// NewProtoClient returns a ProtoClient for communicating with a Google cloud service,
// configured with the given ClientOptions.
func NewProtoClient(ctx context.Context, opt ...cloud.ClientOption) (*ProtoClient, error) {
var o opts.DialOpt
for _, opt := range opt {
opt.Resolve(&o)
}
if o.GRPCClient != nil {
return nil, errors.New("unsupported GRPC base transport specified")
}
var client *http.Client
switch {
case o.HTTPClient != nil:
if o.TokenSource != nil {
return nil, errors.New("at most one of WithTokenSource or WithBaseHTTP may be provided")
}
client = o.HTTPClient
case o.TokenSource != nil:
client = oauth2.NewClient(ctx, o.TokenSource)
default:
var err error
client, err = google.DefaultClient(ctx, o.Scopes...)
if err != nil {
return nil, err
}
}
return &ProtoClient{
client: client,
endpoint: o.Endpoint,
userAgent: o.UserAgent,
}, nil
}
func main() {
flag.Parse()
flagsOk := true
if flag.Lookup("project").Value.String() == "" {
fmt.Fprintf(os.Stderr, "Flag --project is required\n")
flagsOk = false
}
var sourceFlagCount int
if flag.Lookup("dataset").Value.String() != "" {
sourceFlagCount++
}
if flag.Lookup("jobid").Value.String() != "" {
sourceFlagCount++
}
if sourceFlagCount != 1 {
fmt.Fprintf(os.Stderr, "Exactly one of --dataset or --jobid must be set\n")
flagsOk = false
}
if !flagsOk {
os.Exit(1)
}
tableRE, err := regexp.Compile(*table)
if err != nil {
fmt.Fprintf(os.Stderr, "--table is not a valid regular expression: %q\n", *table)
os.Exit(1)
}
httpClient, err := google.DefaultClient(context.Background(), bigquery.Scope)
if err != nil {
log.Fatalf("Creating http client: %v", err)
}
client, err := bigquery.NewClient(httpClient, *project)
if err != nil {
log.Fatalf("Creating bigquery client: %v", err)
}
if *jobID != "" {
printQueryResults(client, *jobID)
return
}
ds := client.Dataset(*dataset)
var tables []*bigquery.Table
tables, err = ds.ListTables(context.Background())
if err != nil {
log.Fatalf("Listing tables: %v", err)
}
for _, t := range tables {
if tableRE.MatchString(t.TableID) {
printTable(client, t)
}
}
}
func main() {
flag.Parse()
flagsOk := true
for _, f := range []string{"project", "dataset", "src1", "src2", "dest"} {
if flag.Lookup(f).Value.String() == "" {
fmt.Fprintf(os.Stderr, "Flag --%s is required\n", f)
flagsOk = false
}
}
if !flagsOk {
os.Exit(1)
}
if *src1 == *src2 || *src1 == *dest || *src2 == *dest {
log.Fatalf("Different values must be supplied for each of --src1, --src2 and --dest")
}
httpClient, err := google.DefaultClient(context.Background(), bigquery.Scope)
if err != nil {
log.Fatalf("Creating http client: %v", err)
}
client, err := bigquery.NewClient(httpClient, *project)
if err != nil {
log.Fatalf("Creating bigquery client: %v", err)
}
s1 := &bigquery.Table{
ProjectID: *project,
DatasetID: *dataset,
TableID: *src1,
}
s2 := &bigquery.Table{
ProjectID: *project,
DatasetID: *dataset,
TableID: *src2,
}
d := &bigquery.Table{
ProjectID: *project,
DatasetID: *dataset,
TableID: *dest,
}
// Concatenate data.
job, err := client.Copy(context.Background(), d, bigquery.Tables{s1, s2}, bigquery.WriteTruncate)
if err != nil {
log.Fatalf("Concatenating: %v", err)
}
fmt.Printf("Job for concatenation operation: %+v\n", job)
fmt.Printf("Waiting for job to complete.\n")
for range time.Tick(*pollint) {
status, err := job.Status(context.Background())
if err != nil {
fmt.Printf("Failure determining status: %v", err)
break
}
if !status.Done() {
continue
}
if err := status.Err(); err == nil {
fmt.Printf("Success\n")
} else {
fmt.Printf("Failure: %+v\n", err)
}
break
}
}
func main() {
flag.Parse()
flagsOk := true
for _, f := range []string{"project", "dataset", "table", "bucket", "object"} {
if flag.Lookup(f).Value.String() == "" {
fmt.Fprintf(os.Stderr, "Flag --%s is required\n", f)
flagsOk = false
}
}
if !flagsOk {
os.Exit(1)
}
httpClient, err := google.DefaultClient(context.Background(), bigquery.Scope)
if err != nil {
log.Fatalf("Creating http client: %v", err)
}
client, err := bigquery.NewClient(httpClient, *project)
if err != nil {
log.Fatalf("Creating bigquery client: %v", err)
}
table := &bigquery.Table{
ProjectID: *project,
DatasetID: *dataset,
TableID: *table,
}
gcs := client.NewGCSReference(fmt.Sprintf("gs://%s/%s", *bucket, *object))
gcs.SkipLeadingRows = *skiprows
// Load data from Google Cloud Storage into a BigQuery table.
job, err := client.Copy(
context.Background(), table, gcs,
bigquery.MaxBadRecords(1),
bigquery.AllowQuotedNewlines(),
bigquery.WriteTruncate)
if err != nil {
log.Fatalf("Loading data: %v", err)
}
fmt.Printf("Job for data load operation: %+v\n", job)
fmt.Printf("Waiting for job to complete.\n")
for range time.Tick(*pollint) {
status, err := job.Status(context.Background())
if err != nil {
fmt.Printf("Failure determining status: %v", err)
break
}
if !status.Done() {
continue
}
if err := status.Err(); err == nil {
fmt.Printf("Success\n")
} else {
fmt.Printf("Failure: %+v\n", err)
}
break
}
}
func main() {
flag.Parse()
flagsOk := true
for _, f := range []string{"project", "dataset", "q"} {
if flag.Lookup(f).Value.String() == "" {
fmt.Fprintf(os.Stderr, "Flag --%s is required\n", f)
flagsOk = false
}
}
if !flagsOk {
os.Exit(1)
}
httpClient, err := google.DefaultClient(context.Background(), bigquery.Scope)
if err != nil {
log.Fatalf("Creating http client: %v", err)
}
client, err := bigquery.NewClient(httpClient, *project)
if err != nil {
log.Fatalf("Creating bigquery client: %v", err)
}
d := &bigquery.Table{}
if *dest != "" {
d.ProjectID = *project
d.DatasetID = *dataset
d.TableID = *dest
}
query := &bigquery.Query{
Q: *q,
DefaultProjectID: *project,
DefaultDatasetID: *dataset,
}
// Query data.
job, err := client.Copy(context.Background(), d, query, bigquery.WriteTruncate)
if err != nil {
log.Fatalf("Querying: %v", err)
}
fmt.Printf("Submitted query. Job ID: %s\n", job.ID())
if !*wait {
return
}
fmt.Printf("Waiting for job to complete.\n")
for range time.Tick(*pollint) {
status, err := job.Status(context.Background())
if err != nil {
fmt.Printf("Failure determining status: %v", err)
break
}
if !status.Done() {
continue
}
if err := status.Err(); err == nil {
fmt.Printf("Success\n")
} else {
fmt.Printf("Failure: %+v\n", err)
}
break
}
}