Is there a new deadline to the Sedna 4.0 release?
On Thu, Sep 13, 2012 at 6:59 PM, Олег Борисенко <a...@somestuff.ru> wrote:
> We *hope* that we will be able to release aplha version by 10.10.2012 but
> it's not a deadline : if something would be broken by that moment we will
> not be able to make a release
>
>
> On Fri, Sep 14, 2012 at 1:48 AM, Flávio R. C. Sousa <flavioso...@ufc.br>wrote:
>
>> Very cool. Do you have some deadline to released?
>>
>>
>> On Thu, Sep 13, 2012 at 6:24 PM, Олег Борисенко <a...@somestuff.ru> wrote:
>>
>>> Well, it's not ready yet and it's not a guarantee that everything would
>>> work as expected. But we hope that we would be able to make the following:
>>>
>>> 1. New numbering scheme. It should result in much smaller disk
>>> utilization.
>>> 2. Query optimizer. It should result in performance improvements for
>>> some types of queries.
>>> 3. Reduction of semaphores usage.
>>> 4. Database wouldn't depend one on another. It something is wrong
>>> with one database, it wouldn't crash others.
>>> 5. New front-end architecture:
>>> 1. Database management become client-side --- you would need just
>>> to connect se_gov to create/delete/start/stop databases
>>> 2. Asynchronious messaging protocol: it would be impossible to
>>> "hang" sedna from outside
>>> 3. No need for pping
>>> 4. It would be possible to specify many interfaces that sedna is
>>> listening to.
>>> 5. It would be possible to start sedna as windows service
>>> natively.
>>> 6. New protocol
>>> 7. "Pool" of trn's: se_trn wouldn't die after each session. It
>>> would result in much faster small transactions.
>>> 8. (maybe) diagnostic messaging channel for se_trn processes that
>>> would indicate transactions progress.
>>> 9. (maybe not in v4.0 but v4.1) rest api
>>> 10. (maybe not in v4.0 but v4.1) some sort of embedded sedna
>>> 11. (maybe) openssl library for connections encryption
>>> 12. internal unit-tests and new testing system that should result
>>> in better code quality
>>> 13. clang/llvm compiler support (it's working now too but we
>>> should check that everything is okay)
>>>
>>>
>>> I could forget something, but these are common new features that we are
>>> working on :)
>>>
>>>
>>> On Thu, Sep 13, 2012 at 9:14 PM, Flávio R. C. Sousa <
>>> flaviocso...@gmail.com> wrote:
>>>
>>>> What's new features in Sedna 4.0 ?
>>>>
>>>>
>>>> On Thu, Sep 13, 2012 at 1:06 PM, Олег Борисенко <a...@somestuff.ru>wrote:
>>>>
>>>>> We are working hard on Sedna 4.0 and it's not too simple to have a
>>>>> trip anywhere at this moment :)
>>>>>
>>>>>
>>>>> On Thu, Sep 13, 2012 at 5:29 PM, Charles Foster
>>>>> <char...@cfoster.net>wrote:
>>>>>
>>>>>> Will you be at XML Amsterdam on Wednesday?
>>>>>>
>>>>>> And will any other people who are on this list be there?
>>>>>>
>>>>>> On 13 September 2012 12:16, Robby Pelssers <robby.pelss...@nxp.com>
>>>>>> wrote:
>>>>>> > Hi Charles,
>>>>>> >
>>>>>> > Excellent suggestion. It's not the usual approach we take to set
>>>>>> properties but there's also nothing stopping me from storing XML in Sedna
>>>>>> containing properties.
>>>>>> >
>>>>>> > Brilliant workaround ;-)
>>>>>> >
>>>>>> > Thx,
>>>>>> > Robby
>>>>>> >
>>>>>> > -----Original Message-----
>>>>>> > From: charles.fos...@gmail.com [mailto:charles.fos...@gmail.com]
>>>>>> On Behalf Of Charles Foster
>>>>>> > Sent: Thursday, September 13, 2012 12:52 PM
>>>>>> > To: Robby Pelssers
>>>>>> > Cc: sedna-discussion@lists.sourceforge.net
>>>>>> > Subject: Re: [Sedna-discussion] question related to external global
>>>>>> variables
>>>>>> >
>>>>>> > Hi Robby,
>>>>>> >
>>>>>> > XQuery Library Modules (stored in Sedna) [1] can not have external
>>>>>> variables.
