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

Re: [basex-talk] pearl pigments
by tony-zhao＠vip.188.com 22 Mar '14

22 Mar '14

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Traling empty nodes in csv:serialize
by Lars Johnsen 22 Mar '14

22 Mar '14

Hi all I have a question about csv:serialize and blank nodes. Trailing blanks are indicated with a separator, but those in the middle are. csv:serialize( <rows> <row> <f>1</f> <s>2</s> <t>3</t></row> <row> <f></f> <s></s> <t>3</t></row> <row> <f>1</f> <s></s> <t>3</t></row> <row> <f>1</f> <s></s> <t></t></row> <row> <f>1</f> <s>2</s> <t></t></row> </rows>) Here is the output (BaseX 7.8.1) , where line 4 and 5 are missing trailing separators: 1,2,3 ,,3 1,,3 1 1,2 Could this be fixed, or is it a feature? All the best Lars G Johnsen National Library of Norway

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Re: [basex-talk] Bug (?) - trailing whitespace in text nodes
by Hans-Juergen Rennau 21 Mar '14

21 Mar '14

Mm, the documentation says: "Chops all leading and trailing whitespaces from text nodes while building a database, and discards empty text nodes. By default, this option is set to true, as it often reduces the database size by up to 50%. It can also be turned off on command line via -w." The text states clearly that chopping affects only text nodes stored into a database. At any rate - the problem remains, whether or not I use option -w, and whether or not I use prolog option db:chop. (Side remark: it would be a serious issue if the prolog option were required, as this would imply that standard conformant behaviour could only be achieved by making the code unportable.) Kind regards, Hans-Juergen -------------------------------------------- Dirk Kirsten <dk(a)basex.org> schrieb am Do, 20.3.2014: Betreff: Re: [basex-talk] Bug (?) - trailing whitespace in text nodes An: "Hans-Juergen Rennau" <hrennau(a)yahoo.de>, "basex-talk(a)mailman.uni-konstanz.de" <basex-talk(a)mailman.uni-konstanz.de> Datum: Donnerstag, 20. März, 2014 18:28 Uhr Dear Hans-Jürgen, I am not quite sure it is intended that the CHOP option is applied to text nodes. At least the wording in the documentation ("while building a database") does not indicate it, while I think it actually does make sense. Christian will have to answer whether this works as is intended behavior. However, you can set the chop option to false within your XQuery by declaring it declare option db:chop "false"; and this should also affect reading in files from the file system. At least this works for me. Cheers, Dirk On 20/03/14 17:47, Hans-Juergen Rennau wrote: > My understanding is that it only affects database documents, and I used file input. > > Nevertheless, I also tried option -w, but always got the same result. > > Kind regards, > Hans-Jürgen > > > > > > Hans-Juergen Rennau <hrennau(a)yahoo.de> schrieb am 17:45 Donnerstag, 20.März 2014: > > Dear Dirk, thank you. > > But this is strange - I ran the query using a file as input - not a database document. > > I tried two versions: > BaseX 7.8.2 beta f505185 [Standalone] > BaseX 8.0 beta 606f18b [Standalone] > > OS is Windows 7. > > I always get this result: > <para>xxx<emphasis role="italic">abc</emphasis>yyy.</para> > > Using a different XQuery processor, I get this result, as expected: > <para>xxx <emphasis role="italic">abc</emphasis> yyy.</para> > > Kind regards, > Hans-Jürgen > > > > > > Dirk Kirsten <dk(a)basex.org> schrieb am 17:10 Donnerstag, 20.März 2014: > > Dear Hans-Jürgen, > > When running local:edit() on an in-memory node I get the expected and > correct result, including whitespaces. > > I guess that you run this command on a database node and the XML > documents were parsed with CHOP being true (which is the default), this > would explain the behavior and would be as expected. If you do not want > this you might consider setting the CHOP option (see > https://docs.basex.org/wiki/Options#CHOP) to false. > > Cheers, > Dirk > > > On 20/03/14 16:57, Hans-Juergen Rennau wrote: >> Dear BaseX team, >> >> I think I observed a bug concerning trailing whitespace in text nodes. >> >> Please consider this input document: >> >> <para>xxx <emphasis role="italic">abc</emphasis> yyy.</para> >> >> >> [Note the blanks between xxx and <emphasis>.] >> >> The result of the following "null-transformation" >> >> ======================= >> >> declare function > local:edit($n as node()) >> as node()? { >> typeswitch($n) >> case document-node() return >> document {for $c in $n/node() return local:edit($c)} >> case element() return >> element {node-name($n)} >> {for $ac in $n/(@*, node()) return local:edit($ac)} >> default return $n >> }; >> local:edit(.) >> ======================= >> >> should be identical, but what I get is this: >> >> <para>xxx<emphasis role="italic">abc</emphasis>yyy.</para> >> >> The > blanks after "xxx" are gone! >> >> >> When transforming mixed content like docbook, this can have awkware consequences. >> >> Kind regards, >> Hans-Jürgen >> >> >> >> _______________________________________________ >> BaseX-Talk mailing list >> BaseX-Talk(a)mailman.uni-konstanz.de >> https://mailman.uni-konstanz.de/mailman/listinfo/basex-talk >> > -- Dirk Kirsten, BaseX GmbH, http://basex.org |-- Firmensitz: Blarerstrasse 56, 78462 Konstanz |-- Registergericht Freiburg, HRB: 708285, Geschäftsführer: | Dr. Christian Grün, Dr. Alexander Holupirek, Michael Seiferle `-- Phone: 0049 7531 28 28 676, Fax: 0049 7531 20 05 22

