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Posted to dev@storm.apache.org by "Rick Kellogg (JIRA)" <ji...@apache.org> on 2015/10/09 02:27:26 UTC

[jira] [Updated] (STORM-94) Extend QueryFunction API to support paging based queries

     [ https://issues.apache.org/jira/browse/STORM-94?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rick Kellogg updated STORM-94:
------------------------------
    Component/s: storm-core

> Extend QueryFunction API to support paging based queries
> --------------------------------------------------------
>
>                 Key: STORM-94
>                 URL: https://issues.apache.org/jira/browse/STORM-94
>             Project: Apache Storm
>          Issue Type: Improvement
>          Components: storm-core
>            Reporter: James Xu
>            Priority: Minor
>
> https://github.com/nathanmarz/storm/issues/553
> Suppose some state holder supports paging or some sort of bulk iteration of its query results. In the current solution the QueryFunction must get all of the results for the input tuples before pushing the results further in the topology. It would be preferable to use some sort of PagedQueryFunction API which will push the pages further into the topology as they are fetched, page by page.



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