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https://issues.apache.org/jira/browse/PHOENIX-1812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14584235#comment-14584235
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James Taylor commented on PHOENIX-1812:
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[~maryannxue] - how could we change it so that for the non join case we don't
set the alias of a TableRef? Looks like an alias of something like $1 gets
generated and thus the equality check here fails. We really should be able to
compare a TableRef for equality IMO.
> Only sync table metadata when necessary
> ---------------------------------------
>
> Key: PHOENIX-1812
> URL: https://issues.apache.org/jira/browse/PHOENIX-1812
> Project: Phoenix
> Issue Type: Sub-task
> Reporter: James Taylor
> Assignee: Thomas D'Silva
> Attachments: PHOENIX-1812.patch, PHOENIX-1812.patch
>
>
> With transactions, we hold the timestamp at the point when the transaction
> was opened. We can prevent the MetaDataEndpoint getTable RPC in
> MetaDataClient.updateCache() to check that the client has the latest table if
> we've already checked at the current transaction ID timestamp. We can keep
> track of which tables we've already updated in PhoenixConnection.
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