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https://issues.apache.org/jira/browse/ARROW-3877?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16855782#comment-16855782
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Wes McKinney commented on ARROW-3877:
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If we wanted our {{pyarrow.compress}} and {{pyarrow.decompress}} functions to
be interchangeable with their counterparts in such libraries like
python-snappy, it would be helpful to be able to invoke decompress without
knowing the exact uncompressed length. Some compressors require the
uncompressed length so in that case NotImplemented would be returned
> [C++] Provide access to "maximum decompressed size" functions in compression
> libraries (if they exist)
> ------------------------------------------------------------------------------------------------------
>
> Key: ARROW-3877
> URL: https://issues.apache.org/jira/browse/ARROW-3877
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Wes McKinney
> Priority: Major
> Fix For: 0.14.0
>
>
> As follow up to ARROW-3831, some compression libraries have a function to
> provide a hint for sizing the output buffer (if it is not known already) for
> one-shot decompression. This would be helpful for sizing allocations in such
> cases
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