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

URN as library module namespace
by Carl Leitner 26 Jun '14

26 Jun '14

Hi, I am trying to do a “REPO INSTALL” a library module which has a namespace which is an URN, urn:ihe:iti:csd:2013, but am receiving the error: [bxerr:BXRE0002] Namespace URI is invalid: 'urn:ihe:iti:csd:2013'. I noticed that URNs are not discussed here: http://docs.basex.org/wiki/Repository#URI_Rewriting Taking a look here: http://www.w3.org/TR/2014/REC-xquery-30-20140408/#doc-xquery30-ModuleDecl I don’t see anywhere where URNs are explicitly disallowed. Any suggestions would be appreciated. Cheers, -carl

3 2

StaticFunc expression: no updating expression allowed with db:add()
by Daum, Simon 26 Jun '14

26 Jun '14

Hi Arve - that solves my problem! Thanks a lot Regards Simon -----Ursprüngliche Nachricht----- Von: Arve Gengelbach [mailto:ag@basex.org] Gesendet: Mittwoch, 25. Juni 2014 22:42 An: Daum, Simon Cc: basex-talk(a)mailman.uni-konstanz.de Betreff: Re: [basex-talk] StaticFunc expression: no updating expression allowed with db:add() Hi, How about adding a %updating to the function's annotation: declare %updating function cmd:adToDb(...) {...} Hope this helps, Arve On 25 Jun 2014, at 20:30, Daum, Simon <simon.daum(a)tum.de> wrote: > Hi there, > > I have a question about the db:add() function if it is included in a xquery function which is installed as module in the repo. > > As I set up this function in a module > > declare function cms:addToDb($dbName as xs:string, > $rootNodeAndFileName as xs:string, $content) { > db:add($dbName, concat('<',$rootNodeAndFileName, '>', > $content ,'</',$rootNodeAndFileName, '>'), > concat($rootNodeAndFileName, ".xml")) }; > > > And call it from the GUI app I get: > [XUST0001] StaticFunc expression: no updating expression allowed. > > The error code say something about granting permissions but also states that "Permissions are only relevant in the client/server architecture: the Standalone Mode and the GUI is run with admin permissions." > Any tip from the BaseX'ers? > > Regards Simon > > > - - - - - - - - - > > Dipl.-Ing. Simon Daum > Lehrstuhl für Computergestützte Modellierung und Simulation Technische > Universität München Arcisstraße 21 > D-80290 München > > Tel: +49 89 289 25065 > Fax: +49 89 289 25051 > Web: www.cms.bv.tum.de > > - - - - - - - - -

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Error XUST0001 for fold-left ?
by Maximilian Gärber 26 Jun '14

26 Jun '14

Hi, I just tried a previously (7.8-Snapshot) working application with 8.0-Snapshot and got: Stopped at /intersect-nodes.xqm, 22/13: [XUST0001] fn:fold-left(items,zero,function): all expressions must be updating or return an empty sequence. but there are no updates applied in this function (or ones calling this function): declare %public function _:intersect( $map as map(*)) as node()* { fold-left( map:keys($map), $_:ALL, function($s1, $key as item()*) { let $s2 := $map($key), $a1 := _:all($s1), $a2 := _:all($s2) return if($a1) then if($a2) then $_:ALL else $s2 else if($a2) then $s1 else $s1 intersect $s2 } ) Any ideas? Regards, Max

2 4

StaticFunc expression: no updating expression allowed with db:add()
by Daum, Simon 25 Jun '14

