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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-18067) Support a default converter for data read shell commands
Date Wed, 17 May 2017 21:43:04 GMT
Josh Elser created HBASE-18067:
----------------------------------

             Summary: 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


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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