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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-1002) Small query language for filters
Date Mon, 17 Nov 2008 19:21:44 GMT
Small query language for filters

                 Key: HBASE-1002
                 URL: https://issues.apache.org/jira/browse/HBASE-1002
             Project: Hadoop HBase
          Issue Type: Improvement
          Components: filters
            Reporter: Andrew Purtell
            Priority: Minor

Improve the usability of filters by making them specifiable or executable using a little query

For example:

    col("entry:price") > 3 && (col("entry:name") = "ABC" || col("entry:name") =

Can be implemented as a little language compiler that takes filter specifications as input
and builds the requisite hierarchy of filter API classes and actions as emitted java code.

Can also be implemented using JRuby snippets sent to the regionserver for execution, but this
has troublesome security implications.

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