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https://issues.apache.org/jira/browse/HBASE-17890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15977990#comment-15977990
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Chia-Ping Tsai commented on HBASE-17890:
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The principal aim of v3 patch is to unify the fixed/non-fixed(-1/0) byte in the
FuzzyRowFilter. It is worthwhile to make the fix.
# Avoid confusion for unit test. We don't need to pass different byte for
unsafe/non-unsafe.
# Avoid another bug. The scenario is that the unsafe is enabled on the
client-side and is disabled on the server-side. The FuzzyRowFilter which is
instantiated by client will convert fixed/non-fixed byte for unsafe, but the
FuzzyRowFilter created on server-side doesn't convert it back for non-unsafe.
(The server don't know which type of fixed/non-fixed client uses).
> FuzzyRow tests fail if unaligned support is false
> -------------------------------------------------
>
> Key: HBASE-17890
> URL: https://issues.apache.org/jira/browse/HBASE-17890
> Project: HBase
> Issue Type: Sub-task
> Affects Versions: 2.0.0, 1.2.5
> Reporter: Jerry He
> Assignee: Chia-Ping Tsai
> Fix For: 2.0.0, 1.4.0, 1.2.6, 1.3.2
>
> Attachments: HBASE-17890.v0.branch-1.patch, HBASE-17890.v0.patch,
> HBASE-17890.v1.branch-1.patch, HBASE-17890.v1.patch, HBASE-17890.v2.patch,
> HBASE-17890.v3.patch, HBASE-17890.v3.patch, HBASE-17890.v3.patch,
> HBASE-17890.v3.patch, HBASE-17890.v3.patch
>
>
> When unaligned support is false, FuzzyRow tests fail:
> {noformat}
> Failed tests:
> TestFuzzyRowAndColumnRangeFilter.Test:134->runTest:157->runScanner:186
> expected:<10> but was:<0>
> TestFuzzyRowFilter.testSatisfiesForward:81 expected:<YES> but was:<NO_NEXT>
> TestFuzzyRowFilter.testSatisfiesReverse:121 expected:<YES> but
> was:<NEXT_EXISTS>
> TestFuzzyRowFilterEndToEnd.testEndToEnd:247->runTest1:278->runScanner:343
> expected:<6250> but was:<0>
> TestFuzzyRowFilterEndToEnd.testFilterList:385->runTest:417->runScanner:445
> expected:<5> but was:<0>
> TestFuzzyRowFilterEndToEnd.testHBASE14782:204 expected:<6> but was:<0>
> {noformat}
> This can be reproduced in the case described in HBASE-17869. Or on a platform
> really without unaligned support.
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