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From "Nick Dimiduk (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-10091) Exposing HBase DataTypes to non-Java interfaces
Date Thu, 05 Dec 2013 23:18:35 GMT
Nick Dimiduk created HBASE-10091:
------------------------------------

             Summary: Exposing HBase DataTypes to non-Java interfaces
                 Key: HBASE-10091
                 URL: https://issues.apache.org/jira/browse/HBASE-10091
             Project: HBase
          Issue Type: Sub-task
            Reporter: Nick Dimiduk


Access to the DataType implementations introduced in HBASE-8693 is currently limited to consumers
of the Java API. It is not easy to specify a data type in non-Java environments, such as the
HBase shell, REST or Thrift Gateways, command-line arguments to our utility MapReduce jobs,
or in integration points such as a (hypothetical extension to) Hive's HBaseStorageHandler.
See examples where this limitation impedes in HBASE-8593 and HBASE-10071.

I propose the implementation of a type definition DSL, similar to the language defined for
Filters in HBASE-4176. By implementing this in core HBase, it can be reused in all of the
situations described previously. The parser for this DSL must support arbitrary type extensions,
just as the Filter parser allows for new Filter types to be registered at runtime.



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