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https://issues.apache.org/jira/browse/PHOENIX-4007?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16168316#comment-16168316
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James Taylor commented on PHOENIX-4007:
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I think we need to keep the differentiation. Why would we want to get rid of it?
> 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, PHOENIX-4007_v6.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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