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[Feature] Support for BigQuery Emulator Endpoint in bigqueryio #34037

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[Feature] Support for BigQuery Emulator Endpoint in bigqueryio #34037

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14 changes: 12 additions & 2 deletions sdks/go/pkg/beam/io/bigqueryio/bigquery.go
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ import (
"context"
"fmt"
"net/http"
"os"
"reflect"
"strings"
"time"
Expand All @@ -33,6 +34,7 @@ import (
bq "google.golang.org/api/bigquery/v2"
"google.golang.org/api/googleapi"
"google.golang.org/api/iterator"
"google.golang.org/api/option"
)

// writeSizeLimit is the maximum number of rows allowed by BQ in a write.
Expand Down Expand Up @@ -156,7 +158,11 @@ type queryFn struct {
}

func (f *queryFn) ProcessElement(ctx context.Context, _ []byte, emit func(beam.X)) error {
client, err := bigquery.NewClient(ctx, f.Project)
var opts []option.ClientOption
if emulator := os.Getenv("BIGQUERY_EMULATOR_HOST"); emulator != "" {
opts = append(opts, option.WithEndpoint(emulator), option.WithoutAuthentication())
}
client, err := bigquery.NewClient(ctx, f.Project, opts...)
if err != nil {
return err
}
Expand Down Expand Up @@ -293,7 +299,11 @@ func getInsertSize(v any, schema bigquery.Schema) (int, error) {
}

func (f *writeFn) ProcessElement(ctx context.Context, _ int, iter func(*beam.X) bool) error {
client, err := bigquery.NewClient(ctx, f.Project)
var opts []option.ClientOption
if emulator := os.Getenv("BIGQUERY_EMULATOR_HOST"); emulator != "" {
opts = append(opts, option.WithEndpoint(emulator), option.WithoutAuthentication())
}
client, err := bigquery.NewClient(ctx, f.Project, opts...)
if err != nil {
return err
}
Expand Down
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