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https://issues.apache.org/jira/browse/HBASE-19356?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16271938#comment-16271938
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Zach York commented on HBASE-19356:
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[~appy] Thanks for the in depth explanation! I think I might have been a little
too quick to answer :)
Can you explain how these delegators would be different (in terms of
functionality) from the coprocessor hooks we already have in HBase? It seems to
me that preX and postX hooks would do the same thing and would be potentially
cleaner to maintain.
Perhaps I am confusing concepts/don't fully understand what we want from the
delegators...
> Provide delegators and base implementation for Phoenix implemented interfaces
> -----------------------------------------------------------------------------
>
> Key: HBASE-19356
> URL: https://issues.apache.org/jira/browse/HBASE-19356
> Project: HBase
> Issue Type: Improvement
> Reporter: James Taylor
>
> Many of the changes Phoenix needs to make for various branches to support
> different versions of HBase are due to new methods being added to interfaces.
> Often times Phoenix can use a noop or simply needs to add the new method to
> it's delegate implementor. It'd be helpful if HBase provided base
> implementations and delegates that Phoenix could use instead. Here are some
> that come to mind:
> - RegionScanner
> - HTableInterface (Table interface now?)
> - RegionObserver
> There are likely others that [~rajeshbabu], [[email protected]], and
> [~elserj] would remember.
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