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https://issues.apache.org/jira/browse/PHOENIX-3907?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16035570#comment-16035570
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Thomas D'Silva commented on PHOENIX-3907:
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Sure I can pick this one up.
> Use LATEST_TIMESTAMP when UPDATE_CACHE_FREQUENCY is not zero
> ------------------------------------------------------------
>
> Key: PHOENIX-3907
> URL: https://issues.apache.org/jira/browse/PHOENIX-3907
> Project: Phoenix
> Issue Type: Bug
> Reporter: James Taylor
>
> For non transactional tables, currently with UPDATE_CACHE_FREQUENCY, we'll
> use LATEST_TIMESTAMP *most* of the time, until the cached entity expires, in
> which case we'll use the server timestamp. This seems a bit strange and
> inconsistent. Instead (for non transactional tables), we should always use
> LATEST_TIMESTAMP if UPDATE_CACHE_FREQUENCY is non zero, with the exception of
> the corner case for UPSERT SELECT and DELETE where the same table is being
> read and written to (see changes to FromCompiler for PHOENIX-3823).
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