>>>>>> > Only XQuery Main Modules (i.e. Ad-hoc queries) can have external
>>>>>> > variables, you can bind these from the XQJ driver.
>>>>>> >
>>>>>> > You could set a constant variable in an XQuery Library Module.
>>>>>> >
>>>>>> > e.g.
>>>>>> >
>>>>>> > import module namespace constants = "http://
>>>>>> http://prod.nxp.com/constants";;
>>>>>> >
>>>>>> > declare function rdfutil:getURI($type as xs:string, $id as
>>>>>> xs:string)
>>>>>> > as xs:anyURI {
>>>>>> > xs:anyURI(concat($constants:base_uri, "/id/", $type, "/",
>>>>>> > rdfutil:normalizeIdentifier($id)))
>>>>>> > };
>>>>>> >
>>>>>> > If you want flexibility, you could have an XQuery Library Module
>>>>>> which
>>>>>> > provided functions to read values (like a base-uri) from a XML
>>>>>> > document existing in the Database.
>>>>>> >
>>>>>> > If you want to import no library module AND want for the variable
>>>>>> like
>>>>>> > $base-uri to exist for every single ad-hoc XQuery you invoke, you
>>>>>> will
>>>>>> > need to declare an external variable and bind via XQExpression or
>>>>>> > XQPreparedExpression.
>>>>>> >
>>>>>> > Hope this helps.
>>>>>> >
>>>>>> > Regards,
>>>>>> >
>>>>>> > Charles
>>>>>> >
>>>>>> > [1] http://www.sedna.org/progguide/ProgGuidesu8.html#x14-570002.5.5
>>>>>> >
>>>>>> >
>>>>>> > On 13 September 2012 11:15, Robby Pelssers <robby.pelss...@nxp.com>
>>>>>> wrote:
>>>>>> >> Hi all,
>>>>>> >>
>>>>>> >> I've read that Sedna does not support external variables
>>>>>> http://www.sedna.org/progguide/ProgGuidesu4.html
>>>>>> >>
>>>>>> >> But I have a function that needs to return a URI which is
>>>>>> environment specific.
>>>>>> >>
>>>>>> >> declare function rdfutil:getURI($type as xs:string, $id as
>>>>>> xs:string) as xs:anyURI {
>>>>>> >> xs:anyURI(concat("http://prod.nxp.com";, "/id/", $type, "/",
>>>>>> rdfutil:normalizeIdentifier($id)))
>>>>>> >> };
>>>>>> >>
>>>>>> >> So ideally I want to use a global variable which I can set
>>>>>> externally. (e.g. $base_uri)
>>>>>> >>
>>>>>> >> declare function rdfutil:getURI($type as xs:string, $id as
>>>>>> xs:string) as xs:anyURI {
>>>>>> >> xs:anyURI(concat($base_uri, "/id/", $type, "/",
>>>>>> rdfutil:normalizeIdentifier($id)))
>>>>>> >> };
>>>>>> >>
>>>>>> >> But Sedna won't allow me to deploy this module which is
>>>>>> understandable as I reference a non declared variable
>>>>>> >>
>>>>>> >> Details: at (10:35), syntax error, unexpected ;, expecting := or
>>>>>> as or external
>>>>>> >>
>>>>>> >>
>>>>>> >> I could of course change the function signature to
>>>>>> >> declare function rdfutil:getURI($base_uri as xs:string, $type as
>>>>>> xs:string, $id as xs:string) as xs:anyURI {
>>>>>> >> xs:anyURI(concat($base_uri, "/id/", $type, "/",
>>>>>> rdfutil:normalizeIdentifier($id)))
>>>>>> >> };
>>>>>> >>
>>>>>> >> But this would have to get propagated to ALL functions calling
>>>>>> rdfutil:getURI, which more concretely would involve changing every single
>>>>>> function as they all depend on this rdfutil:getURI (in)directly.
