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https://issues.apache.org/jira/browse/ARROW-4221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17661245#comment-17661245
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Rok Mihevc commented on ARROW-4221:
-----------------------------------
This issue has been migrated to [issue
#20801|https://github.com/apache/arrow/issues/20801] on GitHub. Please see the
[migration documentation|https://github.com/apache/arrow/issues/14542] for
further details.
> [Format] Add canonical flag in COO sparse index
> -----------------------------------------------
>
> Key: ARROW-4221
> URL: https://issues.apache.org/jira/browse/ARROW-4221
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Format
> Reporter: Kenta Murata
> Assignee: Kenta Murata
> Priority: Minor
> Labels: pull-request-available, sparse
> Fix For: 1.0.0
>
> Time Spent: 5.5h
> Remaining Estimate: 0h
>
> To support the integration with scipy.sparse.coo_matrix, it is necessary to
> add a flag in SparseCOOIndex. This flag denotes whether elements in COO
> sparse tensor is sorted lexicographically or not.
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