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feature's requests and not publicly released features
by Fabrice Etanchaud 21 Mar '14

21 Mar '14

Dear all, First of all, BaseX is just fantastic ! Could you please tell me if you may release the following features in near future ? 1. User defined indexes Let's consider you have to index multi lingual documents. Currently, one have to partition each document in mono-lingual documents, and add them in separate collections because there can be only one fulltext index per collection, and because all text() nodes will be indexed. Are others BaseX users interested with user defined indexes (attribute, text, and fulltext) ? Wouldn't user defined indexes dramatically improve performance (during requests, and optimization) ? 2. Break current collection limitation on the maximum number of nodes. 3. Possibility to store millions of small documents, and do efficient 'db:replaces' or 'db:delete'. Last, How does BaseX team provide non-open-source features ? Best regards, Fabrice Etanchaud Questel/Orbit

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Performance
by Marco Lettere 21 Mar '14

21 Mar '14

Hello to everyone, while trying to trace the performance I could expect from my RestXQ app I created a DB with something like 300/400k documents. For the test the documents are rather homogenoeus and stored plainly in the DB root collection. I had two major objectives. 1) understand the behaviour of the query when run on a significant (even if not huge) number of documents. I've noticed that something like collection('db')/a[@att = 'xxx' and b/text() = 'zzz'] on my laptop (Intel I7, 8 GB Ram and SSD) takes some 5 to 7 seconds. Is this reasonable? I was expecting slightly better performance but I must admit that the documents are rather similar thus maybe the indexing is not very selective. What I noticed and this is feeling strange is that the time is often spent in rather similar proportion between query compilation and query evaluation and in some runs (1 every 5) most of the time is spent in compilation and only few msec in evaluation. But the query is rather simple so I assume that time spent in opening large collections (or accessing the indexes) is computed in the compilation phase. Is it like that? Is there a way to restructure my query to be somehow more selective reducing the time of accessing the collection/index? 2) to measure the difference between the same query when run directly and when run through xquery:eval. Here I noticed that the difference between plain and xquery:eval() execution is negligible when the time for the evaluation increases. So I assume that the xquery:eval is using the indexing system even if this is not reported in the info view of the GUI. Is it like that? Thank you all. Regards, Marco.

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Namespaces ...
by Marco Lettere 21 Mar '14

21 Mar '14

Hello all, I've a few questions related to namespaces. I've noticed that on one of the info panels of the the GUI all the namespaces of the documents stored in a DB are listed. Is there a way to get this information from inside an XQuery? My problem is that I have to perform queries that are dynamically generated on a heterogeneuos set of documents. By now I have to store somewhere an association between one input parameter of the query and a corresponding set of namespaces to be used. This is then transformed into a list of "declare namespace ..." statements. I thought I could pregenerate a declare statement for every namespace in the DB by default thus avoiding to maintain the association. Would there be a significant impact on query or query compilation performance? Thanks, Marco.

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restriction on number of namespaces has apparently been lifted – thank you
by Imsieke, Gerrit, le-tex 21 Mar '14

21 Mar '14

Today I noticed that I could actually build an index of all XSLT, XProc, Relax NG and Schematron files on my hard disk (3316 files). I couldn’t do that 2 years ago because the maximum number of distinct namespaces in a DB was limited to 256 or so. Thanks, BaseX team, for lifting this restriction! This has already proved really useful: I knew that I wrote an XProc step that conditionally invoked a step whose local name I remembered. The simple XPath expression collection('home')//*:declare-step[*:choose//*:paths] helped me identify the two relevant files. Since we do a lot of development in XML-syntax languages, an XML database is really really good for structured searches on these files. I bet you XQuery devs still use grep to query your code ;) Gerrit

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mailing list archives 403?
by Jesse Clark 20 Mar '14

20 Mar '14

Is anybody else getting a 403 Forbidden error trying to access the mailing list archives? https://mailman.uni-konstanz.de/pipermail/basex-talk/ -Jesse

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Bug (?) - trailing whitespace in text nodes
by Hans-Juergen Rennau 20 Mar '14

20 Mar '14

Dear BaseX team, I think I observed a bug concerning trailing whitespace in text nodes. Please consider this input document: <para>xxx <emphasis role="italic">abc</emphasis> yyy.</para> [Note the blanks between xxx and <emphasis>.] The result of the following "null-transformation" ======================= declare function local:edit($n as node()) as node()? { typeswitch($n) case document-node() return document {for $c in $n/node() return local:edit($c)} case element() return element {node-name($n)} {for $ac in $n/(@*, node()) return local:edit($ac)} default return $n }; local:edit(.) ======================= should be identical, but what I get is this: <para>xxx<emphasis role="italic">abc</emphasis>yyy.</para> The blanks after "xxx" are gone! When transforming mixed content like docbook, this can have awkware consequences. Kind regards, Hans-Jürgen

