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HBASE-1509 Add explanation to shell help command on how to use binary keys 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/hbase/trunk@783993 13f79535-47bb-0310-9956-ffa450edef68
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Michael Stack 2009-06-12 06:04:58 +00:00
parent d841ab681d
commit d1a678ca83
2 changed files with 13 additions and 0 deletions
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2
CHANGES.txt
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@ -320,6 +320,8 @@ Release 0.20.0 - Unreleased
HBASE-1453 Add HADOOP-4681 to our bundled hadoop, add to 'gettting started' HBASE-1453 Add HADOOP-4681 to our bundled hadoop, add to 'gettting started'
recommendation that hbase users backport recommendation that hbase users backport
HBASE-1507 iCMS as default JVM HBASE-1507 iCMS as default JVM
HBASE-1509 Add explanation to shell "help" command on how to use binarykeys
(Lars George via Stack)
OPTIMIZATIONS OPTIMIZATIONS
HBASE-1412 Change values for delete column and column family in KeyValue HBASE-1412 Change values for delete column and column family in KeyValue

11
bin/hirb.rb
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@ -258,6 +258,17 @@ the '=>' character combination. Usually keys are predefined constants such as
NAME, VERSIONS, COMPRESSION, etc. Constants do not need to be quoted. Type NAME, VERSIONS, COMPRESSION, etc. Constants do not need to be quoted. Type
'Object.constants' to see a (messy) list of all constants in the environment. 'Object.constants' to see a (messy) list of all constants in the environment.
In case you are using binary keys or values and need to enter them into the
shell then use double-quotes to make use of hexadecimal or octal notations,
for example:
hbase> get 't1', "key\\x03\\x3f\\xcd"
hbase> get 't1', "key\\003\\023\\011"
hbase> put 't1', "test\\xef\\xff", 'f1:', "\\x01\\x33\\x40"
Using the double-quote notation you can directly use the values output by the
shell for example during a "scan" call.
This HBase shell is the JRuby IRB with the above HBase-specific commands added. This HBase shell is the JRuby IRB with the above HBase-specific commands added.
For more on the HBase Shell, see http://wiki.apache.org/hadoop/Hbase/Shell For more on the HBase Shell, see http://wiki.apache.org/hadoop/Hbase/Shell
HERE HERE