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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
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commit d1a678ca83
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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'
recommendation that hbase users backport
HBASE-1507 iCMS as default JVM
HBASE-1509 Add explanation to shell "help" command on how to use binarykeys
(Lars George via Stack)
OPTIMIZATIONS
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
'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.
For more on the HBase Shell, see http://wiki.apache.org/hadoop/Hbase/Shell
HERE