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https://issues.apache.org/jira/browse/BEAM-12497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17447433#comment-17447433
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Lily B Liu commented on BEAM-12497:
-----------------------------------
I tried this feature combined with Dataflow template (pubsub to BigQuery).
However, the writeResult.getSuccessfulInserts() returns empty PCollection. I
debugged the PR above:
[https://github.com/apache/beam/pull/15013|http://example.com/]
{code:java}
return batchViaStateful
? input.apply(new ViaStateful())
: input.apply(new ViaBundleFinalization());{code}
Only when ViaStateful, below code was added:
{code:java}
for (ValueInSingleWindow<TableRow> row : successfulInserts) {
out.get(SUCCESSFUL_ROWS_TAG).output(row.getValue());
}
{code}
Function finishBundle only contains failedInserts settings.
Shouldn't successfulInserts be returned on both conditions?
> BigQueryIO should return successfully inserted rows
> ---------------------------------------------------
>
> Key: BEAM-12497
> URL: https://issues.apache.org/jira/browse/BEAM-12497
> Project: Beam
> Issue Type: Bug
> Components: io-java-gcp
> Reporter: Pablo Estrada
> Assignee: Pablo Estrada
> Priority: P2
> Fix For: 2.32.0
>
> Time Spent: 2.5h
> Remaining Estimate: 0h
>
> As part of a CDC use case, we want to be able to receive rows AFTER they've
> been successfully inserted.
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