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https://issues.apache.org/jira/browse/SOLR-17786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18131978#comment-18131978
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Nick Shanin commented on SOLR-17786:
------------------------------------

Hi [~houston],
I built the feature on top of your PR and posted a detailed comment there. If 
you prefer, I can open a new PR for your approval. Thank you for contributing 
this.

> Support reverse pagination with cursorMark
> ------------------------------------------
>
>                 Key: SOLR-17786
>                 URL: https://issues.apache.org/jira/browse/SOLR-17786
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Houston Putman
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> Currently cursorMark can be used to do deep paging of results, however, if 
> one wants to support "previous page" functionality, they would need to store 
> the previous cursorMark results. Given that we can reverse the sort, we 
> should be able to execute a "reverseCursorMark".
> The idea here would be to add another response in addition to 
> "nextCursorMark", "previousCursorMark", which would be the cursorMark of the 
> first result. Users could then pass in this "previousCursorMark" to the 
> "reverseCursorMark" parameter, much like they pass "nextCursorMark" to the 
> "cursorMark" parameter. Then the results would be the regular sorted (not 
> reverse sorted) set of results, with another "previousCursorMark" and 
> "nextCursorMark" provided.



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