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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17599) Use mayHaveMoreCellsInRow instead of isPartial
Date Thu, 09 Feb 2017 10:48:41 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17599?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15859339#comment-15859339
] 

Hudson commented on HBASE-17599:
--------------------------------

FAILURE: Integrated in Jenkins build HBase-1.4 #621 (See [https://builds.apache.org/job/HBase-1.4/621/])
HBASE-17599 Use mayHaveMoreCellsInRow instead of isPartial (zhangduo: rev e9abe07629bd698b8c727903a0826cde2bf6d1d5)
* (edit) hbase-protocol/src/main/java/org/apache/hadoop/hbase/protobuf/generated/ClientProtos.java
* (edit) hbase-protocol/src/main/protobuf/Client.proto
* (edit) hbase-client/src/main/java/org/apache/hadoop/hbase/protobuf/ProtobufUtil.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RSRpcServices.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/ScannerContext.java
* (edit) hbase-client/src/main/java/org/apache/hadoop/hbase/client/Result.java


> Use mayHaveMoreCellsInRow instead of isPartial
> ----------------------------------------------
>
>                 Key: HBASE-17599
>                 URL: https://issues.apache.org/jira/browse/HBASE-17599
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Client, scan
>    Affects Versions: 2.0.0, 1.4.0
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>             Fix For: 2.0.0, 1.4.0
>
>         Attachments: HBASE-17599-branch-1.patch, HBASE-17599.patch, HBASE-17599-v1.patch,
HBASE-17599-v2.patch, HBASE-17599-v3.patch
>
>
> For now if we set scan.allowPartial(true), the partial result returned will have the
partial flag set to true. But for scan.setBatch(xx), the partial result returned may not be
marked as partial.
> This is an Incompatible change, indeed. But I do not think it will introduce any issues
as we just provide more informations to client. The old partial flag for batched scan is always
false so I do not think anyone can make use of it.
> This is very important for the limited scan to support partial results from server. If
we get a Result which partial flag is false then we know we get the whole row. Otherwise we
need to fetch one more row to see if the row key is changed which causes the logic to be more
complicated.



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