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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HBASE-3191) FilterList with MUST_PASS_ONE and SCVF isn't working
Date Wed, 03 Nov 2010 21:18:23 GMT

     [ https://issues.apache.org/jira/browse/HBASE-3191?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack resolved HBASE-3191.
--------------------------

       Resolution: Fixed
    Fix Version/s: 0.90.0
     Hadoop Flags: [Reviewed]

Committed to TRUNK.  Thank you for the patch Stefan.

> FilterList with MUST_PASS_ONE and SCVF isn't working
> ----------------------------------------------------
>
>                 Key: HBASE-3191
>                 URL: https://issues.apache.org/jira/browse/HBASE-3191
>             Project: HBase
>          Issue Type: Bug
>          Components: filters
>    Affects Versions: 0.89.20100924, 0.90.0
>            Reporter: Stefan Seelmann
>            Priority: Minor
>             Fix For: 0.90.0
>
>         Attachments: HBASE-3191.patch
>
>
> In a special case the FilterList with MUST_PASS_ONE operator doesn't work correctly:
> - a filter in the list is a SingleColumValueFilter with filterIfMissing=true
> - FilterList.filterKeyValue(KeyValue) is called
> - SingleColumValueFilter.filterKeyValue(KeyValue) is called
> - SingleColumValueFilter.filterKeyValue(KeyValue) returns ReturnCode.INCLUDE if the KeyValue
doesn't match a column (to support filterIfMissing)
> - FilterList.filterKeyValue(KeyValue) immediately returns ReturnCode.INCLUDE, remaining
filters in the list aren't evaluated.
> However it is required to evaluate remaining filters, otherwise filterRow() filters out
rows in case the filter's filterKeyValue() saves state that is used by filterRow(). (SingleColumValueFilter,
SkipFilter, WhileMatchFilter do so)

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