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From "Samarth Jain (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PHOENIX-4007) Surface time at which byte/row estimate information was computed in explain plan output
Date Fri, 15 Sep 2017 06:09:00 GMT

     [ https://issues.apache.org/jira/browse/PHOENIX-4007?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Samarth Jain updated PHOENIX-4007:
----------------------------------
    Attachment: PHOENIX-4007_v4.patch

v4 patch - ExplainPlanWithStatsDisabledIT was not using the driver with required properties
which was causing ViewIT to fail.

> Surface time at which byte/row estimate information was computed in explain plan output
> ---------------------------------------------------------------------------------------
>
>                 Key: PHOENIX-4007
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-4007
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: Samarth Jain
>            Assignee: Samarth Jain
>         Attachments: PHOENIX-4007_v1.patch, PHOENIX-4007_v2.patch, PHOENIX-4007_v3.patch,
PHOENIX-4007_v4.patch
>
>
> As part of PHOENIX-3822, we surfaced byte and row estimates for queries in explain plan.
Since we collect this information through stats collection, it would also be helpful to surface
when this information was last updated to reflect its freshness. We already store last_stats_update_time
in SYSTEM.STATS. So the task would be essentially surfacing last_stats_update_time as another
column in the explain plan result set.



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