuery Storage API over gRPC transport.
	//
	// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
	type bigQueryWriteGRPCClient struct {
	// Connection pool of gRPC connections to the service.
	connPool gtransport.ConnPool

	// flag to opt out of default deadlines via GOOGLE_API_GO_EXPERIMENTAL_DISABLE_DEFAULT_DEADLINE
	disableDeadlines bool

	// Points back to the CallOptions field of the containing BigQueryWriteClient
	CallOptions **BigQueryWriteCallOptions

	// The gRPC API client.
	bigQueryWriteClient storagepb.BigQueryWriteClient

	// The x-goog-* metadata to be sent with each request.
	xGoogMetadata metadata.MD
	}

	// NewBigQueryWriteClient creates a new big query write client based on gRPC.
	// The returned client must be Closed when it is done being used to clean up its underlying connections.
	//
	// 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 := defaultBigQueryWriteGRPCClientOptions()
	if newBigQueryWriteClientHook != nil {
	hookOpts, err := newBigQueryWriteClientHook(ctx, clientHookParams{})
	if err != nil {
	return nil, err
	}
	clientOpts = append(clientOpts, hookOpts...)
	}

	disableDeadlines, err := checkDisableDeadlines()
	if err != nil {
	return nil, err
	}

	connPool, err := gtransport.DialPool(ctx, append(clientOpts, opts...)...)
	if err != nil {
	return nil, err
	}
	client := BigQueryWriteClient{CallOptions: defaultBigQueryWriteCallOptions()}

	c := &bigQueryWriteGRPCClient{
	connPool: connPool,
	disableDeadlines: disableDeadlines,
	bigQueryWriteClient: storagepb.NewBigQueryWriteClient(connPool),
	CallOptions: &client.CallOptions,
	}
	c.setGoogleClientInfo()

	client.internalClient = c

	return &client, nil
	}

	// Connection returns a connection to the API service.
	//
	// Deprecated.
	func (c bigQueryWriteGRPCClient) Connection() grpc.ClientConn {
	return c.connPool.Conn()
	}

	// 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 *bigQueryWriteGRPCClient) setGoogleClientInfo(keyval ...string) {
	kv := append([]string{"gl-go", versionGo()}, keyval...)
	kv = append(kv, "gapic", getVersionClient(), "gax", gax.Version, "grpc", grpc.Version)
	c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...))
	}

	// Close closes the connection to the API service. The user should invoke this when
	// the client is no longer required.
	func (c *bigQueryWriteGRPCClient) Close() error {
	return c.connPool.Close()
	}

	func (c bigQueryWriteGRPCClient) CreateWriteStream(ctx context.Context, req storagepb.CreateWriteStreamRequest, opts ...gax.CallOption) (*storagepb.WriteStream, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
	cctx, cancel := context.WithTimeout(ctx, 600000*time.Millisecond)
	defer cancel()
	ctx = cctx
	}
	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
	}

	func (c *bigQueryWriteGRPCClient) AppendRows(ctx context.Context, opts ...gax.CallOption) (storagepb.BigQueryWrite_AppendRowsClient, error) {
	ctx = insertMetadata(ctx, c.xGoogMetadata)
	var resp storagepb.BigQueryWrite_AppendRowsClient
	opts = append((c.CallOptions).AppendRows[0:len((c.CallOptions).AppendRows):len((*c.CallOptions).AppendRows)], opts...)
	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
	}

	func (c bigQueryWriteGRPCClient) GetWriteStream(ctx context.Context, req storagepb.GetWriteStreamRequest, opts ...gax.CallOption) (*storagepb.WriteStream, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
	cctx, cancel := context.WithTimeout(ctx, 600000*time.Millisecond)
	defer cancel()
	ctx = cctx
	}
	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
	}

	func (c bigQueryWriteGRPCClient) FinalizeWriteStream(ctx context.Context, req storagepb.FinalizeWriteStreamRequest, opts ...gax.CallOption) (*storagepb.FinalizeWriteStreamResponse, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
	cctx, cancel := context.WithTimeout(ctx, 600000*time.Millisecond)
	defer cancel()
	ctx = cctx
	}
	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
	}

	func (c bigQueryWriteGRPCClient) BatchCommitWriteStreams(ctx context.Context, req storagepb.BatchCommitWriteStreamsRequest, opts ...gax.CallOption) (*storagepb.BatchCommitWriteStreamsResponse, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
	cctx, cancel := context.WithTimeout(ctx, 600000*time.Millisecond)
	defer cancel()
	ctx = cctx
	}
	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
	}

	func (c bigQueryWriteGRPCClient) FlushRows(ctx context.Context, req storagepb.FlushRowsRequest, opts ...gax.CallOption) (*storagepb.FlushRowsResponse, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
	cctx, cancel := context.WithTimeout(ctx, 600000*time.Millisecond)
	defer cancel()
	ctx = cctx
	}
	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
	}