25 Jun '14

Hi there, I have a question about the db:add() function if it is included in a xquery function which is installed as module in the repo. As I set up this function in a module declare function cms:addToDb($dbName as xs:string, $rootNodeAndFileName as xs:string, $content) { db:add($dbName, concat('<',$rootNodeAndFileName, '>', $content ,'</',$rootNodeAndFileName, '>'), concat($rootNodeAndFileName, ".xml")) }; And call it from the GUI app I get: [XUST0001] StaticFunc expression: no updating expression allowed. The error code say something about granting permissions but also states that "Permissions are only relevant in the client/server architecture: the Standalone Mode<http://docs.basex.org/wiki/Standalone_Mode> and the GUI<http://docs.basex.org/wiki/GUI> is run with admin permissions." Any tip from the BaseX'ers? Regards Simon - - - - - - - - - Dipl.-Ing. Simon Daum Lehrstuhl für Computergestützte Modellierung und Simulation Technische Universität München Arcisstraße 21 D-80290 München Tel: +49 89 289 25065 Fax: +49 89 289 25051 Web: www.cms.bv.tum.de<http://www.cms.bv.tum.de> - - - - - - - - -

2 1

Running and accessing BaseX on OpenShift
by P.C. 24 Jun '14

24 Jun '14

Hello, I'm trying to use BaseX on the OpenShift PaaS. My setup: First, I have set up an application in Openshift. This application has a Tomcat 7 (JBoss EWS 2.0) cartridge. I deploy Web applications to it by sending the WAR with an SFTP client. I would like to start a BaseX server so that the servlets in this application can use it as clients. Then, I have successfully created a DIY (Do It Yourself) application by following the instructions outlined here: https://github.com/Quodatum/openshift-basex-quick-start Now, the BaseX server is running in my DIY gear, and I know it is working because I'm able to log into the gear via SSH, running BaseXClient via the remote console and connecting with the BaseX server. My question is, how do I connect to this server from my Tomcat application?

2 1

strip namespaces
by Daum, Simon 24 Jun '14

24 Jun '14

Hi there, is there possibility to strip xml namespaces during input via the c# client api. In the GUI there is a checkbox "strip namespaces" in the "new database" panel. I want to use this in a command like this: session.Execute(@"create db xObermayer E:\Dev\BaseX\04_Obermeyer.xml"); so I dont have to use the namespace stuff like in this query: var result = session.Execute("XQUERY declare namespace exp=\"urn:oid:1.0.10303.28.2.1.1\" ; declare namespace" + " doc=\"urn:oid:1.0.10303.28.2.1.3\"; declare namespace ifc=\"http://www.iai-tech.org/ifcXML/IFC2x2/FINAL\";" + " for $x in /doc:iso_10303_28/*/ifc:IfcRelContainedInSpatialStructure return $x"); Regards Simon - - - - - - - - - Dipl.-Ing. Simon Daum Lehrstuhl für Computergestützte Modellierung und Simulation Technische Universität München Arcisstraße 21 D-80290 München Tel: +49 89 289 25065 Fax: +49 89 289 25051 Web: www.cms.bv.tum.de<http://www.cms.bv.tum.de> - - - - - - - - -

2 1

Delivery reports about your e-mail
by mbigge＠hvc.rr.com 20 Jun '14

20 Jun '14

1 0

Mail System Error - Returned Mail
by youtubeer＠youtuber.com 20 Jun '14

20 Jun '14

Your message was not delivered due to the following reason(s): Your message could not be delivered because the destination server was unreachable within the allowed queue period. The amount of time a message is queued before it is returned depends on local configura- tion parameters. Most likely there is a network problem that prevented delivery, but it is also possible that the computer is turned off, or does not have a mail system running right now. Your message was not delivered within 8 days: Host 139.201.80.56 is not responding. The following recipients did not receive this message: <basex-talk(a)mailman.uni-konstanz.de> Please reply to postmaster(a)youtuber.com if you feel this message to be in error.

1 0

Returned mail: Data format error
by The Post Office 20 Jun '14

20 Jun '14

This message was not delivered due to the following reason: Your message could not be delivered because the destination computer was unreachable within the allowed queue period. The amount of time a message is queued before it is returned depends on local configura- tion parameters. Most likely there is a network problem that prevented delivery, but it is also possible that the computer is turned off, or does not have a mail system running right now. Your message could not be delivered within 8 days: Host 90.79.153.238 is not responding. The following recipients did not receive this message: <basex-talk(a)mailman.uni-konstanz.de> Please reply to postmaster(a)mailman.uni-konstanz.de if you feel this message to be in error.

