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https://issues.apache.org/jira/browse/BEAM-12312?focusedWorklogId=593567&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-593567
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ASF GitHub Bot logged work on BEAM-12312:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 07/May/21 21:59
Start Date: 07/May/21 21:59
Worklog Time Spent: 10m
Work Description: ibzib commented on pull request #14762:
URL: https://github.com/apache/beam/pull/14762#issuecomment-834809223
R: @apilloud
Confirmed that UDAF actually works on Dataflow after this change.
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Issue Time Tracking
-------------------
Worklog Id: (was: 593567)
Time Spent: 20m (was: 10m)
> UnsupportedOperationException in LazyAggregateCombineFn.mergeAccumulators
> -------------------------------------------------------------------------
>
> Key: BEAM-12312
> URL: https://issues.apache.org/jira/browse/BEAM-12312
> Project: Beam
> Issue Type: Bug
> Components: dsl-sql-zetasql
> Reporter: Kyle Weaver
> Assignee: Kyle Weaver
> Priority: P2
> Labels: zetasql-java-udf
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Another thing that works on the direct runner but fails on Dataflow:
> LazyAggregateCombineFn.mergeAccumulators [1] throws an
> UnsupportedOperationException because the "remove" method is not implemented
> in CombineFns$ProjectionIterable [2]. We will have to modify the
> implementation of LazyAggregateCombineFn.mergeAccumulators accordingly.
> [1]
> https://github.com/apache/beam/blob/8a622651edb3a2054865ff411579d3e04c02629a/sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/LazyAggregateCombineFn.java#L78
> [2]
> https://github.com/apache/beam/blob/8a622651edb3a2054865ff411579d3e04c02629a/sdks/java/core/src/main/java/org/apache/beam/sdk/transforms/CombineFns.java#L642
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