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https://issues.apache.org/jira/browse/HIVEMALL-223?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Makoto Yui closed HIVEMALL-223.
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Resolution: Fixed
> Add `-kv_map` and `-vk_map` option to to_ordered_list UDAF
> ----------------------------------------------------------
>
> Key: HIVEMALL-223
> URL: https://issues.apache.org/jira/browse/HIVEMALL-223
> Project: Hivemall
> Issue Type: Improvement
> Affects Versions: 0.5.0
> Reporter: Makoto Yui
> Assignee: Makoto Yui
> Priority: Minor
> Fix For: 0.5.2
>
>
> to_ordered_list UDAF to_ordered_list(value, key, '-k 100') or
> to_ordered_list(key, '-k 100') and returns List<key> using top-k values.
> Sometime users want to get Map<key, score> or Map<score, key> for it's return.
> So, this PR support `-kv_map` option that returns Map<K, V> and `-vk_map`
> option that returns Map<V,K> for the given to_ordered_list(value, key, '-k
> 100').
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