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https://issues.apache.org/jira/browse/HBASE-1647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12730471#action_12730471
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stack commented on HBASE-1647:
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Patch looks good. +1. Its a radical change in Filter processing though it
looks right and all tests pass. Can someone else look at this? Ryan? I'd
like others input before commiting.
On StoreScanner running through in an column order rather than row-at-a-time,
thats not how I understand it works but maybe thats how it appears in this
context.
> Filter#filterRow is called too often, filters rows it shouldn't have
> --------------------------------------------------------------------
>
> Key: HBASE-1647
> URL: https://issues.apache.org/jira/browse/HBASE-1647
> Project: Hadoop HBase
> Issue Type: Bug
> Affects Versions: 0.20.0
> Reporter: Doğacan Güney
> Fix For: 0.20.0
>
> Attachments: HBASE-1647-v2.patch, ScanBug.java, scanfilter.patch
>
>
> Filter#filterRow is called from ScanQueryMatcher#filterEntireRow which is
> called from StoreScanner.next. However, if I understood the code correctly,
> StoreScanner processes KeyValue-s in a column-oriented order (i.e. after
> row1-col1 comes row2-col1, not row1-col2). Thus, when filterEntireRow is
> called, in reality, the filter only processed (via filterKeyValue) only one
> column of a row.
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