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https://issues.apache.org/jira/browse/ARROW-9999?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Neal Richardson updated ARROW-9999:
-----------------------------------
Component/s: Python
> [Python] Support constructing dictionary array directly through pa.array()
> --------------------------------------------------------------------------
>
> Key: ARROW-9999
> URL: https://issues.apache.org/jira/browse/ARROW-9999
> Project: Apache Arrow
> Issue Type: New Feature
> Components: Python
> Reporter: Krisztian Szucs
> Assignee: Krisztian Szucs
> Priority: Major
> Fix For: 2.0.0
>
>
> {code:python}
> pa.array(["some", "string"], type=pa.dictionary(pa.int8(), pa.string)))
> {code}
> raises
> {code}
> ArrowNotImplementedError: Sequence converter for type
> dictionary<values=string, indices=int8, ordered=0> not implemented
> {code}
> It would be a much more comfortable way than
> {code:python}
> pa.DictionaryArray.from_arrays(indices, dictionary)
> {code}
> And possibly more efficient as well thanks to the adaptive dictionary
> builders.
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