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Question about BaseX JAVA API Usage ...
by Christopher Lyons 20 Mar '14

20 Mar '14

I've just starting using BaseX (V.7.8.1) and have a very quick question that I hope somebody can help me with. I've reviewed the BaseX docs and tried looking for an answer to this on the Wiki but have not been successful. I've installed BaseX (on Win7 Pro/64-bit) and have been using the GUI interface (non-server) and it has been working great. I just started exploring the JAVA API and am having a few basic problems. I'm trying to use the RunQueries.java example file (currently just need to do some local queries from a JAVA app). Just an FYI, the links from BaseX doc site to the GitHub example repository are all broken. The examples are on GitHub but it looks like they were recently moved/updated and the links must have changed and haven't been updated on the BaseX site. I'm an experienced programmer but am just getting up-to-speed with JAVA, so my question may be more related to that than a specific BaseX problem but hopefully someone can point me in the right direction. I use Eclipse and when I create a test class with the RunQueries.java code, Eclipse is not able to resolve the BaseX package imports at the start of the class. Namely, the following code: import org.basex.core.*; import org.basex.core.cmd.*; import org.basex.data.*; import org.basex.io.serial.*; import org.basex.query.*; import org.basex.query.iter.*; import org.basex.query.value.item.*; Should the general install of BaseX put these packages into their proper places? Or is there something else I have to do to get these packages properly installed and able to be resolved? Appreciate any help. Thanks, Chris Lyons

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Re: [basex-talk] BaseX-Talk Digest, Vol 51, Issue 20
by John Best 19 Mar '14

19 Mar '14

Dear Christian, Good to see these features... What about MIXED Content searching ? :( On Wed, Mar 19, 2014 at 4:30 PM, <basex-talk-request(a)mailman.uni-konstanz.de > wrote: > Send BaseX-Talk mailing list submissions to > basex-talk(a)mailman.uni-konstanz.de > > To subscribe or unsubscribe via the World Wide Web, visit > https://mailman.uni-konstanz.de/mailman/listinfo/basex-talk > or, via email, send a message with subject or body 'help' to > basex-talk-request(a)mailman.uni-konstanz.de > > You can reach the person managing the list at > basex-talk-owner(a)mailman.uni-konstanz.de > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of BaseX-Talk digest..." > > > Today's Topics: > > 1. BaseX: Upcoming Features (Christian Gr?n) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Tue, 18 Mar 2014 13:03:26 +0100 > From: Christian Gr?n <christian.gruen(a)gmail.com> > To: BaseX <basex-talk(a)mailman.uni-konstanz.de>, BaseX > <basex-announce(a)mailman.uni-konstanz.de> > Subject: [basex-talk] BaseX: Upcoming Features > Message-ID: > <CAP94bnOKazkmPDE4qbw+MZ9OR= > ceCh+4vM9E3tcgOrBMFcKyBg(a)mail.gmail.com> > Content-Type: text/plain; charset=ISO-8859-1 > > Dear BaseX aficionados, > > An upcoming version of our software (7.9 or 8.0) will make it much > easier to perform updates and return items at the same time [1]. It > will also contain an xquery:update function and will bring xquery:eval > and xquery:evaluate together again [2] Another exciting and > sophisticated feature we are working on is query precompilation [3], > which will particularly speed up large XQuery applications and allow > for more request-specific optimizations. > > Next, we are working on a Database Administration interface based on > RESTXQ, and we will also drop out the confusing client/server dialog > from the GUI. > > Feature 1 and 2 are already available via a feature branch [4]. If you > are working with the git sources, we are excited to get your feedback! > > Christian > > [1] https://github.com/BaseXdb/basex/issues/873 > [2] https://github.com/BaseXdb/basex/issues/878 > [3] https://github.com/BaseXdb/basex/issues/874 > [4] https://github.com/BaseXdb/basex/tree/issue873 > > > ------------------------------ > > _______________________________________________ > BaseX-Talk mailing list > BaseX-Talk(a)mailman.uni-konstanz.de > https://mailman.uni-konstanz.de/mailman/listinfo/basex-talk > > > End of BaseX-Talk Digest, Vol 51, Issue 20 > ****************************************** > -- Have a nice day JBest

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Error in webdav.xqm
by France Baril 19 Mar '14

