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[Go] Fix reshuffle implementation to use the global window for gbk output #34462

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Otherwise the original non-reified windowing is used and can confuse the runner, which encodes the gbk input using global windows but was attempting to decode it as original windowing.

This fixes Dataflow runner harness failures when a non-global windowed pcollection is reshuffled. A work around before this fix would be to explicitly rewindow to the global window before reshuffling and reapply the desired windowing after reshuffling.

This isn't caught by prism because the entire reshuffle is replaced.


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…tput.

Otherwise the original non-reified windowing is used and can confuse
the runner, which encodes the gbk input using global windows but was
attempting to decode it as original windowing.

This fixes Dataflow runner harness failures when a
non-global windowed pcollection is reshuffled.  A work around before
this fix would be to explicitly rewindow to the global window before
reshuffling and reapply the desired windowing after reshuffling.

This isn't caught by prism because the entire reshuffle is replaced.
@github-actions github-actions bot added the go label Mar 28, 2025
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codecov bot commented Mar 28, 2025

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 54.43%. Comparing base (6136730) to head (0e0c405).

Additional details and impacted files
@@            Coverage Diff            @@
##             master   #34462   +/-   ##
=========================================
  Coverage     54.43%   54.43%           
  Complexity     1480     1480           
=========================================
  Files          1003     1003           
  Lines        158360   158362    +2     
  Branches       1079     1079           
=========================================
+ Hits          86205    86209    +4     
+ Misses        70056    70053    -3     
- Partials       2099     2100    +1     
Flag Coverage Δ
go 28.27% <100.00%> (+<0.01%) ⬆️

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