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From "Jerry Chen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-3685) when multiple columns are combined with TimestampFilter, only one column is returned
Date Wed, 13 Apr 2011 18:08:05 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3685?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13019468#comment-13019468

Jerry Chen commented on HBASE-3685:

@stack, can you take a look at this? Kannan and Jonathan have reviewed it internally. 

> when multiple columns are combined with TimestampFilter, only one column is returned
> ------------------------------------------------------------------------------------
>                 Key: HBASE-3685
>                 URL: https://issues.apache.org/jira/browse/HBASE-3685
>             Project: HBase
>          Issue Type: Bug
>          Components: filters, regionserver
>            Reporter: Jerry Chen
>            Priority: Minor
>              Labels: noob
>         Attachments: 3685-missing-column.patch
> As reported by an Hbase user: 
> "I have a ThreadMetadata column family, and there are two columns in it: v12:th: and
v12:me. The following code only returns v12:me
> get.addColumn(Bytes.toBytes("ThreadMetadata"), Bytes.toBytes("v12:th:");
> get.addColumn(Bytes.toBytes("ThreadMetadata"), Bytes.toBytes("v12:me:");
> List<Long> threadIds = new ArrayList<Long>();
> threadIds.add(10709L);
> TimestampFilter filter = new TimestampFilter(threadIds);
> get.setFilter(filter);
> get.setMaxVersions();
> Result result = table.get(get);
> I checked hbase for the key/value, they are present. Also other combinations like no
timestampfilter, it returns both."
> Kannan was able to do a small repro of the issue and commented that if we drop the get.setMaxVersions(),
then the problem goes away. 

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