- BaseX-Talk - mailman.uni-konstanz.de

TIMEOUT option
by Andy Bunce 03 Mar '12

03 Mar '12

I want to timeout long queries run via the client socket API (in fact using my node.js client) I start the server with: basexserver -c "SET TIMEOUT 2" -S However i am not seeing a timeout when executing queries. Am I doing this the right way? /Andy

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Fwd: Ask about EVENT
by truc.cam＠emotive.de 02 Mar '12

02 Mar '12

Hi, I followed your instruction. But it still skipped some number. ----- Forwarded message from Truong An Nguyen <ngtruongan(a)gmail.com> ----- Date: Fri, 2 Mar 2012 09:14:57 +0100 From: Truong An Nguyen <ngtruongan(a)gmail.com> Subject: Fwd: [basex-talk] Ask about EVENT To: truc.cam(a)emotive.de ---------- Forwarded message ---------- From: Andreas Weiler <andreas.weiler(a)uni-konstanz.de> Date: Fri, Mar 2, 2012 at 9:09 AM Subject: Re: [basex-talk] Ask about EVENT To: Truong An Nguyen <ngtruongan(a)gmail.com> Cc: basex-talk(a)mailman.uni-konstanz.de Hi, the problem is that you call the session2.close() method before all items are printed out in the for loop in the notify method of the notifier. This closes the session2 before all items from the event are received. Just implement a mechanism, which is waiting for all items of the event before closing the session2. -- Andreas Am 02.03.2012 um 08:51 schrieb Truong An Nguyen: > Dear BaseX team, > I'd like to ask you why my class not run correctly. I'm using EVENT to notify changes from xquery. It must print numbers from 1 to 10, 50 times for each. Why does it skip some numbers in a random manner? How can I do to correct it? > Please see my attachment. > Thanks in advance. > > > <mainclass.java>_______________________________________________ > BaseX-Talk mailing list > BaseX-Talk(a)mailman.uni-konstanz.de > https://mailman.uni-konstanz.de/mailman/listinfo/basex-talk ----- End forwarded message -----

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BaseX 7.1.1 Update - Soft-Files.com
by Soft-Files Team 02 Mar '12

02 Mar '12

Dear Developer, Your product BaseX 7.1.1 has been updated. Your product review page is located at: http://www.soft-files.com/basex_72311.html. Sincerely, The Soft-Files Team

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Ask about EVENT
by Truong An Nguyen 02 Mar '12

02 Mar '12

Dear BaseX team, I'd like to ask you why my class not run correctly. I'm using EVENT to notify changes from xquery. It must print numbers from 1 to 10, 50 times for each. Why does it skip some numbers in a random manner? How can I do to correct it? Please see my attachment. Thanks in advance.

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Ask about EVENT
by truc.cam＠emotive.de 01 Mar '12

01 Mar '12

Dear BaseX team, I'd like to ask you why my class not run properly. I'm using EVENT to notify changes from xquery. It must print numbers from 1 to 10, 50 times for each number. Why does it skip some numbers in a random manner? How can I do to correct it? Please see my attachment. Thanks in advance.

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Writing JDom Elements into BaseX
by Kavuma, J.M. 01 Mar '12

01 Mar '12

Thanks; JDOM seems to be required by one of the additional API libraries (maybe WebDAV?). The core of BaseX runs without any additional libraries. > On Fri, Feb 17, 2012 at 4:52 PM, Kavuma, J.M. <J.M.Kavuma(a)tue.nl> wrote: >> Hi Christian, >> Thanks for the reply. I browsed the libraries bundle with baseX and jdom-1.1 is included. I have attached a snapshot of this. >> Martin >> >> -----Original Message----- >> From: christian.gruen(a)gmail.com [mailto:christian.gruen@gmail.com] On >> Behalf Of Christian Grün >> Sent: vrijdag 17 februari 2012 16:40 >> To: Kavuma, J.M. >> Subject: Re: Please advise me >> >> Hi Martin, >> >>> Since baseX uses jdom, I wonder if it is possible to write an xml >>> jdom element or document to baseX. If it is possible could you >>> advise me on how to do this. Thank you in advance. >> >> we're having our own storage and main representation of xml data, which is why you can't use any jdom connectors. where did you read that we're using jdom? >> >> Christian >> From: Kavuma, J.M. >> Sent: vrijdag 17 februari 2012 16:30 >> To: 'cg(a)basex.org' >> Subject: Please advise me >> >> Hello Christian, >> I start by thanking you for your informative examples. I though find myself in a tricky situation. >> I am using the jdom library to create xml elements that I would like to write into the baseX database directly. In your examples I see you use a string for example "<x>Hello Universe!</x>", of which you extract the bytes that are then written to stream. >> Since baseX uses jdom, I wonder if it is possible to write an xml jdom element or document to baseX. If it is possible could you advise me on how to do this. Thank you in advance. >> Best regards, >> Martin