19 Mar '14

I'm using BaseX with Oxygen, accessing content through a webdav folder. Since the upgrade to 7.8.1, I'm getting these errors in the terminal Window (see end of message). Interestingly, I have no xquery folder under /Users/archie and a search return no file named webdav.xqm on the computer. I haven't seen differences in the behaviour with the upgrade, just these messages. Regards, France Last login: Fri Feb 28 11:37:18 on ttys000 NoName:~ archie$ /Applications/basex/bin/basexhttp ; exit; BaseX 7.8.1 [Server] Server was started (port: 1984) HTTP Server was started (port: 8984) Stopped at /Users/archie/xquery/webdav.xqm, 1/246: [XPTY0004] Cannot treat xs:string as xs:integer: "300". com.bradmcevoy.http.exceptions.BadRequestException Stopped at /Users/archie/xquery/webdav.xqm, 1/246: [XPTY0004] Cannot treat xs:string as xs:integer: "300". com.bradmcevoy.http.exceptions.BadRequestException Stopped at /Users/archie/xquery/webdav.xqm, 1/246: [XPTY0004] Cannot treat xs:string as xs:integer: "300". com.bradmcevoy.http.exceptions.BadRequestException Stopped at /Users/archie/xquery/webdav.xqm, 1/246: [XPTY0004] Cannot treat xs:string as xs:integer: "300". com.bradmcevoy.http.exceptions.BadRequestException Stopped at /Users/archie/xquery/webdav.xqm, 1/246: [XPTY0004] Cannot treat xs:string as xs:integer: "300". com.bradmcevoy.http.exceptions.BadRequestException Stopped at /Users/archie/xquery/webdav.xqm, 1/246: [XPTY0004] Cannot treat xs:string as xs:integer: "300". com.bradmcevoy.http.exceptions.BadRequestException Stopped at /Users/archie/xquery/webdav.xqm, 1/246: [XPTY0004] Cannot treat xs:string as xs:integer: "300". com.bradmcevoy.http.exceptions.BadRequestException Stopped at /Users/archie/xquery/webdav.xqm, 1/246: [XPTY0004] Cannot treat xs:string as xs:integer: "300". com.bradmcevoy.http.exceptions.BadRequestException Stopped at /Users/archie/xquery/webdav.xqm, 1/246: [XPTY0004] Cannot treat xs:string as xs:integer: "300". com.bradmcevoy.http.exceptions.BadRequestException Stopped at /Users/archie/xquery/webdav.xqm, 1/246: [XPTY0004] Cannot treat xs:string as xs:integer: "300". com.bradmcevoy.http.exceptions.BadRequestException Stopped at /Users/archie/xquery/webdav.xqm, 1/246: [XPTY0004] Cannot treat xs:string as xs:integer: "300". com.bradmcevoy.http.exceptions.BadRequestException Stopped at /Users/archie/xquery/webdav.xqm, 1/246: [XPTY0004] Cannot treat xs:string as xs:integer: "300". com.bradmcevoy.http.exceptions.BadRequestException Stopped at /Users/archie/xquery/webdav.xqm, 1/246: [XPTY0004] Cannot treat xs:string as xs:integer: "300". com.bradmcevoy.http.exceptions.BadRequestException Stopped at /Users/archie/xquery/webdav.xqm, 1/246: [XPTY0004] Cannot treat xs:string as xs:integer: "300". com.bradmcevoy.http.exceptions.BadRequestException Stopped at /Users/archie/xquery/webdav.xqm, 1/246: [XPTY0004] Cannot treat xs:string as xs:integer: "300". com.bradmcevoy.http.exceptions.BadRequestException Stopped at /Users/archie/xquery/webdav.xqm, 1/246: [XPTY0004] Cannot treat xs:string as xs:integer: "300". com.bradmcevoy.http.exceptions.BadRequestException Stopped at /Users/archie/xquery/webdav.xqm, 1/246: [XPTY0004] Cannot treat xs:string as xs:integer: "300". com.bradmcevoy.http.exceptions.BadRequestException Stopped at /Users/archie/xquery/webdav.xqm, 1/246: [XPTY0004] Cannot treat xs:string as xs:integer: "300". com.bradmcevoy.http.exceptions.BadRequestException Stopped at /Users/archie/xquery/webdav.xqm, 1/246: [XPTY0004] Cannot treat xs:string as xs:integer: "300". com.bradmcevoy.http.exceptions.BadRequestException Stopped at /Users/archie/xquery/webdav.xqm, 1/246: [XPTY0004] Cannot treat xs:string as xs:integer: "300". com.bradmcevoy.http.exceptions.BadRequestException -- France Baril Architecte documentaire / Documentation architect france.baril(a)architextus.com (514) 572-0341

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db:replace throwing error
by Jesse Clark 17 Mar '14

17 Mar '14

Hi All, The module docs for db:replace (http://docs.basex.org/wiki/Database_Module#db:replace) states that: "Replaces a document, specified by $path, in the database $db with the content of $input, or adds it as a new document." However, when I try to run a query using db:replace: return db:replace($database, $jsonXML, $targetProfilePath) I get the following error regardless of whether there is a document in the db at that path or not: [FODC0002] Resource "/targetProfiles/5321cff2e4b0372d556893f4" does not exist. db:add() seems to be working fine but I would prefer not to add multiple documents at the same path. I suppose I can work around this by first using db:delete() to remove any documents at the path and then using db:add() but I would appreciate any insight into why db:replace() isn't working as expected. Thanks, -Jesse

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using evaluate on untrusted code
by Jesse Clark 17 Mar '14

