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https://issues.apache.org/jira/browse/ARROW-18209?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vivek Shankar updated ARROW-18209:
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Description: Making ComplexCopier independent of UnionMapWriter lets us use
different implementations of promotoble writers. This helps us to copy map
vector with a map value.
> [Java] Make ComplexCopier agnostic of specific implementation of MapWriter,
> i.e UnionMapWriter
> ----------------------------------------------------------------------------------------------
>
> Key: ARROW-18209
> URL: https://issues.apache.org/jira/browse/ARROW-18209
> Project: Apache Arrow
> Issue Type: Bug
> Components: Java
> Reporter: Vivek Shankar
> Assignee: Vivek Shankar
> Priority: Minor
>
> Making ComplexCopier independent of UnionMapWriter lets us use different
> implementations of promotoble writers. This helps us to copy map vector with
> a map value.
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