1 0

Big XML file
by Erol Akarsu 19 Jun '14

19 Jun '14

I have about 9G xml file and like to process with basex. But I am getting out of memory erroe (with setting -Xmx7G). Yesterday, I was able to process like this where $rawProductsFile is the name of big xml file. XML file consists of "Products" elements and process them one by one and write result into a file. But today, it is out of memory exception. let $res := for $doc in fn:doc($rawProductsFile)//Products let $list:= for $tname in $tables let $rows := ($doc[fn:name() eq $tname]|$doc//table[@name eq $tname]) let $list2 := local:processOneProd ($tname,$rows,$tableMap) let $fw := file:append(fn:concat($tablesFolder,$tname,".xml"),$list2) return $fw return $list Which way is good to process large xml file like this, process each element one be one? I appreciate your help Erol Akarsu

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Einzigartige Rezepte, die Körperfett schmelzen lassen
by Marie Koertig 19 Jun '14

19 Jun '14

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by 船公司 18 Jun '14

18 Jun '14

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Re: [basex-talk] How to run several commands in one post
by Christian Grün 18 Jun '14

18 Jun '14

Hi Arjan (cc to the list), >> But then it is also not possible to start-up some existing server side script that way? I've added another idea to the reopened GitHub issue [1]: we could extend the "run" operation [2] to also support command scripts. Christian [1] https://github.com/BaseXdb/basex/issues/559 [2] http://docs.basex.org/wiki/REST#Operations

1 1

Difference in query behavior between BaseX 7.7 beta and BaseX 7.8.2
by Srinivasan Muthu 17 Jun '14

17 Jun '14

We have been using BaseX 7.7 beta for a while and recently we switched to 7.8.2 and found two queries failed with the existing unit tests. After research, we found that the query is now getting compiled into a different optimized query (from 7.7) and results in evaluating a variable, even if that variable will never be used, as it is inside an IF condition for particular input. Here is the query: ------------------------------------------------------------------ declare function local:addPrefix($arg as element()?){ concat("prefix-", $arg) }; let $a := <a> 1 2 3 </a> let $prefixed-data:= <ele>{local:addPrefix($a/b)}</ele> return if (exists($a/c)) then ( $prefixed-data ) else ( 'no input data' ) ------------------------------------------------------------------ In BaseX 7.7beta the output is 'no input data' which is correct. Here $prefixed-data does not get evaluated in BaseX 7.7 beta, as exists($a/c) is FALSE. The optimized query in GUI also shows '$prefixed-data' variable removed. Here is the optimized query in BaseX 7.7 beta: *Compiling:* - rewriting for tail calls: Q{ http://www.w3.org/2005/xquery-local-functions}addPrefix - rewriting fn:exists($a/c) - inlining let $prefixed-data := element ele { (local:addPrefix($a/b)) } - removing variable $prefixed-data *Optimized Query: * declare function local:addPrefix($arg as element()?) { fn:concat("prefix-", $arg) }; let $a := element a { (element b { ("1") }, element b { ("2") }, element b { ("3") }) } return if($a/c) then element ele { (local:addPrefix($a/b)) } else "no input data" ------------------------------------------------------------------ In BaseX 7.8.2 the query throws an error. In 7.8.2, $prefixed-data gets evaluated even though the 'IF" condition is FALSE. See optimized query from GUI here: *Error:* Stopped at C:/source/perforce/PSODepot/health-analyzer/ha-rel504/libs/catalog/src/main/resources/analysis/vsphere/6.5/CO-001/file3, 1/18: [XPTY0004] Cannot treat item() sequence as element()?: (..., ..., ...). Compiling: - inlining Q{http://www.w3.org/2005/xquery-local-functions}addPrefix#1 - inlining let $arg_3 as element()? := $a_1/b - simplifying flwor expression - rewriting fn:exists($a_1/c) *Query:* declare function local:addPrefix($arg as element()?){ concat("prefix-", $arg) }; let $a := <a> 1 2 3 </a> let $prefixed-data:= <ele>{local:addPrefix($a/b)}</ele> return if (exists($a/c)) then ( $prefixed-data ) else ( 'no input data' ) *Optimized Query:* let $a_1 := element a { (element b { ("1") }, element b { ("2") }, element b { ("3") }) } let $prefixed-data_2 := element ele { (fn:concat("prefix-", ((: element()?, true :) $a_1/b))) } return if($a_1/c) then $prefixed-data_2 else "no input data" Query plan: <QueryPlan> <GFLWOR> <Let> <Var name="$a" id="1"/> <CElem> <QNm value="a" type="xs:QName"/> <CElem> <QNm value="b" type="xs:QName"/> <Str value="1" type="xs:string"/> </CElem> <CElem> <QNm value="b" type="xs:QName"/> <Str value="2" type="xs:string"/> </CElem> <CElem> <QNm value="b" type="xs:QName"/> <Str value="3" type="xs:string"/> </CElem> </CElem> </Let> <Let> <Var name="$prefixed-data" id="2"/> <CElem> <QNm value="ele" type="xs:QName"/> <FNStr name="concat(atom1,atom2[,...])"> <Str value="prefix-" type="xs:string"/> <TypeCheck type="element()?" function="true"> <IterPath> <VarRef> <Var name="$a" id="1"/> </VarRef> <IterStep axis="child" test="b"/> </IterPath> </TypeCheck> </FNStr> </CElem> </Let> <If> <IterPath> <VarRef> <Var name="$a" id="1"/> </VarRef> <IterStep axis="child" test="c"/> </IterPath> <VarRef> <Var name="$prefixed-data" id="2"/> </VarRef> <Str value="no input data" type="xs:string"/> </If> </GFLWOR> </QueryPlan> ------------------------------------------------------------------ We wanted to make sure that this is due to the way queries are executed differently now in BaseX 7.8.2 and not a bug in BaseX 7.8.2. Removing the unused variable makes sense for optimization purposes, so it looks like 7.7 was doing the right thing. Can you confirm please? Thanks, Srini

