phoenix-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PHOENIX-3005) Use DistinctPrefixFilter for COUNT(DISTINCT...) index scans
Date Mon, 20 Jun 2016 00:01:22 GMT

     [ https://issues.apache.org/jira/browse/PHOENIX-3005?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lars Hofhansl updated PHOENIX-3005:
-----------------------------------
    Attachment: 3005-v2.txt

-v2 should do it.

[~giacomotaylor], can you have a look? Especially at the changes in GroupBy.compile?


> Use DistinctPrefixFilter for COUNT(DISTINCT...) index scans
> -----------------------------------------------------------
>
>                 Key: PHOENIX-3005
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-3005
>             Project: Phoenix
>          Issue Type: Sub-task
>            Reporter: Lars Hofhansl
>             Fix For: 4.8.0
>
>         Attachments: 3005-v2.txt, 3005-wip-v1.txt, PHOENIX-3005_v1.patch
>
>
> Currently the optimization in PHOENIX-258 is not used for DISTINCT index scans. We should
add that as well.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message