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https://issues.apache.org/jira/browse/PHOENIX-3383?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16534672#comment-16534672
 ] 

Thomas D'Silva commented on PHOENIX-3383:
-----------------------------------------

+1 LGTM, Just some minor nits:

fix comments in WhereOptimizer:
{code}
                     // supports identifying combinations for *all* 
combinations of (1,2),(A,B),(X,Y) or 
-                    // AX, 1AY, 1BX, 1BY, 2AX, 2AY, 2BX, 2BY.
+                    // 1AX, 1AY, 1BX, 1BY, 2AX, 2AY, 2BX, 2BY.
                     // FIXME: test case for this as none of our unit tests 
exercise this.
{code}

{code}
         /**
          * Similar to KeyRange.coelesce, but con
          */
{code}

In WhereOptimizerTest, the extra concat isn't required:
{code}
-        byte[] expectedStopRow = 
ByteUtil.concat(ByteUtil.concat(PVarchar.INSTANCE.toBytes(tenantId), 
ByteUtil.nextKey(PVarchar.INSTANCE.toBytes(entityId2))));
+        byte[] expectedStopRow = 
ByteUtil.concat(PVarchar.INSTANCE.toBytes(tenantId), 
ByteUtil.nextKey(PVarchar.INSTANCE.toBytes(entityId2)));
{code}

In RowKeySchemaTest conn is not required in getKeyPart
{code}
private static byte[] getKeyPart(Connection conn, PTable t, String... keys) 
throws SQLException {
{code}

> Comparison between descending row keys used in RVC is reverse
> -------------------------------------------------------------
>
>                 Key: PHOENIX-3383
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-3383
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: James Taylor
>            Assignee: James Taylor
>            Priority: Major
>              Labels: DESC
>             Fix For: 4.15.0
>
>         Attachments: PHOENIX-3383-wip1.patch, PHOENIX-3383-wip5.patch, 
> PHOENIX-3383-wip6.patch, PHOENIX-3383-wip7.patch, PHOENIX-3383_v1.patch, 
> PHOENIX-3383_v2.patch, PHOENIX-3383_v3.patch, PHOENIX-3383_wip.patch, 
> PHOENIX-3383_wip2.patch, PHOENIX-3383_wip3.patch
>
>
> See PHOENIX-3382, but the comparison for RVC with descending row key columns 
> is the reverse of what it should be.



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