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Invitation to connect on LinkedIn
by Daniel Winther Petersen 01 Mar '12

01 Mar '12

LinkedIn ------------ I'd like to add you to my professional network on LinkedIn. - Daniel Winther Daniel Winther Petersen Computer Scientist at Aarhus University (Denmark) Århus Area, Denmark Confirm that you know Daniel Winther Petersen: https://www.linkedin.com/e/87foxj-gz9srpai-42/isd/6127507061/UjJ7MQ3G/?hs=f… -- You are receiving Invitation to Connect emails. Click to unsubscribe: http://www.linkedin.com/e/87foxj-gz9srpai-42/zioofSgcXxk6Z0qkz2tzXPgcuoZUWr… (c) 2012 LinkedIn Corporation. 2029 Stierlin Ct, Mountain View, CA 94043, USA.

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Running an XQuery file within a Java Client
by Kavuma, J.M. 01 Mar '12

01 Mar '12

Hm Martyin, just try the "Run" command (our Wiki may give you some more hints on the existing commands [1]) Christian PS: you are welcome to write to our basex-talk mailing list, as your questions may interest other users as well. [1] http://docs.basex.org/wiki/Commands ______________________________ On Thu, Feb 23, 2012 at 1:24 PM, Kavuma, J.M. <J.M.Kavuma(a)tue.nl> wrote: > Hi Christian, > I have another question; this time regarding executing queries. In the examples, queries are only sent to the server as Strings in {new XQuery("")} objects; is this the only way send queries to the server?. I would like to write a query and save it as a file say "foo.xq", and then execute it from a java a client. Is this possible? > Thanks in advance, > Martyin

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Listing packages in machine-readable form w/ versioning info?
by Charles Duffy 29 Feb '12

29 Feb '12

Howdy -- As best I can tell, there are currently two ways to list installed packages: - The REPO LIST command, which returns complete output, but in a format clearly intended for human consumption. - The repo:list() function, which is more programatically accessible but returns only namespaces (no version numbers)... simply repeating a single namespace twice if two versions of that package are installed. A mechanism to access the installed package list which includes versioning and directory info (the latter to allow uninstallation of a specific version using repo:delete) would be useful.

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access control
by Victor Petrov 29 Feb '12

29 Feb '12

Dear BaseX Community, is it possible to restrict user access on a per-document (or even better, per-element) basis? Imagine that multiple users are sharing the same database and the system needs to prevent XPath queries on the documents/elements which the current user doesn't have access to. If not, is there any other way this functionality could be achieved using BaseX? Thank you in advance! Regards, Victor

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Bug#661297: say how to do a perfect HTML round trip, also man page still doesn't mention HTML
by jidanni＠jidanni.org 27 Feb '12

27 Feb '12

X-debbugs-Cc: basex-talk(a)mailman.uni-konstanz.de Package: basex Version: 7.1.1-2 Severity: wishlist We read basex (7.1.1-2) unstable; urgency=low * Allow non well-formed HTML to be parsed if libtagsoup-java is installed. * Updated man page with an example on how to parse HTML. But we find no such example on the man page. Also please add something to http://docs.basex.org/wiki/Parsers ... OK, I added a minimal http://docs.basex.org/wiki/Parsers#HTML_Parsers By the way http://home.ccil.org/~cowan/XML/tagsoup/ says --files Output into individual files, with html extensions changed to xhtml. Otherwise, all output is sent to the standard output. --html Output is in clean HTML: the XML declaration is suppressed, as are end-tags for the known empty elements. --omit-xml-declaration The XML declaration is suppressed. etc. Please mention how we can manipulate these via "declare option...". Also mention how to manipulate the 'SAX features and properties' mentioned. Allow us to attempt a round trip, declare option db:parser "html"; declare option output:method "html"; declare option output:version "4.01"; declare option output:doctype-public "-//W3C//DTD HTML 4.01//EN"; declare option output:doctype-system "http://www.w3.org/TR/html4/strict.dtd"; doc("http://jidanni.org/index.html") Alas, I need to somehow use --html, and also who is putting those shape="rect" into my <a> links?? Ah, maybe --html will fix that too, http://www.xmlplease.com/shaperect . I can accept the fact that comments are stripped, but there should be a way to adjust things so one can get a closer HTML round trip.

