[xquery-talk] asterixdb

[Pavel Velikhov]

N1QL seems to have all the features to support a JSONiq front-end. Seems like a simple translation, except for the group-by clause.
I guess if people like 4-valued logic, breaking up constructors into group by and select clauses - let them have it :)

> On 10 Oct 2015, at 13:03, daniela florescu <dflorescu at me.com> wrote:
> 
> Andy,
> 
> The story is more complicated here.
> 
> The professor at Irvine Univ. in charge of the students team who designed AsterixDB, Mike Carey, is 
> today the Chief Architect of CouchDB, who ships the N1QL that I just sent yesterday.
> 
> Mike Carey knows exactly XQuery, given that he was in charge of my XQuery processor at BEA Systems after I left.
> 
> So it’s definitely not by lack of knowledge that he went BACKWARDS and N1QL is even more primitive then SQL 92
> (just added some primitive forms of path expressions to it..)
> 
> It’s probably market pressure…. 
> 
> IT HAS TO LOOK LIKE SQL, AND IT HAS TO USE THE THREE MAGIC KEYWORDS “select” “from” AND “where”.
> 
> 
> Other then that, who cares that from a data processing perspective, we go backwards where we were in 1994 !???
> (and nested select-from-where in the from clause are considered “disruptive” ..huh..)
> 
> Depressing. 
> 
> Are users so ignorant and they prefer a vanilla syntax that they know over significant expressive power  ?
> 
>  I wonder.
> 
> Dana
> 
> 
> 
> 
>> On Oct 9, 2015, at 3:31 PM, Andy Bunce <bunce.andy at gmail.com <mailto:bunce.andy at gmail.com>> wrote:
>> 
>> Hi,
>> 
>> Not tried it myself but, AsterixDB [1] may be of interest to XQuery users.
>> 
>> >The heart of AQL[2] is the FLWOR (for-let-where-orderby-return) expression. The roots of this expression were borrowed from the expression of the same name in XQuery.
>> 
>> and
>> 
>> >but XQuery was co-designed by a diverse band of experienced language designers (SQL, functional programming,and XML experts) 
>> >and we wanted to avoid revisiting many of the same issues [3]
>> 
>> Regards
>> /Andy
>> 
>> [1] https://asterixdb.ics.uci.edu/ <https://asterixdb.ics.uci.edu/>
>> [2] https://asterixdb.ics.uci.edu/documentation/aql/manual.html <https://asterixdb.ics.uci.edu/documentation/aql/manual.html>
>> [3] http://www.vldb.org/pvldb/vol7/p1905-alsubaiee.pdf <http://www.vldb.org/pvldb/vol7/p1905-alsubaiee.pdf>
>> 
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С уважением,
Павел Велихов
pavel.velikhov at gmail.com

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