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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18067) Support a default converter for data read shell commands
Date Fri, 19 May 2017 18:06:04 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18067?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16017771#comment-16017771
] 

Hadoop QA commented on HBASE-18067:
-----------------------------------

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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 13s {color} | {color:blue}
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| {color:blue}0{color} | {color:blue} rubocop {color} | {color:blue} 0m 0s {color} | {color:blue}
rubocop was not available. {color} |
| {color:blue}0{color} | {color:blue} ruby-lint {color} | {color:blue} 0m 0s {color} | {color:blue}
Ruby-lint was not available. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s {color} | {color:green}
The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m 0s {color}
| {color:green} The patch appears to include 1 new or modified test files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 3m 6s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 12s {color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 6s {color} | {color:green}
master passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 11s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 12s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 0s {color}
| {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 27m 27s {color}
| {color:green} Patch does not cause any errors with Hadoop 2.6.1 2.6.2 2.6.3 2.6.4 2.6.5
2.7.1 2.7.2 2.7.3 or 3.0.0-alpha2. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 8s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 5m 5s {color} | {color:green}
hbase-shell in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 6s {color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 36m 57s {color} | {color:black}
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|| Subsystem || Report/Notes ||
| Docker | Client=1.12.3 Server=1.12.3 Image:yetus/hbase:757bf37 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12869017/HBASE-18067.003.patch
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| JIRA Issue | HBASE-18067 |
| Optional Tests |  asflicense  javac  javadoc  unit  rubocop  ruby_lint  |
| uname | Linux beede0f8c652 4.4.0-43-generic #63-Ubuntu SMP Wed Oct 12 13:48:03 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build@2/component/dev-support/hbase-personality.sh
|
| git revision | master / 5c728b0 |
| Default Java | 1.8.0_131 |
|  Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/6846/testReport/ |
| modules | C: hbase-shell U: hbase-shell |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/6846/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> Support a default converter for data read shell commands
> --------------------------------------------------------
>
>                 Key: HBASE-18067
>                 URL: https://issues.apache.org/jira/browse/HBASE-18067
>             Project: HBase
>          Issue Type: Improvement
>          Components: shell
>            Reporter: Josh Elser
>            Assignee: Josh Elser
>            Priority: Minor
>             Fix For: 2.0.0
>
>         Attachments: HBASE-18067.001.patch, HBASE-18067.002.patch, HBASE-18067.003.patch
>
>
> The {{get}} and {{scan}} shell commands have the ability to specify some complicated
syntax on how to encode the bytes read from HBase on a per-column basis. By default, bytes
falling outside of a limited range of ASCII are just printed as hex.
> It seems like the intent of these converts was to support conversion of certain numeric
columns as a readable string (e.g. 1234).
> However, if non-ascii encoded bytes are stored in the table (e.g. UTF-8 encoded bytes),
we may want to treat all data we read as UTF-8 instead (e.g. if row+column+value are in Chinese).
It would be onerous to require users to enumerate every column they're reading to parse as
UTF-8 instead of the limited ascii range. We can provide an option to encode all values retrieved
by the command.



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