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

Re: [basex-talk] Bugs von Standardnamespace!
by Lukas Kircher 10 Aug '10

10 Aug '10

> Ich verwende die CSharp API (die von JKVM konvertierte Java API), um > auf die Basex-DB zuzugreifen. Zwei folgende Antwort habe ich: > > - Muss ich immer den Befehl "declare namespace > ns="http://iso.org/OTX"" bei jedem Query wiederholen, oder kann ich > einmal beim Anlegen der neuen Datenbank festlegen? > > - Gibt es die Möglichkeit, die XQuery-Abfragen im Programm > vorzukompilieren? Die Kompilierung kostet Zeit. In XQuery gibt es das Konzept einer Prepared Expression. Unter unseren Examples im Repository findest du Beispiele dazu, ebenso auf unserer Webseite [1] . Ich hoffe das hilft dir - melde dich ansonsten einfach nochmal Gruesse, Lukas [1] http://www.inf.uni-konstanz.de/dbis/basex/code/XQJQuery

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Bugs von Standardnamespace!
by ngtruongan＠gmail.com 10 Aug '10

10 Aug '10

Wenn der Standardnamespace in einem Element sich befindet, funktioniert XQuery nicht mehr. Folgenden ist mein Testdata: <?xml version="1.0" encoding="UTF-8" ?> <doc xmlns="http://iso.org/OTX" > <a>foo bar</a> <a>foa bar</a> </doc> Die Abfrage ist einfach: basex:db('db')//a. Wir brauchen Basex sehr dringend für unseren OTX-Api. Es wäre wunderbar, wenn dieser Bug schnell behoben sind. Vielen Dank voraus. Mit freundlichen Grüßen Truong-An Nguyen

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Data limit?
by judith.risse＠wur.nl 09 Aug '10

09 Aug '10

Hello, I'm trying to load a large dataset (Medline, 16.7 million records, 66Gb data on disk) into BaseX. The input data is divided into 563 files of 30000 records each. When I try to load the data into a database with the following command: create db path/dir medline_full I get the following error message: Error: "medline08n0507.xml" (Line 2620386): Document is too large for being processed. The document itself can be loaded into a seperate database without problems and I also managed to load a merged file containing 1 million records, so the file size itself seems not to be the problem. I used the gui implementation running on a quadcore server with SuSe 10.2 64bit and 8Gb of memory, although the java version is 32bit 1.6.0_18 Therefore my question, does BaseX have a datalimit, either on file-, record- or nodelevel? Or are there hardware limitiations that could result in such an error message? With kind regards Judith

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Grundverständnis baseX
by Dieter Zanzinger 04 Aug '10

04 Aug '10

Ich hätte ein paar grundsätzliche Fragen zu baseX. Bitte entschuldigt, dass einige Fragen Euch vielleicht etwas simpel erscheinen. Mein Hintergrund: Mac- und Win-Nutzer, programmiere fürs iPhone in Objective C bzw. C, XML, XPath, XSL, fulltext-retrieval und Sql sagen mir was, java nur Grundwissen. Wenn ich die Doku richtig verstanden habe, ist baseX eine server-xml-fulltext-"datenbank" bzw. engine. Das Image, das ich für den Mac heruntergeladen habe, ist wohl nur ein Client ? Kann man baseX auch ohne Client-Server verwenden ? Meine Überlegung wäre, es in ein iPhone-Projekt als Datenspeicher einzubauen. Gibt es baseX sozusagen als Bibliothek? C oder - wohl- Java? Gibt es Erfahrungen, welchen Resourcenverbrauch baseX hat - mit anderen Worten: besteht eine Chance, dass es auf dem iPhone läuft ? mfg dieter

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serialization options with jax-rx
by Maximilian Gärber 02 Aug '10

02 Aug '10

Hi all, I am doing some tests with the jax-rx api - using static html files and a little jquery. I placed the html file in the \basex-api\etc directory and wanted to use the run command to let jetty deliver the html document: http://localhost:8984/basex/jax-rx?run=QueryTest.html&wrap=no&output=media-… The deliverd file will always be text/plain, however. Is there anything I am missing, or will the media-type option currently not affect the response Content-Type? Regards, Max For completeness, this is the ajax call: var data1 = '<query xmlns="http://jax-rx.sourceforge.net"><text>for $f in //file return $f/type</text><parameter name="count" value="5"/><parameter name="wrap" value="yes"/></query>'; var url1 = "http://localhost:8984/basex/jax-rx/Applications"; $.ajax( { url: url1, data: data1, type: "POST", processData: false, contentType: "application/query+xml", timeout: 10000, dataType: "xml", error: function(){ alert('Error loading XML document'); }, success: function(xml){ //alert(xml); $(xml).find('type').each(function(){ var item_text = $(this).text(); $('<li></li>') .html(item_text) .appendTo('#list'); }); } } );