17 Mar '14

Hello all, I have a project where I need to take 3rd party XQuery expressions and evaluate them in the context of a single xml document. The expressions are untrusted and I want to limit them to read-only and only allow them to access a single xml document being passed in as an external variable. I read in the XQuery Module docs (http://docs.basex.org/wiki/XQuery_Module) that with the evaluate() command the evaluated query is prevented from opening new database. I believe I could run the evaluate() call from a session connected as a read only user to prevent any update commands. Also, since I only want the evaluated expressions to be able to access a document declared as external I could, I believe, evaluate() from a session connected to an empty database as well. However, would the evaluated expressions still be able to execute functions from other BaseX modules like, for example, proc:system()? I know that in general using eval on untrusted code is a huge risk. Is there anyway to create a secure 'sandbox' for evaluating untrusted XQuery expressions? Any advice would be greatly appreciated. Thanks, -Jesse

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Re: [basex-talk] Writeback execute command
by eitan elmalam 13 Mar '14

13 Mar '14

Hi I change the query to String query = "for $item in doc('src/xmlFile/input.xml')//package return insert node <e123/> into $item"; with doc and is still not working. Thanks Eitan Elmalam 2014-03-13 15:00 GMT+02:00 BaseX Support <support(a)basex.org>: > Maybe it's due to... > > https://github.com/BaseXdb/basex/issues/848 > http://docs.basex.org/wiki/Options#WRITEBACK > > Please use the basex-talk mailing list for future requests. > ____________________________________ > > On Thu, Mar 13, 2014 at 1:50 PM, eitan elmalam <eitan.elmalam(a)gmail.com> > wrote: > > Hello BaseX Support > > > > I am trying to do simple thing. > > I want to confige the data base to WRITEBACK true , that changes on XML > file > > will execute on the file on the disc. > > And after that to execute query insert and to see the file on the disck > > changed. > > I send you the test case code, please check why is not work. > > > > Thanks > > Eitan Elmalam. > > > > > > > > /** > > > > * @param args > > > > * @throws BaseXException > > > > */ > > > > public static void main(String[] args) throws BaseXException { > > > > try { > > > > String LOCAL_DB_NAME1 = "LocalDB"; > > > > String LOCAL_DB_PATH1 = "src/xmlFile/input.xml"; > > > > Context context1 = new Context(); > > > > // Start server on default port 1984 > > > > BaseXServer server = new BaseXServer(); > > > > ClientSession session = new ClientSession("localhost", 1984, > > > > "admin", "admin"); > > > > session.execute(new CreateDB(LOCAL_DB_NAME1, LOCAL_DB_PATH1)); > > > > String query = "for $item in //package return insert node <e123/> into > > $item"; > > > > //String query = "//package"; > > > > session.query(query).execute(); > > > > BaseXXQDataSource xqjd = null; > > > > XQConnection conn; > > > > XQExpression xqe; > > > > xqjd = new BaseXXQDataSource(); > > > > conn = xqjd.getConnection("admin", "admin"); > > > > xqe = conn.createExpression(); > > > > xqe.executeCommand("SET WRITEBACK true"); > > > > } catch (Exception e) { > > > > e.printStackTrace(); > > > > } > > > > } > > > > > > > > > > <App name="BasexTest_1"> > > > > <package name="main/resources/xml"> > > > > <file name="input.xml"/> > > > > <e/> > > > > <e/> > > > > <e1/> > > > > <e12/> > > > > </package> > > > > <package name="org/basex/examples/local"> > > > > <file name="RunCommands.java"/> > > > > <folder>lib</folder> > > > > <e/> > > > > <e/> > > > > <e1/> > > > > <e12/> > > > > </package> > > > > </App> > > > > > > > > > > > > > > > > 2014-03-11 23:17 GMT+02:00 BaseX Support <support(a)basex.org>: > >> > >> Eitan, > >> > >> if you want help, please spend more time in creating examples that > >> work out of the box (see [1] for more details), and write to the > >> basex-talk mailing list. What do you expect your qeery to do? What is > >> the error? > >> > >> Christian > >> > >> [1] http://www.sscce.org/ > >> ____________________________________ > >> > >> > I am create DB instance , and create client server for create > expression > >> > to > >> > execute the command (("SET WRITEBACK true"); > >> > But the command not working , please help . > >> > See the code below. > >> > > >> > Thanks > >> > Eitan Elmalam > >> > > >> > > >> > > >> > > >> > > >> > public void createDB(String dbName, String dbPath) throws IOException > { > >> > > >> > > >> > CreateDB db = new CreateDB(dbName, dbPath); > >> > db.execute(context); > >> > BaseXServer server = new BaseXServer(context); > >> > > >> > session = new ClientSession("localhost", 1984, "alex", "admin"); > >> > > >> > > >> > XQDataSource ds = null; > >> > BaseXXQDataSource xqjd = null; > >> > > >> > try { > >> > xqjd = new BaseXXQDataSource(); > >> > > >> > conn = xqjd.getConnection("alex", "admin"); > >> > > >> > } catch (Exception e) { > >> > > >> > } > >> > > >> > try { > >> > this.xqe = this.conn.createExpression(); > >> > } catch (XQException e) { > >> > e.printStackTrace(); > >> > } > >> > > >> > int j = 0; > >> > try { > >> > xqe.executeCommand("SET WRITEBACK true"); > >> > } catch (XQException e) { > >> > e.printStackTrace(); > >> > } > >> > > >> > } > >> > > > > > >

