BaseX-Talk

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1 participants
5252 discussions

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?

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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> - - - - - - - - -

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

20 Jun '14

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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.

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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.

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Big XML file
by Erol Akarsu 20 Jun '14

20 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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new booking 2014-06-18
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

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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

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