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Serialization to image files
by Andreas Karpf 27 Feb '12

27 Feb '12

Hi, I have a question, which sound a little bit strange. Is there away to serialize to image files (png, pdf etc.)? I am graceful fro every hint. I used to use Mac until two months ago. There I serialized to html documents and then used a secondary software to convert these html files to pngs. Unfortunately I can't find anything like that on Linux, with which I am working now. Best regards, Andreas Karpf

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BaseX Antivirus Scan Report on FileCluster.com
by FileCluster Security 26 Feb '12

26 Feb '12

Dear Developer,BaseX has been downloaded and tested by Filecluster Labs on 27 Feb 2012 with today's best antivirus engines: BitDefender Antivirus, Kaspersky Antivirus, NOD32 and Avira Antivirus. The report shows that BaseX has been found clean of any viruses or malware and has been flagged as safe to install. You can find the detailed antivirus scan reports at this page: http://www.filecluster.com/Antivirus-Report/BaseX.html. (if the page isn't working, please allow between 5-30 mins for the cache to refresh) Please keep in mind that we will constantly scan your software with each version update or on-demand, if necessary. We have also displayed a clean award within FileCluster to assure our visitors that BaseX is clean and safe to install.If you feel that this report could add value to your visitors as well, you can use any of the banners presented within the report page. Future development of this feature will depend on feedback, so any suggestions or general feedback are greatly appreciated. Also, mentioning this report onto your blog, news page or press releases is highly appreciated, encouraging us to improve the scanner and extend it even further. If you wish to unsubscribe from receiving such notifications, please contact us via email and let us know. Keep in mind that by unsubscribing, you will never receive any emails from FileCluster again, such as promotions, security reports, community feedback and so on. Don't hesitate to contact us for any issues regarding our security service. Best Regards, Jamie P. - FileCluster Security www.filecluster.com

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BaseX 7.1.2 beta: relative paths within packages
by Andy Bunce 26 Feb '12

26 Feb '12

I have a built an xar package with a xquery source that imports another module. It has three files as follows: ---expath-pkg.xml------- <package xmlns="http://expath.org/ns/pkg" name="apb.pacman" abbrev="lib" version="0.1" spec="1.0"> <title>package tools</title> <xquery> <namespace>apb.pacman</namespace> <file>pacman.xq</file> </xquery> </package> ----------lib/pacman.xq------- xquery version "1.0" encoding "UTF-8"; module namespace q="apb.pacman"; import module namespace p="parser-basex" at "parser-basex.xq"; declare function q:info() { "hello from pacman" }; declare function q:parse($xq as xs:string) { p:parse-XQuery($xq) }; ----------lib/parser-basex.xq------- xquery version "1.0" ... etc -------------------------------- In the GUI I enter: import module namespace q="apb.pacman"; q:info() I get the error: Error: [XQST0059] Module not found: '/home/andy/parser-basex.xq I was expecting p="parser-basex" at "parser-basex.xq" to be resolved relative to pacman.xq in the repo. Is this a bug, or am I misreading the spec? /Andy

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NPE in DataBuilder.stripNS() during RESTPost.run() with rest:context provided
by Charles Duffy 24 Feb '12

24 Feb '12

Howdy -- I'm getting a stack trace putting the following query (exact, unmodified) through the REST POST interface on a BaseX snapshot as of this morning: $ curl -X POST -T - -H 'Content-Type: application/xml' \ http://admin:admin@localhost:8984/rest <<EOF <rest:query xmlns:rest="http://basex.org/rest"> <rest:text> / </rest:text> <rest:context> <root> <foobar:root xmlns:foobar="http://example.com/foobar"> <foobar:b/><foobar:b/><foobar:b/> </foobar:root> </root> </rest:context> </rest:query> EOF Unexpected error: null (yes, it requires _three_ of the <foobar:b/> elements before this happens -- execution is fine with just two) Improper use? Potential bug? Your feedback is welcome: Contact: basex-talk(a)mailman.uni-konstanz.de Version: BaseX 7.1.2 beta [6/1859] Java: Oracle Corporation, 1.7.0_02 OS: Linux, amd64 Stack Trace: java.lang.NullPointerException org.basex.data.NSNode.delete(NSNode.java:103) org.basex.data.NSNode.delete(NSNode.java:103) org.basex.data.NSNode.delete(NSNode.java:103) org.basex.data.Namespaces.delete(Namespaces.java:198) org.basex.query.util.DataBuilder.stripNS(DataBuilder.java:313) org.basex.api.rest.RESTPost.run(RESTPost.java:121) org.basex.api.rest.RESTServlet.run(RESTServlet.java:64) org.basex.api.rest.RESTServlet.doPost(RESTServlet.java:30) javax.servlet.http.HttpServlet.service(HttpServlet.java:727) ...

