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Posted to github@beam.apache.org by GitBox <gi...@apache.org> on 2022/05/04 17:30:13 UTC

[GitHub] [beam] jrmccluskey commented on a diff in pull request #17543: [BEAM-11104] Fix output forwarding issue for ProcessContinuations

jrmccluskey commented on code in PR #17543:
URL: https://github.com/apache/beam/pull/17543#discussion_r865096608


##########
sdks/go/pkg/beam/core/runtime/exec/pardo.go:
##########
@@ -180,6 +180,10 @@ func (n *ParDo) processSingleWindow(mainIn *MainInput) (sdf.ProcessContinuation,
 
 	// Forward direct output, if any. It is always a main output.
 	if val != nil {
+		// We do not forward a ProcessContinuation on its own
+		if val.Elm == nil && val.Continuation != nil {

Review Comment:
   Makes sense



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