Robert Bradshaw created BEAM-8532:
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Summary: Beam Python trigger driver sets incorrect timestamp for
output windows.
Key: BEAM-8532
URL: https://issues.apache.org/jira/browse/BEAM-8532
Project: Beam
Issue Type: Bug
Components: sdk-py-core
Reporter: Robert Bradshaw
Assignee: Robert Bradshaw
The timestamp should lie in the window, otherwise re-windowing will not be
idempotent.
https://github.com/apache/beam/blob/release-2.16.0/sdks/python/apache_beam/transforms/trigger.py#L1183
should be using {{window.max_timestamp()}} rather than {{.end}}
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