3 5

Die Wahrheit über Diabetes
by Karolin Hertzog 17 Jun '14

17 Jun '14

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1 0

RESTXQ declare base-uri ".";
by Andy Bunce 16 Jun '14

16 Jun '14

Hi, It seems that in restxq mode relative paths for *declare base-uri* are resolved differently [1]. If I have -webapp --folder1 ---mod1.xqm (which has import module namespace xm='test' at 'mod2.xqm';) ---mod2.xqm The import works. If I add declare base-uri "."; to mod1. the import fails, running the same code not via restxq and it works. Is this intended behavior? /Andy [1] http://www.w3.org/TR/2014/REC-xquery-30-20140408/#id-base-uri-decl

2 7

Basex 404
by Lars Johnsen 16 Jun '14

16 Jun '14

I've recently run into a problem with basexserver/basexhttp. The host:8984 responds but seems to have lost contact with the webapp directory. Here is what is happening on 3 out of 5 installations (on linux - installed by unpacking the latest ziparchive), where one used to work as expected: 1) host:8984 do not display the restxq example, but is up and running 2) host:8984/rest shows the list of databases 3) host:8984/rest/run=script-name.xq gives 404 - no function matches request So the server appears to be connected to the database, but won't look at the webapp directory. Where is the best place to look for information? All the best, Lars

2 1

Strategies for "checkout" or explicit file locking
by Alister Pillow 16 Jun '14

16 Jun '14

Hi all, BaseX doesn’t appear to have explicit document-level access control (ownership and permissions). I understand that Write and Read locks are applied during queries - but these are not explicit and only apply during the course of the query. I wonder what strategies other people use to lock a file for “editing”, or “checkout” a file so that only a single user has access (in a multi-user environment). Does anyone manage more than a few users within one instance of BaseX? (e.g. more than 10) Thanks, Alister.

