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root edited this page Dec 19, 2024 · 1 revision
                     PR 219 (2024-12-03)                    
[Possible issue] Fix incorrect table name reference in BigQuery table creation method

✅ Fix incorrect table name reference in BigQuery table creation method

The BqTable method incorrectly uses the Project field instead of the Table field when creating the table reference, which will cause operations to fail.

apps/workers/bigquery/main.go [59-61]

 func (d Destination) BqTable(client *bigquery.Client) *bigquery.Table {
-    return client.DatasetInProject(d.Project, d.Dataset).Table(d.Project)
+    return client.DatasetInProject(d.Project, d.Dataset).Table(d.Table)
 }
  • Apply this suggestion Suggestion importance[1-10]: 10

Why: Critical bug fix - the method currently uses Project instead of Table field when creating the table reference, which would cause all BigQuery operations to fail by targeting the wrong table.


[Possible issue] Fix potential nil pointer dereference by properly handling job wait errors

✅ Fix potential nil pointer dereference by properly handling job wait errors

The error handling in the Load method ignores the error from job.Wait() and continues with status checks, which could lead to nil pointer dereferences.

apps/workers/bigquery/worker.go [220-228]

-if err == nil {
-    if status.Err() != nil {
-        return task.Failf("job completed with error: %v", status.Errors)
-    }
-    if sts, ok := status.Statistics.Details.(*bigquery.LoadStatistics); ok {
+if err != nil {
+    return task.Failf("job wait error: %v", err)
+}
+if status.Err() != nil {
+    return task.Failf("job completed with error: %v", status.Errors)
+}
+if sts, ok := status.Statistics.Details.(*bigquery.LoadStatistics); ok {
  • Apply this suggestion Suggestion importance[1-10]: 9

Why: Important safety fix that prevents potential crashes by properly handling job.Wait() errors before accessing the status object.


[General] Prevent potential resource leaks by properly ordering error checks and defer statements

✅ Prevent potential resource leaks by properly ordering error checks and defer statements

The DoTask method doesn't handle the error from client.Close() which could lead to resource leaks. Move the defer statement after the error check.

apps/workers/bigquery/worker.go [82-86]

 client, err := bigquery.NewClient(ctx, w.Project, opts...)
-defer client.Close()
 if err != nil {
     return task.Failf("bigquery client init %s", err)
 }
+defer client.Close()
  • Apply this suggestion Suggestion importance[1-10]: 7

Why: Good practice improvement that ensures proper resource cleanup by moving the defer statement after the error check, preventing potential resource leaks.



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