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Wrong implementation of the position predicate.
by Tayena Hendrickx 24 Feb '12

24 Feb '12

Dear Basex-team members, I'm a PHD-researcher at the University of Antwerp. For one of the courses I assist we are planning to use BaseX in order to learn students the concepts of Xpath and XQuery. We find that the tool is a good way to illustrate things but I found an error. In attachment I've put the XML file I was testing. It's about students, and it's a very small example file. After importing this file, I want to execute the following XPath expression: /child::students/child::student/child::*/ancestor::* This works well as it gives me all the ancestors namely both 'Student' elements and the 'Students' element. But, when I add the following predicate (see bold part in the expression below) it goes wrong: /child::students/child::student/child::*/ancestor::*[position()=1] What should happen according the XPath rules is: give back the first ancestor. Now, the result of 'ancestor::* is (in reverse document order) the right Student element , the left Student element, Students element The second of this is the left student element. But when you execute this, the result that I get are the TWO student elements, with is wrong. If we change the position to 2, I get the StudentS element, which is also wrong. Is it possible to solve this problem? Further I also have some thought about making the GUI better. It should be good to make a distinction between element nodes, attribute nodes and text nodes in the visual presentation of the XML tree. That makes things much clear for users. If you have further questions regarding this mail, please send them and I'll answer as soon as possible. Thanks in advance! Kind regards, -- Tayena Hendrickx Member of the Research Group Advanced Database Research and Modelling (ADReM) University of Antwerp (UA) Department of Mathematics and Computer Science Campus Middelheim (CMI), Building G, Office G2.33

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importing library with alternative namespace
by Jan Vlčinský (CAD) 24 Feb '12

24 Feb '12

Hi I am really happy to see an option to import xquery library - it shall let me organize my code much better. When testing sample from wiki: http://docs.basex.org/wiki/Packaging I tried to modify proposed instruction: import module namespace functx="http://www.functx.com"; into this, using alternative namespace: import module namespace functxyz="http://www.functx.com"; The import worked well, but when calling functxyz:capitalize-first("test") I got result: Error: [FONS0004] No namespace declared for prefix 'functx'. Questions: Is this ok, that I am forced to use assigned namespace, or is this just some bug in the library I have teested? Or bug in BaseX? With best regards Jan *Ing. Jan Vlčinský* TamTam Research s.r.o. Slunečnicová 338/3, 734 01 Karviná Ráj, Czech Republic tel: +420-597 602 024; mob: +420-608 979 040 skype: janvlcinsky; GoogleTalk: jan.vlcinsky(a)gmail.com http://cz.linkedin.com/in/vlcinsky

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Announcing Nxdb - A .NET Binding for BaseX Focused On Embedded XML Databases
by Dave Glick 23 Feb '12

23 Feb '12

Hi all, I'd like to announce Nxdb, a pure .NET binding for BaseX that is focused primarily on using BaseX as an embedded XML database. It can run under Mono and does not require any Java or JVM support. It is the culmination of several years of work with BaseX on the .NET platform in multiple commercial projects. It introduces an entirely new API focused on direct database node manipulation as well as several other features intended to make the embedded database use case easier. The project portal is here: https://dracorp.assembla.com/spaces/nxdb Please feel free to give it a try and let me know what you think. I'm still working out the best way to document, distribute, etc. so suggestions in that area would be helpful as well. I'm also very interested in ideas on what should be added or improved next. Thanks, Dave

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SQL module in 7.1.1
by Mike Cobo 23 Feb '12

23 Feb '12

Hi, I just installed the new version 7.1.1 and it doesn't recognize the SQL functions. The error is: "Unknown function sql:init()" on the BaseX GUI. With the older version I didn't get this error. Do I need to install a package now in order to use the SQL functions now? Regards, Mike

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Load files to database
by Anh Thuấn 23 Feb '12

