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https://issues.apache.org/jira/browse/HBASE-5664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13563380#comment-13563380
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Hadoop QA commented on HBASE-5664:
----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12566616/HBASE-5664_94_V3.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:red}-1 tests included{color}. The patch doesn't appear to include
any new or modified tests.
Please justify why no new tests are needed for this
patch.
Also please list what manual steps were performed to
verify this patch.
{color:red}-1 patch{color}. The patch command could not apply the patch.
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/4197//console
This message is automatically generated.
> CP hooks in Scan flow for fast forward when filter filters out a row
> --------------------------------------------------------------------
>
> Key: HBASE-5664
> URL: https://issues.apache.org/jira/browse/HBASE-5664
> Project: HBase
> Issue Type: Improvement
> Components: Coprocessors, Filters
> Affects Versions: 0.92.1
> Reporter: Anoop Sam John
> Assignee: Anoop Sam John
> Fix For: 0.96.0, 0.94.5
>
> Attachments: HBASE-5664_94.patch, HBASE-5664_94_V2.patch,
> HBASE-5664_94_V3.patch, HBASE-5664_Trunk.patch, HBASE-5664_Trunk_V2.patch
>
>
> In HRegion.nextInternal(int limit, String metric)
> We have while(true) loop so as to fetch a next result which satisfies
> filter condition. When Filter filters out the current fetched row we call
> nextRow(byte [] currentRow) before going with the next row.
> {code}
> if (results.isEmpty() || filterRow()) {
> // this seems like a redundant step - we already consumed the row
> // there're no left overs.
> // the reasons for calling this method are:
> // 1. reset the filters.
> // 2. provide a hook to fast forward the row (used by subclasses)
> nextRow(currentRow);
> {code}
> // 2. provide a hook to fast forward the row (used by subclasses)
> We can provide same feature of fast forward support for the CP also.
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