2 1

Multiple basex webapps in same Tomcat
by Marco Lettere 16 Jun '14

16 Jun '14

Hello all, in one of our use cases we have two basex (7.8.1) that run as standalone servers. They act mainly as service wrappers so we mainly use restxq and http client. Only one has a very limited access to the DB functionality. The pattern is that one of the two is called from a tomcat webapp installed on the same machine. It then calls the second which in turn calls another service on a different machine. All of the calls are HTTP. Anyway we have been asked to condense the installation into the same tomcat. I've been trying that but when I install multiple basex webapps I get strange conflicts in the RESTXQ engine. I was able to reproduce the issue just by exploding two wars (named bx1.war and bx2.war) into the tomcat. Then I've altered the "hello/{$world}" annotated example in restxq.xqm to return "hello world 1" and "Hello world 2". At that point whatever context I use in the browser (either bx1 or bx2) I always get "Hello world 2" as a return. I've tried changing the namespace of the module of restxq.xqm and also changing the servlet context for RESTXQ in bx2 but nothing changes. Could you provide me some hints on this? Thanks, Marco.

2 2

Efficiently using BaseX and JAXB
by Zachary DeLuca 10 Jun '14

10 Jun '14

Hello, I have a question about unmarshaling a query result into JAXB object(s). My database collection contains documents that all contain the same type of root element, let's call it Element1. Originally I was doing something like this (I know it's silly but it worked just fine for small data sets): String CLOSING_TAG = "</Element1>"; Context context = ... Unmarshaller um = ... String predicate1 = ... String predicate2 = ... String query = "//Element1[" + predicate1 + " and " + predicate2 + "]"; String result = new XQuery(query).execute(context); if (result != null && !result.isEmpty()) { ArrayList<Element1> elements = new ArrayList<>(); int index = -1; int beginIndex = 0; while ((index = result.indexOf(CLOSING_TAG, beginIndex)) != -1) { int endIndex = index + CLOSING_TAG.length(); String element1 = result.substring(beginIndex, endIndex); beginIndex = endIndex + 1; elements.add(((Element1) um.unmarshal(new ByteArrayInputStream(element1.getBytes())))); } // do something with the elements } But when I got into larger data sets (my DB collection is currently approx. 1GB total size and has just over 20k documents) this started to fail apparently due to trying to convert the entire result to a string at one time (out of memory error, despite setting -Xmx16384m). So I dig through the examples to find a better way and changed my code to this: ByteArrayOutputStream baos = new ByteArrayOutputStream(); Iter iter = null; Serializer ser = null; QueryProcessor proc = new QueryProcessor(query, context); iter = proc.iter(); ser = proc.getSerializer(baos); proc.close(); if (iter != null && ser != null) { ArrayList<Element1> elements = new ArrayList<>(); for(Item item; (item = iter.next()) != null;) { baos.reset(); ser.serialize(item); elements.add(((Element1) um.unmarshal(new ByteArrayInputStream(baos.toByteArray())))); } ser.close(); // do something with the elements } This appears to work fine but I am just wondering if there is a better/faster way to do it? At first glance, serializing to a ByteArrayOutputSream only to then turn around and use a ByteArrayInputStream to unmarshal with JAXB seems wasteful. Thanks for taking the time to read, Zach

2 4

BaseX Design
by Vaibhav Khare 07 Jun '14

07 Jun '14

Hi, I have a requirement to build XML repository where I will store millions of XML documents (size may vary) based on some unique Ids (one level path like - \10). For another operation, I need to compare the incoming XML document with the stored XML document for any changes. 1. Can any of you please let me know on how to implement this in BaseX? Apart from inserting the XMLs and comparing them with the incoming XML, there is no other query required. 2. Performance is the major criteria for this. Do you think BaseX will be able to handle this as the repository size grows? Also, is there a way to do batch processing of the above operations to improve performance? Thanks in advance, ~ VK

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Wie ich meinen Tinnitus kuriert habe
by Jessica Neustadt 06 Jun '14

