BaseX-Talk

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13 participants
5244 discussions

Re: [basex-talk] Nothing gets printed after insert node
by Anupam Bakshi 05 Jun '12

05 Jun '12

Hello Christian, Unfortunately I did not see how I can return the value into a variable for further processing. Is there some other way to do it? Thanks, Anupam

2 4

Connection Pool
by Henrique Oliveira 05 Jun '12

05 Jun '12

Hi guys, Anyway to create a connection pool using BaseX? p.s.: Just ignore it if there is a post about that -- Henrique Oliveira

1 0

Nothing gets printed after insert node
by Anupam Bakshi 05 Jun '12

05 Jun '12

Hello, My XQuery file looks like this : for $metric in doc("C:\sample1.xml")//metric return ( delete node $metric, insert node <NID>{string($metric)}</NID> into $metric/.. ) The sample1.xml contains "metric" elements. Yet when I execute the query noting gets printed out. Following is the Query Info which shows 6 Updates. But where are the updates happening? I must be doing something wrong, but can't figure it out. Thanks for your help, Anupam Query: for $metric in doc("C:\sample1.xml")//metric return ( delete node $metric, insert node <MET>{string($metric)}</MET> into $metric/.. ) Compiling: - pre-evaluating fn:doc("C:\sample1.xml") - optimizing descendant-or-self step(s) - converting descendant::*:metric to child steps Result: for $metric in document-node { "sample1.xml" }/*:plan/*:metric return (delete nodes $metric, insert node element { "MET" } { fn:string($metric) } into $metric/..) Timing: - Parsing: 0.84 ms - Compiling: 2.21 ms - Evaluating: 3.37 ms - Printing: 0.14 ms - Total Time: 6.57 ms Result: - Hit(s): 0 Items - Updated: 6 Items - Printed: 0 Bytes Query plan: <QueryPlan> <FLWR> <For var="$metric"> <IterPath> <DBNode name="ivst3_plan_3" pre="0"/> <IterStep axis="child" test="*:plan"/> <IterStep axis="child" test="*:metric"/> </IterPath> </For> <Return> <List> <Delete> <VarRef> <Var name="$metric" id="0"/> </VarRef> </Delete> <Insert> <AxisPath> <VarRef> <Var name="$metric" id="0"/> </VarRef> <IterStep axis="parent" test="node()"/> </AxisPath> <CElem> <QNm value="MET" type="xs:QName"/> <FNAcc name="string([item])"> <VarRef> <Var name="$metric" id="0"/> </VarRef> </FNAcc> </CElem> </Insert> </List> </Return> </FLWR> </QueryPlan>

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Apparant discrepancy in collection and db:list
by Anupam Bakshi 04 Jun '12

04 Jun '12

Hello all, Thanks for the wonderful support this group provides. Its great! With your help, I'm trying to make my way around the issues that I'm discovering, but unfortunately there still are some more issues. I noticed that collection() returns the nodes in the order in which they were added (which is good). However, db:list() returns them in alphabetical order. Any reason why that is the case? Can I somehow get the list of resources in the order in which they were added? Thanks, Anupam P.S. Jens, thanks for your suggestion, I'll try that if all else fails. Christian, I'll try the server feature in the latest source and send feedback a little later. Thanks for your help and suggestions.

