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From "Maryann Xue (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PHOENIX-1859) Implement PhoenixLimit in Phoenix/Calcite Integration
Date Fri, 06 Nov 2015 02:01:27 GMT

     [ https://issues.apache.org/jira/browse/PHOENIX-1859?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Maryann Xue updated PHOENIX-1859:
---------------------------------
    Labels: calcite  (was: )

> Implement PhoenixLimit in Phoenix/Calcite Integration
> -----------------------------------------------------
>
>                 Key: PHOENIX-1859
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-1859
>             Project: Phoenix
>          Issue Type: Sub-task
>            Reporter: Maryann Xue
>            Assignee: Maryann Xue
>              Labels: calcite
>   Original Estimate: 72h
>  Remaining Estimate: 72h
>
> Limit is represented as a Sort RelNode in Calcite. We will do sort and limit together
if sort spec is present (see PHOENIX-1858). Otherwise we will have a standalone PhoenixLimit,
for which more aggressive optimization rules can be applied than for PhoenixSort.



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