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https://issues.apache.org/jira/browse/BEAM-11637?focusedWorklogId=536241&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-536241
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ASF GitHub Bot logged work on BEAM-11637:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 14/Jan/21 23:31
Start Date: 14/Jan/21 23:31
Worklog Time Spent: 10m
Work Description: amaliujia merged pull request #13745:
URL: https://github.com/apache/beam/pull/13745
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Issue Time Tracking
-------------------
Worklog Id: (was: 536241)
Time Spent: 1h 10m (was: 1h)
> BitAnd unsafely mutates an instance field.
> ------------------------------------------
>
> Key: BEAM-11637
> URL: https://issues.apache.org/jira/browse/BEAM-11637
> Project: Beam
> Issue Type: Bug
> Components: dsl-sql
> Reporter: Kyle Weaver
> Assignee: Kyle Weaver
> Priority: P2
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> BitAnd uses isEmpty, an instance field, to track if inputs seen thus far are
> null. This is an unsafe usage of CombineFn, since all mutable state is
> expected to be stored in the Accumulator.
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