>>>>>> >>
>>>>>> >> As a side note,
>>>>>> >>
>>>>>> >> We are using the driver from Charles Foster but that won't help us
>>>>>> in this case as this use case is about modules and not standalone
>>>>>> xqueries
>>>>>> used in our app.
>>>>>> >>
>>>>>> >> So besides the tedious solution of refactoring all function
>>>>>> signatures, is there a simpler way?
>>>>>> >>
>>>>>> >> Thx in advance,
>>>>>> >> Robby
>>>>>> >>
>>>>>> >>
>>>>>> >>
>>>>>> >>
>>>>>> ------------------------------------------------------------------------------
>>>>>> >> Live Security Virtual Conference
>>>>>> >> Exclusive live event will cover all the ways today's security and
>>>>>> >> threat landscape has changed and how IT managers can respond.
>>>>>> Discussions
>>>>>> >> will include endpoint security, mobile security and the latest in
>>>>>> malware
>>>>>> >> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
>>>>>> >> _______________________________________________
>>>>>> >> Sedna-discussion mailing list
>>>>>> >> Sedna-discussion@lists.sourceforge.net
>>>>>> >> https://lists.sourceforge.net/lists/listinfo/sedna-discussion
>>>>>> >>
>>>>>> >
>>>>>> >
>>>>>> ------------------------------------------------------------------------------
>>>>>> > Live Security Virtual Conference
>>>>>> > Exclusive live event will cover all the ways today's security and
>>>>>> > threat landscape has changed and how IT managers can respond.
>>>>>> Discussions
>>>>>> > will include endpoint security, mobile security and the latest in
>>>>>> malware
>>>>>> > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
>>>>>> > _______________________________________________
>>>>>> > Sedna-discussion mailing list
>>>>>> > Sedna-discussion@lists.sourceforge.net
>>>>>> > https://lists.sourceforge.net/lists/listinfo/sedna-discussion
>>>>>> >
>>>>>>
>>>>>>
>>>>>> ------------------------------------------------------------------------------
>>>>>> Live Security Virtual Conference
>>>>>> Exclusive live event will cover all the ways today's security and
>>>>>> threat landscape has changed and how IT managers can respond.
>>>>>> Discussions
>>>>>> will include endpoint security, mobile security and the latest in
>>>>>> malware
>>>>>> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
>>>>>> _______________________________________________
>>>>>> Sedna-discussion mailing list
>>>>>> Sedna-discussion@lists.sourceforge.net
>>>>>> https://lists.sourceforge.net/lists/listinfo/sedna-discussion
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> ------------------------------------------------------------------------------
>>>>> Live Security Virtual Conference
>>>>> Exclusive live event will cover all the ways today's security and
>>>>> threat landscape has changed and how IT managers can respond.
>>>>> Discussions
>>>>> will include endpoint security, mobile security and the latest in
>>>>> malware
>>>>> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
>>>>> _______________________________________________
>>>>> Sedna-discussion mailing list
>>>>> Sedna-discussion@lists.sourceforge.net
>>>>> https://lists.sourceforge.net/lists/listinfo/sedna-discussion
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Prof. Flávio R. C. Sousa
>>>> Federal University of Ceara
>>>> http://www.es.ufc.br/~flavio
>>>>
>>>>
>>>
>>
>>
>> --
>> Prof. Flávio R. C. Sousa
>> Federal University of Ceara
>> http://www.es.ufc.br/~flavio
>>
>
>
>
> ------------------------------------------------------------------------------
> Live Security Virtual Conference
> Exclusive live event will cover all the ways today's security and
> threat landscape has changed and how IT managers can respond. Discussions
> will include endpoint security, mobile security and the latest in malware
> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
> _______________________________________________
> Sedna-discussion mailing list
> Sedna-discussion@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/sedna-discussion
>
>
--
Prof. Flávio R. C. Sousa
Federal University of Ceara
http://www.es.ufc.br/~flavio
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