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https://issues.apache.org/jira/browse/PHOENIX-6541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17414610#comment-17414610
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ASF GitHub Bot commented on PHOENIX-6541:
-----------------------------------------

tkhurana commented on a change in pull request #1300:
URL: https://github.com/apache/phoenix/pull/1300#discussion_r707743768



##########
File path: 
phoenix-core/src/main/java/org/apache/phoenix/hbase/index/IndexRegionObserver.java
##########
@@ -610,7 +610,9 @@ public static void 
setTimestamps(MiniBatchOperationInProgress<Mutation> miniBatc
             }
             Mutation m = miniBatchOp.getOperation(i);
             // skip this mutation if we aren't enabling indexing or not an 
atomic op
-            if (!builder.isEnabled(m) && !builder.isAtomicOp(m)) {
+            // or if it is an atomic op and its timestamp is already set
+            if (!builder.isEnabled(m) &&
+                (!builder.isAtomicOp(m) || getMaxTimestamp(m) != 
HConstants.LATEST_TIMESTAMP)) {

Review comment:
       @ankitjain64 @gokceni It is correct but I will restructure it to make it 
more readable




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> Use ROW_TIMESTAMP column value as timestamps for conditional upsert mutations
> -----------------------------------------------------------------------------
>
>                 Key: PHOENIX-6541
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-6541
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 4.16.1, 5.1.2
>            Reporter: Tanuj Khurana
>            Assignee: Tanuj Khurana
>            Priority: Major
>
> For tables without indexes if ROW_TIMESTAMP is specified in the table DDL, 
> the mutations generated by conditional upserts don't have the correct 
> timestamp. This was introduced as part of PHOENIX-6387
> For tables with indexes, Phoenix doesn't allow specifying a PK column as 
> ROW_TIMESTAMP so this bug doesn't apply. This Jira aims to restore parity 
> with the old behavior of conditional upserts with regards to ROW_TIMESTAMP.  



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