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:
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@@ -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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