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| func worker(events <-chan Event) { | |
| ctx := context.Background() | |
| client, err := bigquery.NewClient(ctx, ProjectID) | |
| if err != nil { | |
| panic(err) | |
| } | |
| u := client.Dataset(DataSet).Table(Table).Uploader() | |
| buffer := []*Event{} | |
| for e := range events { | |
| buffer = append(buffer, &e) | |
| if len(buffer) == BatchSize { | |
| tmpBuffer := buffer | |
| go flushBuffer(ctx, u, tmpBuffer) | |
| buffer = []*Event{} | |
| } | |
| } | |
| // Handle any remaining events in the buffer after the channel closes | |
| if len(buffer) > 0 { | |
| flushBuffer(ctx, u, buffer) | |
| } | |
| } | |
| func flushBuffer(ctx context.Context, u *bigquery.Uploader, buffer []*Event) { | |
| log.Printf("Flushing %d events to BQ", len(buffer)) | |
| if err := u.Put(ctx, buffer); err != nil { | |
| log.Printf("Error flushing to BQ: %s", err) | |
| } else { | |
| log.Printf("Flush done") | |
| } | |
| } |
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