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Protocol Question: Query Persistence
by Paul Fancher 12 Mar '14

12 Mar '14

I have a client that connects to a BaseX server using the Client/Server API. I am currently writing failure modes to handle connection failures during runtime, and I ran into a question that I don't immediately know the answer to: if a query is defined (which returns an ID), and the connection to the BaseX server fails immediately thereafter, and a new connection is immediately built, will the ID still be associated with the query in the BaseX server or will the query be automatically erased when the connection fails? I will be testing to find the answer to this question shortly, but I wanted to ask, and also raise a more general question: on a BaseX server, how long do queries remain in memory and associated with a given ID (especially if the 'CLOSE' command (\2) is never received, such as when the connection simply stops)? Thank yall for your time, Paul Fancher

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new booking 2014-03-13
by 船公司 12 Mar '14

12 Mar '14

Jeter Shipping (Guangzhou) Ltd.广州即达—全广州最大的散货拼柜庄家！即达船务专业拼箱20载，一直与外运仓和多家船公司有良好合作关系，代理遍布全球，直拼港口众多，船期稳船期多。固定有二截五开，四截二开。五截三开等。精品航线众多：东南亚、中东印巴、欧洲地中海、澳洲新西兰、美加。南非和巴拿马、墨西哥等船期非常好。目的港直接代理方便掌控物权和解决目的港清关事宜。（请您花一点点时间看一眼，也许会为您节省不少成本！感谢您的支持！）价格是死的，人是活的，我从来不奢求太多利润，你我都有的赚才是最好的，真诚希望与您实现双赢。用心做人，以诚待人。期待与您合作。请相信我。三大优势 1. 广州拼箱大庄家，操作专业、海运价格低、船期最稳 2. 报关实力强，可接仿牌、液体、粉末、食品等敏感货物 3. 一站式服务，可上门提货，代办各类出口证书、打托、贴唛等 | 目的港(Destination) | 海运费USD/CBM | 黄埔截关 | 黄埔开船 | T/T（天） | Carrier | | 迪拜（DUBAI） | 0 | 周二 | 周五 | 13 | YML/WHL | | 亚历山大(ALEXANDRIA) | 10 | 周二 | 周五 | 25 | CSCL | | 仁川（INCHON） | 0 | 周二 | 周五 | 5 | TSL | | 海防（HAIPHONG） | 1 | 周二 | 周五 | 5 | TSL | | 雅加达（JAKARTA） | 0 | 周二 | 周五 | 5 | WHL | | 鹿特丹（ROTTERDAM） | 0 | 周二 | 周五 | 23 | CSCL | | 安特卫普（ANTWERP） | 0 | 周二 | 周五 | 27 | CSCL | | 利哈佛尔（LE HAVRE） | 0 | 周二 | 周五 | 21 | CSCL | | 热那亚（GENOA） | 0 | 周二 | 周五 | 21 | YML | | 伊斯坦布尔（Istanbul） | 0 | 周一 | 周四 | 17 | YML | | 悉尼/墨尔本（SYD/MEL） | 0 | 周二 | 周五 | 13 | CSCL | | 奥克兰（AUCKLAND） | 5 | 周二 | 周五 | 18 | CSCL | | 多伦多（Toronto） | 55 | 周二 | 周五 | 25 | CSCL | | 温哥华（Vancouver） | 30 | 周二 | 周五 | 18 | CSCL | | 纽约（New York） | 10 | 周二 | 周五 | 25 | CSCL | 《《欢迎咨询全球港口价格》》最后恭祝各位生意兴隆，万事顺意！询价请发邮件到：344690306@qq.com/sales-15@jeter.com.cn 专做国际海运散货，海运价格低、通关实力强、可接仿牌，粉末，液体等敏感物品，附带服务好，提供散货一条龙运输服务。柜货：由于船东方面没有具体很固定的柜货价格，所以主要是看每个时期的不同价格有浮动，但可以肯定的一点，我们作为国际代理，绝对能够拿到市场的最低价格，因此有货的朋友来电咨询保证有惊喜让你们的利润空间完全打开~！各航线对应签约船东：南美线：ZIM 、EMC、 MSK船东非洲线：MSC、MSK、delmas 中东印巴：OOCL 、CSCL、WHL、HJ、APL 东南亚：YML、H-A、APL、玛丽亚、KMTC等多家近洋线船东欧洲线：CSCL YML等船东 --Tks./Best Regards ＾＿＾业务经理：彭家钊HerryPeng 13450363012 （手机） MSN: pjiazhao(a)hotmail.com QQ:344690306 ------------------------------------------------------------------------------ Jeter Shipping (Guangzhou) Ltd. 广州即达船务运输有限公司 (MOC-NY0446) Room 904-909.Glorious Tower,No.850 Dongfeng Road East,Guangzhou 510600 China 广州市东风东路850号锦城大厦904-909室邮编：510600 Mob:13450363012 Tel:020-87348545 Fax:020-87346274/5/6/7 Email：sales-15(a)jeter.com.cn 如不想收到此类邮件/或是重复多收，请来信告知，我将会及时处理，对此给您造成的不便还请谅解！=^_^=