2 5

Accessing basex from rest and from java api
by Henrique Oliveira 04 Jun '12

04 Jun '12

Hi All, Is possible to access BaseX from REST and Java API at the same time, same dbpath? I deployed BaseX.war in Jetty server, it is running on port 8080, I tried to connect using Java API without success. it seems is running on 1984 port too. INFO: General Information Version: 7.2.1 Used Memory: 2883 KB Main Options DBPATH: /private/var/folders/lb/_mgf_38n5nz05z_jbs3zkvbc0000gn/T/jetty-0.0.0.0-8080-BaseX721.war-_BaseX721-any-/webapp/data DEBUG: false EVENTPORT: 1985 HOST: localhost HTTPPATH: /private/var/folders/lb/_mgf_38n5nz05z_jbs3zkvbc0000gn/T/jetty-0.0.0.0-8080-BaseX721.war-_BaseX721-any-/webapp HTTPPORT: 8984 KEEPALIVE: 0 LANG: English LANGKEYS: false NONPROXYHOSTS: PARALLEL: 8 PORT: 1984 PROXYHOST: PROXYPORT: 80 REPOPATH: /private/var/folders/lb/_mgf_38n5nz05z_jbs3zkvbc0000gn/T/jetty-0.0.0.0-8080-BaseX721.war-_BaseX721-any-/webapp/repo SERVERHOST: SERVERPORT: 1984 STOPPORT: 8985 TIMEOUT: 0 Options ADDARCHIVES: true ADDRAW: false ATTRINDEX: true AUTOFLUSH: true BINDINGS: CACHEQUERY: false CASESENS: false CATFILE: CHOP: true COMPPLAN: true CREATEFILTER: *.xml DIACRITICS: false DOTCOMPACT: false DOTDISPLAY: true DOTPLAN: false DOTTY: dotty DTD: false EXPORTER: FORCECREATE: false FTINDEX: false HTMLOPT: html=false,omit-xml-declaration=false,method=xml,nons=false,nobogons=false,nodefaults=false,nocolons=false,norestart=false,ignorable=false,emptybogons=false,any=false,norootbogons=false,nocdata=false,lexical=false,encoding=utf-8 INTPARSE: true LANGUAGE: en LSERROR: 0 MAINMEM: false MAXCATS: 100 MAXHITS: -1 MAXLEN: 96 MAXSTAT: 30 PARSER: xml PARSEROPT: encoding=UTF-8,flat=false,format=verbose,header=false,jsonml=false,lines=true,separator=comma PATHINDEX: true QUERYINFO: false QUERYPATH: RUNS: 1 SCORING: 0 SERIALIZE: true SERIALIZER: SKIPCORRUPT: false STEMMING: false STOPWORDS: TAILCALLS: 42 TEXTINDEX: true UPDINDEX: false WILDCARDS: false WRITEBACK: false XMLPLAN: false XQUERY3: true -- Henrique Oliveira

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Re: [basex-talk] Deleting one of many resources at the same path (sorry for hoging the email distribution list)
by Anupam Bakshi 01 Jun '12

01 Jun '12

Hi Dimitar, Since collections are sequences, can I use [1] or [last()] to specify which one to delete? As per my requirement, I need to be able to delete older resources after some processing (data consolidation). Thanks for your help. Best regards, Anupam

4 4

How to retrieve same name resource
by Anupam Bakshi 01 Jun '12

01 Jun '12

Hello all, I have two resources at the same path in a database. XQUERY db:list("project1") Returns : resultset1.xml resultset1.xml The two resources have different contents. However, when I do the following, I get the XML content from the first file. XQUERY db:open("project1", "resultset1.xml") What is the way to get the second XML file? Thanks for your help. Anupam

2 4

Attribute indexing
by Alex Markin 01 Jun '12

01 Jun '12

Hello, BaseX team. I have a question about attribute indexing in basex. For example i have an xml file (in attachement). I execute the following sequence of commands: $ ./basex -Vc"SET ATTRINDEX true;SET UPDINDEX true;CREATE DB test" ATTRINDEX: ON UPDINDEX: ON Database 'test' created in 90.22 ms. $ ./basex -Vc"OPEN test;CREATE INDEX ATTRIBUTE;OPTIMIZE" Database 'test' was opened in 70.03 ms. Index 'ATTRIBUTE' created in 39.48 ms. Database 'test' was optimized in 31.14 ms. $ ./basex -Vq"index:attributes(\"test\")" <value count="70"> 0)(286, 1)[_ 4¦°䐪J'(*¤#(1, 1)</value> <value count="3">86, 1)[_ 4¦°䐪J'(*¤#(1, 1)(1, 12)-fi</value> <value count="1">/home/alex/tmp/erts/ntbuild.E</value> ... Out of Main Memory. There are no indices, given in first lines and some strange "Out of memory". What's wrong with this way of getting indices and how to fix it? Markin Alex

2 2

List of all resources in XQuery?
by Anupam Bakshi 31 May '12

31 May '12

Hello all, In XQuery I can use doc('resource_path') to open a resource from the baseX database but is there a way to list all available resources in the database? In other words, what is the equivalent of "LIST database_name" in XQuery? Thanks for your help. Anupam

2 2

Ask about the Context object!
by Truong An Nguyen 31 May '12

31 May '12

Hi, Can I use a Context object to create more than one database? For example: new CreateDB("db1","c:\db1").execute(this.Context); new CreateDB("db2","c:\db2").execute(this.Context); Thanks. Cheers, An

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