BaseX-Talk

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the stack - what are your current favorites?
by Colin McEnearney 21 Aug '12

21 Aug '12

Dear basex xml-ers, What is your stack of choice these days? As a newcomer, interested in learning how to develop for the web using x* from end to end, it's tricky to see how quickly this space is evolving, and what is the latest and greatest. Lots of info on the basex, exist, and marklogic sites, + Adam Retter's site, + some very evangelical blog posts on XRX from 2007-09... And more recently the implementation of restxq by basex and exist... And XQuery in the browser. So many possibilities, but no one stack/framework to rule them all... ? Very interested to hear what basex users are developing with. Thanks, Colin

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restxq
by Colin McEnearney 20 Aug '12

20 Aug '12

This is a newbie email. I've been using basex for some time for its xquery engine (which is awesome) but never in production or for web development. I have some small projects coming up and looking at it for the db side of a web app I just noticed RESTXQ - looks really cool! I'm not really a developer but I use xquery every day at work and so would love to use it - exclusively if possible. Does restxq mean that you can serve a site with no client (php, ruby, etc) in between the db and the html? basex <-> html That would be so simple and fun, and quite useful for a blog or other not-too-huge type of thing. Or is that totally crazy for security reasons? Colin

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xquery grouping
by sateesh 20 Aug '12

20 Aug '12

Hi Basex, I have written a query on an xml file which contains 13000 nodes ,query does some grouping action on that xml,when I run that query it is taking huge amount of memory(1.5gb) and also processing time. PFA of xml file and the query.I have removed the nodes from xml for easy transfer,but in the original xml there will be around 13k <row/> tags Please suggest whether is there a way to reduce the memoru consumption. Thanks & Regards Sateesh.A

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MAXCATS improvement
by Fabrice Etanchaud 19 Aug '12

19 Aug '12

Dear all at BaseX, I 'm working on a big database (more than 100 Go) containing several millions of articles, identified by a unique element. I frequently iterate on the identifiers list, each time I have to compute distinct-values(//myidentifier) in order to build that list. Could it help to set MAXCATS to 2 000 000 or 3 000 000 before creating the database ? I cannot try it, because text index generation throws a heap overflow. Could it be possible to improve the MAXCATS option in order to set a individual MAXCATS value for a specified element or attribute ? Finally, is there a way to complete the text index generation (Xmx is already set to maximum) ? Best regards, Fabrice ETANCHAUD Senior Software Engineer edital Berkenlaan 1 B-1831 Brussels, Belgium <skype:fabrice.etanchaud?call> +32 2 716 32 32 general +32 2 716 32 20 fax fetanchaud(a)edital.com corsearch.com <http://www.corsearch.com/> | edital.com <http://www.edital.com/> <outbind://899-00000000E439C83B50BF17409D8C27B7AE0425AF07005AA868536216F 543BAB9422EAEA5338B00000011020900005AA868536216F543BAB9422EAEA5338B00000 13AA36B0000/cid:image001.gif@01CC0F02.2C91B6C0> Confidentiality Notice: This email and its attachments (if any) contain confidential information of the sender. The information is intended only for the use by the direct addressees of the original sender of this email. If you are not an intended recipient of the original sender (or responsible for delivering the message to such person), you are hereby notified that any review, disclosure, copying, distribution or the taking of any action in reliance of the contents of and attachments to this email is strictly prohibited. If you have received this email in error, please immediately notify the sender at the address shown herein and permanently delete any copies of this email (digital or paper) in your possession.

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by Academic Proofreading Services 18 Aug '12

18 Aug '12

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restxq
by Andy Bunce 18 Aug '12

18 Aug '12

Hi, I am a great fan of RESTXQ, however there seems to be a security concern with the current BaseX implementation when used without additional layers to top. This is that the source code is available for anyone to view. E.g. with the standard installation http://localhost:8984/restxq/ is the restxq demo but http://localhost:8984/restxq.xqm reveals the source. I have pondered small changes to the implementation that would address this, e.g maybe the RESTXQ code could go in WEB-INF folders or similar. Regards /Andy > > Message: 1 > Date: Fri, 17 Aug 2012 14:26:12 -0400 > From: Colin McEnearney <colinmcenearney(a)gmail.com> > To: basex-talk(a)mailman.uni-konstanz.de > Subject: [basex-talk] restxq > Message-ID: > <CAPh7s+KPgb95fFRxGdyKUaKcv= > pkV5LVhjUOR+EVOiqQmK2oWw(a)mail.gmail.com> > Content-Type: text/plain; charset="iso-8859-1" > > This is a newbie email. > > I've been using basex for some time for its xquery engine (which is > awesome) but never in production or for web development. I have some small > projects coming up and looking at it for the db side of a web app I just > noticed RESTXQ - looks really cool! > > I'm not really a developer but I use xquery every day at work and so would > love to use it - exclusively if possible. Does restxq mean that you can > serve a site with no client (php, ruby, etc) in between the db and the > html? > > basex <-> html > > That would be so simple and fun, and quite useful for a blog or other > not-too-huge type of thing. > > Or is that totally crazy for security reasons? > > > Colin >

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Re: [basex-talk] feed additive,soya lecithin
by tjboshuai_bella 17 Aug '12

17 Aug '12

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Table visualization of xquery results
by Rob Heiser 16 Aug '12

16 Aug '12

I'm using BaseXGUI to develop xqueries. The xqueries transform some data from the database into XML that will be rendered as a table. Will the table visualization view in BasexGUI work this way? My xqueries look something like this: let $dbName := "foo" return <table> <columns> <column>Name</column> <column>Child name</column> </columns> <rows> { for $item in doc($dbname)/some/xpath return <row> <cell>{$item/name/text()}</cell> <cell>{$item/child/name/text()}</cell> </row> } </rows> </table> The text view of the results look like I expect it to, and using the xqueries inside the application I'm developing works once I get them written and debugged. I'd like to preview the tables inside BaseXGUI if possible, before returning to the IDE and having to run the application, if possible. Thanks for any guidance. -- Rob

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BaseX performances with many users and many files
by Yoann Maingon 16 Aug '12

16 Aug '12

Hi, We are building a solution that is actually using baseX, you can get a brief description there : http://launch.mysimplegrid.com/ The prototype works ok today for a few users. It is basically a spreadsheet UI storing its data in BaseX using the PHP library. Our question today is about this database use. For each spreadsheet we create a database in basex which means if we have a thousand users with 20 spreadsheets each, it makes a total of 20 thousand database in basex. where each one is access by one or a few users (not simulteanously). Would it be better to create just one database containing all the spreadsheets but access by the 1000 users? I'm looking for some information about concurrent performance and the utility of having multiple database or just one database for all? The other option would be to store just xml as text in mysql but It's really handy to work with basex and it allows us to update single nodes when to do that with mysql I would have to save the whole xml everytime. -- Yoann Maingon mydatalinx 0664324966

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BaseX and eXist XML database differences
by mailbox＠actamail.com 16 Aug '12

16 Aug '12

Can anyone help me in telling the differences of BaseX and eXist XML databases? I am looking for a native XML database to use for my web content management system and homepage.

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