06 Jun '14

To stop receiving these emails:http://mail0.tinnitusdoktor.me/unsubscribe.php?M=76094&C=08a2923af15af1ad713ec0788079def3&L=1&N=2 Hallo, Falls Sie oder jemand Ihrer Lieben an Tinnitus leidet, dann ist dies das wichtigste Schreiben, das Sie jemals gelesen werde. Wissen Sie, was die Ursachen für Tinnitus sind? Dieser GRATIS-Artikel wird Sie darüber aufklären: http://www.tinnitusdoktor.me Wachen Sie manchmal mitten in der Nacht auf und hören komische Geräusche? Ja, das kann wirklich angsteinflößend sein, vor allem, wenn Sie nicht wissen, wo diese Geräusche herkommen. Klicken Sie hier, um den Artikel zu lesen und herauszufinden, wie Sie Tinnitus kurieren können: http://www.tinnitusdoktor.me Mit freundlichen Grüßen, Christine Weiss

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BaseX 7.8.2: The Spring Edition
by Christian Grün 05 Jun '14

05 Jun '14

Dear subscribers, today we are please to provide you with BaseX 7.8.2, the Spring Edition! This is what you can expect (find more details in our changelog): * GUI Editor: Efficiently sort large texts (Ctrl-U) * Storage, Updates: Faster processing of documents with namespaces * Database Module: alter, copy, create-backup, drop-backup, restore * Admin Module: new merge option, existing functions revised * XQuery Module: new evaluation options (memory, timeout, permissions) * XQuery: always show full stack trace (enforce it with INLINELIMIT=0) * XQuery Ester egg: calculating partial sums (little Gauss) * Client/Server architecture: reduce waiting time if password is wrong We invite you to get the latest version via http://basex.org, and we are interested in your feedback, Christian BaseX Team

3 5

mainmem bug?
by Marc 04 Jun '14

04 Jun '14

Hi, I try to use the mainmem flag because I use a temporally base to do some specific treatments and extract it after. But when I create the database it isn't! the easy script : --------------------- set mainmem true create db test list open test ------------------- the result : ------------------ MAINMEM: true Database 'test' created in 0.08 ms. name Resources Size Input Path --------------------------------------------------- baseCo 2 3742851 FichiersBase 5958 5357259729 FichiersBaseTest 5958 5205620197 3 database(s). Database 'test' was not found. -------------------- the infos : -------------- General Information: Version: 7.8 Used Memory: 1994 KB The main memory database doesn't exist anymore? Marc

3 5

Erfahren Sie die schockierende Wahrheit über Hefepilzinfektionen
by Claudia Kuster 03 Jun '14

03 Jun '14

To stop receiving these emails:http://mail0.pilzcandida.me/unsubscribe.php?M=189029&C=08a2923af15af1ad713ec0788079def3&L=1&N=2 Hallo, Machen Sie sich selbst schlau zum Thema Candida-Infektionen. Dies ist der erste und wichtigste Schritt zur Heilung dieser schmerzhaften, äußerst lästigen und relativ gefährlichen chronischen Erkrankung. Übernehmen Sie selbst die Verantwortung für Ihre Gesundheit und Ihr Wohlergehen. Das Problem ist, dass ein Großteil der an einer Hefepilzinfektion leidenden Personen sich dafür entscheidet, es anderen zu überlassen , sich darum zu kümmern: Ärzte, Apotheker, Medikamente und rezeptfreie Arzneimittel. Ganz bewusst entscheiden sie sich dafür, für ihre Candida-Infektion, ihre eigene Gesundheit und ihren Körper KEINERLEI Verantwortung zu übernehmen. Klicken Sie hier und lesen Sie mehr dazu: http://www.pilzcandida.me Um TATSACHEN herauszufinden, wie Sie Ihre Hefepilzinfektion tatsächlich und dauerhaft, sozusagen mit der Wurzel und zu 100 % auf natürliche Weise beseitigen können und eine NACHHALTIGE Befreiung von mit Candida verbunden Symptomen erlangen, ohne dafür Ihr schwer verdientes Geld für frei verkäufliche Arzneimittel ausgeben zu müssen... Klicken Sie hier und erfahren Sie mehr: http://www.pilzcandida.me mit freundlichen Grüßen, Christin Strauss

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