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https://issues.apache.org/jira/browse/PHOENIX-3818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15995135#comment-15995135
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Alex Araujo commented on PHOENIX-3818:
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Thanks for the feedback [~jamestaylor]. v2 enables new PHOENIX-3271 behavior by
default. If the new property is set to false, UPSERT SELECT work for the same
table will still be performed on the server.
Moved isPkPositionChanging() from UngroupedAggregateRegionObserver to
ExpressionUtil to detect if PK columns are changing in UpsertCompiler.
PHOENIX-3271 allows RS -> RS calls when PK columns are changing. This is still
the default behavior. When the new property is false, the work is done on the
client.
The new feature toggle may be useful for users that do UPSERT SELECTs but do
not have the server side settings for RS->RS RPC priority.
> Add client setting to disable server side UPSERT SELECT work
> ------------------------------------------------------------
>
> Key: PHOENIX-3818
> URL: https://issues.apache.org/jira/browse/PHOENIX-3818
> Project: Phoenix
> Issue Type: Improvement
> Affects Versions: 4.10.0
> Reporter: Alex Araujo
> Assignee: Alex Araujo
> Attachments: PHOENIX-3818.v1.patch, PHOENIX-3818.v2.patch
>
>
> PHOENIX-3271 introduced RS -> RS RPCs by default via UPSERT SELECT
> statements. Add a client side setting that disables this behavior.
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