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From Jeremy Hanna <>
Subject Re: New feature / educational project
Date Tue, 08 Feb 2011 22:25:17 GMT
I think the plugins/triggers/coprocessors is a great discussion to get going again if there
is interest.  It's been on the to-do list for a long time and just from what I've heard anecdotally,
there is a lot of interest.
On Feb 8, 2011, at 3:57 PM, David G. Boney wrote:

> Hi All,
> I am also interested a stored procedure feature. I spoke with Matthew Dennis at DataStax
about a month ago about some of the issues involved with implementing a stored procedure feature.
If anyone is in the Austin area and wants to get together for a cup of coffee to discuss this
feature, drop me a line.
> -------------
> Sincerely,
> David G. Boney
> On Feb 8, 2011, at 3:47 PM, Miguel Verde wrote:
>> See whatever preceded and
>> the current for
>> potentially similar ideas, as well as
>> and
>> for related issues.
>> On Tue, Feb 8, 2011 at 2:56 PM, Morten Wegelbye Nissen <> wrote:
>>> Hello mighty developers of Cassandra,
>>> I have been thinking of creating a feature like stored procedures for
>>> Cassandra.
>>> Concept is actually pretty simple add one of the javascript compilers. (
>>> Mozilla Rhino or one alike ). Save js source in a CF in the system keyspace.
>>> Add feature to thrift to invoke the code. Return just like get_slice.
>>> Needless to say that the execution environment needs access to the
>>> keyspaces and needs to be sandboxed. (ie. no access to filesystem etc. )
>>> On the cli it would be something like; > invoke myProc param1, param2,
>>> param3
>>> The alternative where the expansions, like the existing once, is done by
>>> implementing interfaces. Would require a rather complex distribution  of
>>> jars.
>>> Now I might have the option to get this done as a educational project,
>>> where I after the project would like to release the code to freedom.
>>> Would a feature like that ever make it to the core of Cassandra?
>>> ./Morten

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