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https://issues.apache.org/jira/browse/BEAM-1804?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xu Mingmin closed BEAM-1804.
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Resolution: Not A Problem
Fix Version/s: Not applicable
> expose values in CoGbkResult as Iterable<?>
> -------------------------------------------
>
> Key: BEAM-1804
> URL: https://issues.apache.org/jira/browse/BEAM-1804
> Project: Beam
> Issue Type: Improvement
> Components: sdk-java-core
> Reporter: Xu Mingmin
> Assignee: Xu Mingmin
> Fix For: Not applicable
>
>
> The joined result of {{CoGroupByKey}} is stored in {{List<Iterable<?>>
> valueMap}} of {{CoGbkResult}}.
> Now it's exposed as a singleton value with methods {{<V> V
> getOnly(TupleTag<V> tag)}}. This function throws exception if there're more
> than one records for given tag.
> Would like to add a new method {{Iterator<V> getIterator(TupleTag<V> tag)}},
> to cover the case with multiple-row.
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