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Refer to a specific document in a BaseX DB using XQuery
by cosmotron+basex＠gmail.com 30 Jul '10

30 Jul '10

If I add two documents to a BaseX DB, let's say normal.xml and normal2.xml, is there a way to refer to each one individually? I know about the doc() function, but it looks at the filesystem for their location, rather than in the database itself. For instance, if I query with this: doc("normal.xml")/name , then I will get an error about normal.xml not being found. I also tried: basex:db("my-db-name")/doc("normal.xml")/name and received the same error. Thanks for any help!

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XML Schema validation
by reference＠gmx.net 29 Jul '10

29 Jul '10

Does anybody know if it possible to enable XML schema validation before store xml documents in the database? Thanks in advance!

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Re: [basex-talk] BaseX download problem
by Andreas Weiler 28 Jul '10

28 Jul '10

Hi Merve, no problem, have fun with BaseX. cheers, Andreas Merve Ayd?nl?lar schrieb: > I have restarted my firefox and now I'm able to download, interesting > thing is I have also tried wget, I must misspelled the link. Sorry for > bothering and thanks for quick reply. > Have a nice day. > > Merve > > > > On Wed, Jul 28, 2010 at 2:00 PM, Andreas Weiler > <andreas.weiler(a)uni-konstanz.de > <mailto:andreas.weiler@uni-konstanz.de>> wrote: > > Hi, > > i just tested it and it worked for me. > What browser, system etc. are you using? > > Kind regards, > Andreas > > maydinlilar7(a)gmail.com <mailto:maydinlilar7@gmail.com> schrieb: > > Hi, > I want to inform you that I can't download BaseX (BaseX61.jar) > from the links you have provided. It redirects me to > sourceforge.net <http://sourceforge.net> and gives the error: > /tmp/NicidWVk.jar.part could not be saved, because the source > file could not be read. > Same problem also exists for direct link option. > _______________________________________________ > BaseX-Talk mailing list > BaseX-Talk(a)mailman.uni-konstanz.de > <mailto:BaseX-Talk@mailman.uni-konstanz.de> > https://mailman.uni-konstanz.de/mailman/listinfo/basex-talk > > >

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BaseX download problem
by maydinlilar7＠gmail.com 28 Jul '10

28 Jul '10

Hi, I want to inform you that I can't download BaseX (BaseX61.jar) from the links you have provided. It redirects me to sourceforge.net and gives the error: /tmp/NicidWVk.jar.part could not be saved, because the source file could not be read. Same problem also exists for direct link option.

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NullPointerException in XQJ
by Godmar Back 27 Jul '10

27 Jul '10

Hi, before I prepare a self-contained test case, perhaps this description already rings a bell: I'm getting with the latest 6.2.2 this NPE: java.lang.NullPointerException at org.basex.query.up.primitives.UpdatePrimitive.addNode(UpdatePrimitive.java:193) at org.basex.query.up.primitives.UpdatePrimitive.addNode(UpdatePrimitive.java:214) at org.basex.query.up.primitives.UpdatePrimitive.buildDB(UpdatePrimitive.java:133) at org.basex.query.up.primitives.NodeCopy.prepare(NodeCopy.java:47) at org.basex.query.up.Primitives.check(Primitives.java:67) at org.basex.query.up.DBPrimitives.check(DBPrimitives.java:45) at org.basex.query.up.Updates.apply(Updates.java:102) at org.basex.query.QueryContext.iter(QueryContext.java:299) at org.basex.api.xqj.BXQDynamicContext.execute(BXQDynamicContext.java:266) at org.basex.api.xqj.BXQPreparedExpression.executeQuery(BXQPreparedExpression.java:55) This happens when I pass an actual DOM node to bindNode as argument 2. The error does not occur, and the query runs successfully, when I instead pass the node's ownerDocument. The node is the root of its document. Actual code: Works: xqp.bindNode(new QName("entry"), elem.getOwnerDocument(), null); Fails: xqp.bindNode(new QName("entry"), elem, null); Here, 'elem' is the root node of a document created via parseXml <http://top.cs.vt.edu/~gback/bx/b622/Test.java>from a string. It uses the JDK's DOM implementation. I note that in the second bug<http://top.cs.vt.edu/~gback/bx/b622/Test.java>we're discussing, BaseX also shows different behavior for nodes that are the root nodes of their respective documents when passed to bindNode. Which makes me wonder what the correct behavior is. It seems to me that passing a document or its root node to bindNode should result in the same behavior; correct? Thanks. - Godmar

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