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From "Robert Stupp (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-7461) operator functionality in CQL
Date Fri, 27 Jun 2014 10:47:24 GMT
Robert Stupp created CASSANDRA-7461:
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             Summary: operator functionality in CQL
                 Key: CASSANDRA-7461
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7461
             Project: Cassandra
          Issue Type: New Feature
          Components: API, Core
            Reporter: Robert Stupp


Intention: Allow operators in CQL

Operators could be decimal arithmetics {{+ - * /}} or boolen arithmetics {{| & !}}

{{SELECT tab.label + ' = ' + tab.value FROM foo.tab}}
{{SELECT * FROM tab WHERE tab.label + ' = ' + tab.value = 'foo = bar'}}
as well as
{{CREATE INDEX idx ON tab ( tab.tabel + '=' + tab.value )}}
or
{{CREATE INDEX idx ON tab (label) WHERE contains(tab.tabel, 'very-important-key')}}

Operators could be mapped to UDFs like this:
{{+}} mapped to UDF {{cstarstd::oper_plus(...)}}
{{-}} mapped to UDF {{cstarstd::oper_minus(...)}}
or handled directly via {{Cql.g}}




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