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https://issues.apache.org/jira/browse/ARROW-6334?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated ARROW-6334:
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Labels: pull-request-available (was: )
> [Java] Improve the dictionary builder API to return the position of the value
> in the dictionary
> -----------------------------------------------------------------------------------------------
>
> Key: ARROW-6334
> URL: https://issues.apache.org/jira/browse/ARROW-6334
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Java
> Reporter: Liya Fan
> Assignee: Liya Fan
> Priority: Major
> Labels: pull-request-available
>
> This is an improvement of the {{addValue}} method.
> Previously, the method returns a boolean, indicating if the value has been
> successfully added to the dictionary.
> After the change, the method returns an integer, which is the position of the
> value in the dictionary.
> The purpose of this change:
> # the dictionary position contains more information, compared with a boolean
> indicating if the value is added successfully.
> # this information about the index in the dictionary can be useful, for
> example, to collect statistics about the dictionary.
> With the dictionary position, the information about if a value has been added
> can be easily determined.
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