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https://issues.apache.org/jira/browse/BEAM-12312?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kenneth Knowles updated BEAM-12312:
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Status: Open (was: Triage Needed)
> 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
>
> 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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