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Posted to issues@beam.apache.org by "Kyle Weaver (Jira)" <ji...@apache.org> on 2021/05/07 18:03:00 UTC

[jira] [Created] (BEAM-12312) UnsupportedOperationException in LazyAggregateCombineFn.mergeAccumulators

Kyle Weaver created BEAM-12312:
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             Summary: 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


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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