Abacn commented on code in PR #31698:
URL: https://github.com/apache/beam/pull/31698#discussion_r1744397433


##########
sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigquery/BigQueryServicesImpl.java:
##########
@@ -251,14 +259,10 @@ Bigquery getClient() {
     @Override
     public void startLoadJob(JobReference jobRef, JobConfigurationLoad 
loadConfig)
         throws InterruptedException, IOException {
-      Map<String, String> labelMap = new HashMap<>();
       Job job =
           new Job()
               .setJobReference(jobRef)
-              .setConfiguration(
-                  new JobConfiguration()
-                      .setLoad(loadConfig)
-                      
.setLabels(this.bqIOMetadata.addAdditionalJobLabels(labelMap)));

Review Comment:
   addAdditionalJobLabels will add beam job id which becomes available at some 
later stage, and now it is called much earlier. Not sure if this is a concern, 
but can we minimize the scope of the change such that just replace labelMap to 
this.jobLabels here?



##########
sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigquery/BigQueryServicesImpl.java:
##########
@@ -221,19 +221,27 @@ static class JobServiceImpl implements 
BigQueryServices.JobService {
     private final ApiErrorExtractor errorExtractor;
     private final Bigquery client;
     private final BigQueryIOMetadata bqIOMetadata;
+    private final Map<String, String> jobLabels;
 
     @VisibleForTesting
     JobServiceImpl(Bigquery client) {
+      this(client, new HashMap<>());
+    }
+
+    @VisibleForTesting
+    JobServiceImpl(Bigquery client, Map<String, String> jobLabels) {
       this.errorExtractor = new ApiErrorExtractor();
       this.client = client;
       this.bqIOMetadata = BigQueryIOMetadata.create();
+      this.jobLabels = jobLabels;

Review Comment:
   should we make a copy for the original map, so this.jobLabels gauranteed to 
be a HashMap, to avoid mutate the original one (and in case the parameter 
passed in is immutable)?



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