23 Feb '12

Hi, baseX team. I have some problems of loading xml files into the database of BaseX. I am comparing the time to load xml files into database, there are 2 ways to load: Loading all the folder into the database and Loading each file into the database. The time to load all the folder and the time to load each file have a big difference. The time to load all the folder into the datebase is 84ms, whereas the time to load each file into the database is 912 ms. I have written the 2 ways to load in C#. The following code is to load all the folder into the datebase: private void CreateDBAndLoadDirectory(string directoryPath) { this.contextDirectory = new Context(); this.serverDirectory = new org.basex.BaseXServer(this.contextDirectory); Set.execute("createfilter", "*" + this.fileExtension, this.contextDirectory); Set.execute("CACHEQUERY", true, this.contextDirectory); Set.execute("SERIALIZE", false, this.contextDirectory); Set.execute("CHOP", true, this.contextDirectory); Set.execute("DBPATH", this.dbPath, this.contextDirectory); new CreateDB(this.dbDirectory, directoryPath).execute(this.contextDirectory); } And the following code is to load each file into the database: private void CreateDBAndLoadFiles(string directoryPath) { this.contextFile = new Context(); this.serverFile = new org.basex.BaseXServer(this.contextFile); Set.execute("CACHEQUERY", true, this.contextFile); Set.execute("SERIALIZE", false, this.contextFile); Set.execute("CHOP", true, this.contextFile); Set.execute("DBPATH", this.dbPath, this.contextFile); new CreateDB(this.dbFile).execute(this.contextFile); string[] fileList = Directory.GetFiles(directoryPath, "*" + this.fileExtension,SearchOption.AllDirectories); foreach (string fileName in fileList) { string path = fileName.Substring(this.otxPath.Length + 1); new Add(path, fileName).execute(this.contextFile); new Optimize().execute(this.contextFile); } } I don't know if I have made mistakes in these codes or not? I want to ask about the fastest way to load each file into the database.

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can output HTML but not read it back in again?
by jidanni＠jidanni.org 22 Feb '12

22 Feb '12

Is it true that basex can output HTML, http://docs.basex.org/wiki/Serialization but not read it back in? http://docs.basex.org/wiki/Parsers

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Re: [basex-talk] GUI stops displaying results when query is too large
by Andy Bunce 22 Feb '12

22 Feb '12

I have seen something similar, maybe it is your case: If I have a database open and I have an updating query in the editor or just referenced from an import module then when I execute the result is displayed for a moment then immediately replaced by the open db display. e.g. import module namespace state="apb.state"; (: this has an update function :) 2 My workaround is just to work with no open db. /Andy > > When the size of the submitted query gets too large, GUI functionality > stops working: Results stop being highlighted in the tree or displayed in > the "text" window (which instead always displays the entire document). I > can run the exact same XQuery file through basexclient or a REST query > and everything works perfectly, so this appears to be strictly a GUI > concern. > >

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7.1.1 - GUI stops displaying results when query is too large
by Charles Duffy 21 Feb '12

21 Feb '12

Howdy -- I've been working on an XQuery function library in the GUI editor (which is great!), and putting actual queries in the bottom. This library has been growing in size (currently about 16K), and therein lies the problem: When the size of the submitted query gets too large, GUI functionality stops working: Results stop being highlighted in the tree or displayed in the "text" window (which instead always displays the entire document). I can run the exact same XQuery file through basexclient or a REST query and everything works perfectly, so this appears to be strictly a GUI concern. If I move enough text to the clipboard, or comment out part of the buffer, everything works perfectly again.

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Marking up util:time output
by Charles Duffy 21 Feb '12

21 Feb '12

Howdy -- If I'm running a query which includes a number of util:time calls against different data, how can I know which one is doing what given that execution order is undefined? Is there another function I can use to emit an arbitrary value to the "info view"? If not, an optional parameter providing a string to tag profiling times with would be convenient. Thanks!

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Re: [basex-talk] eclipse integration
by Lukas Kircher 21 Feb '12

21 Feb '12

sorry, can't see any mistake here ... What about the others, any suggestions? On Mon, Feb 20, 2012 at 2:48 PM, Seenivasan Gunabalan < seenivasan.gunabalan(a)dedalus.eu> wrote: > On 02/20/2012 01:27 PM, Lukas Kircher wrote: > > Hi, > > just followed the steps in the documentation and for me it works fine. > > Maybe you missed point nr. 5 for the standalone version? > > *5. Choose "org.basex.BaseX" as "Main class"* > * > * > ? > > Nice day, > Lukas > > > Thanks for your reply Lukas. > > I did that step too. I also attached my eclipse settings as screenshot. I > am using > Eclipse Indigo on Ubuntu 11.10 with OpenJDK 7.0. I dono where i am going > wrong. > > Thanks, > Nivas > >

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