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new booking 2014-03-13
by 船公司 12 Mar '14

12 Mar '14

Jeter Shipping (Guangzhou) Ltd.广州即达—全广州最大的散货拼柜庄家！即达船务专业拼箱20载，一直与外运仓和多家船公司有良好合作关系，代理遍布全球，直拼港口众多，船期稳船期多。固定有二截五开，四截二开。五截三开等。精品航线众多：东南亚、中东印巴、欧洲地中海、澳洲新西兰、美加。南非和巴拿马、墨西哥等船期非常好。目的港直接代理方便掌控物权和解决目的港清关事宜。（请您花一点点时间看一眼，也许会为您节省不少成本！感谢您的支持！）价格是死的，人是活的，我从来不奢求太多利润，你我都有的赚才是最好的，真诚希望与您实现双赢。用心做人，以诚待人。期待与您合作。请相信我。三大优势 1. 广州拼箱大庄家，操作专业、海运价格低、船期最稳 2. 报关实力强，可接仿牌、液体、粉末、食品等敏感货物 3. 一站式服务，可上门提货，代办各类出口证书、打托、贴唛等 | 目的港(Destination) | 海运费USD/CBM | 黄埔截关 | 黄埔开船 | T/T（天） | Carrier | | 迪拜（DUBAI） | 0 | 周二 | 周五 | 13 | YML/WHL | | 亚历山大(ALEXANDRIA) | 10 | 周二 | 周五 | 25 | CSCL | | 仁川（INCHON） | 0 | 周二 | 周五 | 5 | TSL | | 海防（HAIPHONG） | 1 | 周二 | 周五 | 5 | TSL | | 雅加达（JAKARTA） | 0 | 周二 | 周五 | 5 | WHL | | 鹿特丹（ROTTERDAM） | 0 | 周二 | 周五 | 23 | CSCL | | 安特卫普（ANTWERP） | 0 | 周二 | 周五 | 27 | CSCL | | 利哈佛尔（LE HAVRE） | 0 | 周二 | 周五 | 21 | CSCL | | 热那亚（GENOA） | 0 | 周二 | 周五 | 21 | YML | | 伊斯坦布尔（Istanbul） | 0 | 周一 | 周四 | 17 | YML | | 悉尼/墨尔本（SYD/MEL） | 0 | 周二 | 周五 | 13 | CSCL | | 奥克兰（AUCKLAND） | 5 | 周二 | 周五 | 18 | CSCL | | 多伦多（Toronto） | 55 | 周二 | 周五 | 25 | CSCL | | 温哥华（Vancouver） | 30 | 周二 | 周五 | 18 | CSCL | | 纽约（New York） | 10 | 周二 | 周五 | 25 | CSCL | 《《欢迎咨询全球港口价格》》最后恭祝各位生意兴隆，万事顺意！询价请发邮件到：344690306@qq.com/sales-15@jeter.com.cn 专做国际海运散货，海运价格低、通关实力强、可接仿牌，粉末，液体等敏感物品，附带服务好，提供散货一条龙运输服务。柜货：由于船东方面没有具体很固定的柜货价格，所以主要是看每个时期的不同价格有浮动，但可以肯定的一点，我们作为国际代理，绝对能够拿到市场的最低价格，因此有货的朋友来电咨询保证有惊喜让你们的利润空间完全打开~！各航线对应签约船东：南美线：ZIM 、EMC、 MSK船东非洲线：MSC、MSK、delmas 中东印巴：OOCL 、CSCL、WHL、HJ、APL 东南亚：YML、H-A、APL、玛丽亚、KMTC等多家近洋线船东欧洲线：CSCL YML等船东 --Tks./Best Regards ＾＿＾业务经理：彭家钊HerryPeng 13450363012 （手机） MSN: pjiazhao(a)hotmail.com QQ:344690306 ------------------------------------------------------------------------------ Jeter Shipping (Guangzhou) Ltd. 广州即达船务运输有限公司 (MOC-NY0446) Room 904-909.Glorious Tower,No.850 Dongfeng Road East,Guangzhou 510600 China 广州市东风东路850号锦城大厦904-909室邮编：510600 Mob:13450363012 Tel:020-87348545 Fax:020-87346274/5/6/7 Email：sales-15(a)jeter.com.cn 如不想收到此类邮件/或是重复多收，请来信告知，我将会及时处理，对此给您造成的不便还请谅解！=^_^=

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Catching errors on DB name
by France Baril 12 Mar '14

12 Mar '14

I was getting an error (improper use or bug) on : for $file in db:open('Translation-management', '/xliff-history/fr-ca')[not(ends-with(base-uri(), 'accessibility.xml')) and not(ends-with(base-uri(), 'account-add.xml')) and not(ends-with(base-uri(), 'account-sync.xml'))] let $sub-uri := substring-after($file/base-uri(), 'Translation-management') return db:delete('Translation-management-simple', $sub-uri) where the DB name in the db:delete doesn't exist (my fault, I forgot to rename it). Stil,, it'd be nice to have a more specific error message for a case like this. Other similar function return DB does not exist, if I recall properly. Thanks, France -- France Baril Architecte documentaire / Documentation architect france.baril(a)architextus.com (514) 572-0341

