Re: [Exist-open] Stop XQuery caching

[Adam R. <ad...@ex...>]

Well that depends on what your users are doing in a 'production'
environment? Often with a database in a production environment people
want to be able to query it, with queries they had not previously
composed. Take a look in conf.xml, especially at the documentation in
there for the 'query-pool' element...

On 31 May 2011 20:36, Patrick Bosek <pat...@jo...> wrote:
> interesting. I would tend to think neither is really important in a
> production environment, so couldn't we just put a flag into the XQuery that
> would force it to recompile?
>
> On Tue, May 31, 2011 at 1:16 PM, Adam Retter <ad...@ex...> wrote:
>>
>> Ah okay - this is actually a long standing issue and it would be great
>> to get this fixed. The problem is that when we evaluate whether to
>> serve the compiled version of an xquery we do not look at the
>> last-modified time of any xquery modules that it includes - this
>> should probably be fixed.
>>
>> However fixing this may introduce a performance drain as when you
>> request a query we would have to examine it to determine all the
>> modules, examine the modules for further included modules, and then
>> read the metadata for each file so that we get the last-modified date.
>> A preferable approach would be to move to an eagerly compiled system,
>> whereby queries are compiled when saved into the database and the
>> compiled form is kept somewhere, in this way the compiled queries can
>> never be out of date.
>>
>> On 31 May 2011 18:20, Patrick Bosek <pat...@jo...> wrote:
>> > I should probably be a little more specific here. I already have my
>> > controller set up with:
>> >
>> > <ignore xmlns="http://exist.sourceforge.net/NS/exist">
>> >         <cache-control cache="no"/>
>> >     </ignore>
>> >
>> > But, I still have situations where I have to go to my .xql and edit/save
>> > it
>> > after I make changes to one of my .xqm to get the changed .xqm to be
>> > used.
>> >
>> > Also, I'm on 1.4.x
>> >
>> > Thanks,
>> >
>> > Patrick
>> >
>> > On Tue, May 31, 2011 at 11:07 AM, Patrick Bosek
>> > <pat...@jo...>
>> > wrote:
>> >>
>> >> Hi everyone,
>> >>
>> >> Does anyone know how to turn off XQuery caching for one specific
>> >> xquery?
>> >> Is there a flag I can put on the query somewhere that tells the parser
>> >> to
>> >> always rebuild it?
>> >>
>> >>
>> >> Thanks!
>> >>
>> >> --
>> >> Patrick Bosek
>> >> Jorsek Software
>> >> Cell (585) 820 9634
>> >> Office (585) 239 6060
>> >> Jorsek.com
>> >>
>> >
>> >
>> >
>> > --
>> > Patrick Bosek
>> > Jorsek Software
>> > Cell (585) 820 9634
>> > Office (585) 239 6060
>> > Jorsek.com
>> >
>> >
>> >
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>> >
>> >
>>
>>
>>
>> --
>> Adam Retter
>>
>> eXist Developer
>> { United Kingdom }
>> ad...@ex...
>> irc://irc.freenode.net/existdb
>
>
>
> --
> Patrick Bosek
> Jorsek Software
> Cell (585) 820 9634
> Office (585) 239 6060
> Jorsek.com
>
>



-- 
Adam Retter

eXist Developer
{ United Kingdom }
ad...@ex...
irc://irc.freenode.net/existdb