/
big_query_write_client.go
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/
big_query_write_client.go
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// Copyright 2021 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/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{
internaloption.WithDefaultEndpoint("bigquerystorage.googleapis.com:443"),
internaloption.WithDefaultMTLSEndpoint("bigquerystorage.mtls.googleapis.com:443"),
internaloption.WithDefaultAudience("https://bigquerystorage.googleapis.com/"),
internaloption.WithDefaultScopes(DefaultAuthScopes()...),
option.WithGRPCDialOption(grpc.WithDisableServiceConfig()),
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{},
}
}
// 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
// flag to opt out of default deadlines via GOOGLE_API_GO_EXPERIMENTAL_DISABLE_DEFAULT_DEADLINE
disableDeadlines bool
// 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...)
}
disableDeadlines, err := checkDisableDeadlines()
if err != nil {
return nil, err
}
connPool, err := gtransport.DialPool(ctx, append(clientOpts, opts...)...)
if err != nil {
return nil, err
}
c := &BigQueryWriteClient{
connPool: connPool,
disableDeadlines: disableDeadlines,
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.
// 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) {
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
}
// 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) {
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
}
// 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) {
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
}
// 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) {
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
}
// 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) {
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
}