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https://issues.apache.org/jira/browse/HBASE-16729?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15576914#comment-15576914
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Hudson commented on HBASE-16729:
--------------------------------
SUCCESS: Integrated in Jenkins build HBase-Trunk_matrix #1787 (See
[https://builds.apache.org/job/HBase-Trunk_matrix/1787/])
HBASE-16729 Define the behavior of (default) empty FilterList(ChiaPing
(ramkrishna: rev 635ea05b9a975c13916148081754fa842adfb54a)
* (edit)
hbase-client/src/main/java/org/apache/hadoop/hbase/filter/FilterList.java
* (edit)
hbase-server/src/test/java/org/apache/hadoop/hbase/filter/TestFilterList.java
* (edit)
hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestFromClientSide.java
> Define the behavior of (default) empty FilterList
> -------------------------------------------------
>
> Key: HBASE-16729
> URL: https://issues.apache.org/jira/browse/HBASE-16729
> Project: HBase
> Issue Type: Wish
> Affects Versions: 2.0.0
> Reporter: ChiaPing Tsai
> Assignee: ChiaPing Tsai
> Priority: Trivial
> Fix For: 2.0.0
>
> Attachments: HBASE-16729.v0.patch, HBASE-16729.v1.patch,
> HBASE-16729.v2.patch, HBASE-16729.v3.patch
>
>
> Current empty FilterList filters all data, because the
> FilterList#isFamilyEssential always returns false which causes the null cell
> retrieved by RegionScannerImpl.storeHeap.
> It seems to me that empty FilterList should do nothing, because the following
> code is common.
> {noformat}
> private static Filter makeFilter() {
> FilterList filterList = new FilterList ();
> for (some conditions) {
> // add some filters. Or nothing to add.
> }
> return filterList;
> }
> {noformat}
> If we keep the current logic which filters all data, we should add enough
> comments to explain it. Or add the FilterList#size() or FilterList#empty()
> for preventing filtering all data.
> Any comments? Thanks.
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