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https://issues.apache.org/jira/browse/CALCITE-5281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17643853#comment-17643853
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Bertil Chapuis commented on CALCITE-5281:
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A possibility may be to split the issue in two. We could merge
ST_Explode(geometry) and address ST_Explode(cursor) in a new issue. I'm
motivated to work on this case (and will need it), but it will take me some
time to dive deeper into cursors.
I cleaned squashed the commits of the [pull request
|https://github.com/apache/calcite/pull/2924/files] for ST_Explode(geometry)
and marked it as ready for review.
> Implement geometry set returning functions (SRF)
> ------------------------------------------------
>
> Key: CALCITE-5281
> URL: https://issues.apache.org/jira/browse/CALCITE-5281
> Project: Calcite
> Issue Type: Improvement
> Components: spatial
> Reporter: Bertil Chapuis
> Assignee: Bertil Chapuis
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 50m
> Remaining Estimate: 0h
>
> The idea is to implement set returning functions, such as ST_Explode in H2GIS
> and ST_Dump in PostGIS. Is the Uncollect class a good starting point?
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