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https://issues.apache.org/jira/browse/HBASE-13193?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Lawlor updated HBASE-13193:
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Attachment: HBASE-13193-v4.patch
Re-attaching, the previous precommit build tried to apply the patch to branch
0.94 instead of master for some reason.
> RegionScannerImpl filters should not be reset if a partial Result is returned
> -----------------------------------------------------------------------------
>
> Key: HBASE-13193
> URL: https://issues.apache.org/jira/browse/HBASE-13193
> Project: HBase
> Issue Type: Bug
> Reporter: Jonathan Lawlor
> Assignee: Jonathan Lawlor
> Attachments: HBASE-13193-v1.patch, HBASE-13193-v2.patch,
> HBASE-13193-v3.patch, HBASE-13193-v4.patch, HBASE-13193-v4.patch
>
>
> In RegionScannerImpl the filters get reset during calls to nextRaw:
> {code}
> public NextState nextRaw(List<Cell> outResults, int batchLimit, long
> remainingResultSize)
> throws IOException {
> ...
> resetFilters();
> if (isFilterDoneInternal()) {
> ...
> }
> {code}
> This creates a problem when returning partial Results because filters should
> only be reset in between rows (i.e. after all of the cells for a particular
> row have been returned). If a partial Result is returned, there are still
> cells in the row that have not been evaluated yet and we should avoid
> resetting the filter since it will wipe away all state information for that
> filter.
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