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https://issues.apache.org/jira/browse/HADOOP-1608?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12516194
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stack commented on HADOOP-1608:
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Thanks for weighing in Jeff (and thanks for the educating pointer).
Currently, the shell is SQL-like (some data manipulation, some data
definition). IMO, exposing relational algebra operators in the shell will make
for a mix of operator types and will tend to confuse because folks are used to
relational algebra's cousin SQL manipulating "databases". But as you suggest,
an SQL shell for hbase mayhaps should be done as a different issue and would
leverage Edward and crew's work done here?
> [HbaseShell] Relational Algrebra Operators
> ------------------------------------------
>
> Key: HADOOP-1608
> URL: https://issues.apache.org/jira/browse/HADOOP-1608
> Project: Hadoop
> Issue Type: Improvement
> Components: contrib/hbase
> Environment: All environments
> Reporter: edward yoon
> Priority: Minor
> Fix For: 0.14.0
>
> Attachments: shell_r_operators_v01.patch, shell_v02.patch,
> shell_v03.patch, shell_v04.patch, shell_v05.patch
>
>
> Development of relational algebra operators has begun.
> * Projection
> * Selection
> * Product
> * Rename
> * Group
> * Sort
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