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Re: [basex-talk] BaseX server.close() "Connection refused" in Openshift
by P.C. 10 Mar '14

10 Mar '14

Christian and Andy, thank you for the response. I tried to use the "-d" option when starting the server, like this: server = new BaseXServer("-p"+SERVERPORT, "-e"+EVENTPORT, "-n" + host, "-d"); but I wasn't able to get any information (actually, for some reason I had to change DEBUG to true inside the .basex file). In the "catalina.out" file, the same "java.net.ConnectException: Connection refused" exception appears. For some reason, the connection is refused when I try to stop the server (but the connection works when trying to execute other commands). In the BaseX log, nothing different appears. It also happens when I try to do the following: BaseXServer.stop(SERVERPORT, EVENTPORT); Anyway, in the BaseX log, there are lines such as: 19:35:43.118127.12.249.129:33012adminREQUESTINFO 19:35:43.865127.12.249.129:33012adminOK810.3 ms 19:35:57.304127.12.249.129:33083adminREQUESTINFO 19:35:58.072127.12.249.129:33083adminOK768.67 ms 127.12.249.129 is the internal Openshift IP. The numbers 33012, 33083 are arbitrary port numbers? The Openshift available port numbers range from 15000 to 35530. thank you in advance.

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Fulltext query: values in some elements are not indexed?
by Ioannis Kavvouras 10 Mar '14

10 Mar '14

We query on fulltext an xml file. After some experiments we found out that if the "terms" are in the middle of the text-element the 'ft:contains' returns true. On the other hand, if the query is the whole text-element it returns false. ie. <ows:IndividualName>FirstName LastName</ows:IndividualName> the query -------- query -------- for $r in /server where ft:contains($r, ( 'FirstName' , 'LastName' ), <options><fuzzy value="true"/><mode value='any'/></options>) return $r --- end of query --- returns an empty set. In addition, queries with fuzzy value equal to false or true and mode value phrase return also an empty set. Regards Yannis

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Re: [basex-talk] Print out table view
by Dirk Kirsten 10 Mar '14

10 Mar '14

Hi, there are a number of options how to set the serialization options, e.g. by putting them into the prolog of a query, e.g. declare option output:method "csv"; You can find out more about the serialization options and also one example using CSV at our documentation at https://docs.basex.org/wiki/Serialization Cheers, Dirk On 09/03/14 23:17, kleinempfaenger(a)hotmail.com wrote: > Hi, thanks for your answer, > How can I serialize the output as CSV? Could you please link a simple > xquery-documentary. > Greetings > > > > El 06/03/14 04:24, Dirk Kirsten escribió: >> Hello, >> >> no, I don't think that's possible at the moment. However, you could >> write a little XQuery and serialize the result as CSV, giving you exact >> control over which element and nodes you will have in your result set. >> You can then save the output and e.g. import into something like Excel >> or Libreoffice Calc. >> >> Cheers, >> Dirk >> >> On 06/03/14 02:51, kleinempfaenger(a)hotmail.com wrote: >>> Hi, nice program. I didn't find a way to print out the table view of my >>> xml file, or better export it to pdf (on Linux, virtual printers >>> installed). Is that possible? >>> Greetings and thanks. >>> kl >>> >>> _______________________________________________ >>> BaseX-Talk mailing list >>> BaseX-Talk(a)mailman.uni-konstanz.de >>> https://mailman.uni-konstanz.de/mailman/listinfo/basex-talk >>> > -- Dirk Kirsten, BaseX GmbH, http://basex.org |-- Firmensitz: Blarerstrasse 56, 78462 Konstanz |-- Registergericht Freiburg, HRB: 708285, Geschäftsführer: | Dr. Christian Grün, Dr. Alexander Holupirek, Michael Seiferle `-- Phone: 0049 7531 28 28 676, Fax: 0049 7531 20 05 22

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Re: [basex-talk] cctv mini cameras prices
by Flycctv 08 Mar '14

08 Mar '14

Dear Product Manager, Nice Day. This is Fly, we specialize in HD network cameras&NVR products. Here introduce our TOP1 last year: SIP Mini dome cameras below. Features: 1. SIP/ VoIP, E-PTZ supported 2. Software (VMS/CMS) for you without cost 3. ONVIF compatibility with kinds of brands such as Axis/ NUUO/Synology/QNAP/IPCorder etc. 4. View via APP, computers, video phones, VMS etc. Waiting to hear from you soon. Warmly regards, Fly ----------------------------------------- If you would like to receive our newsletters to get more idea of our products, please click here to subscribe; Don't want to receive these newsletters anymore? unsubscribe

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Re: [basex-talk] Creating connection pool in basex
by Christian Grün 08 Mar '14

08 Mar '14

Hi iClays (cc to the list), > Thanks for replying. Basically our users have grown tremendously. So with > the embedded basex solution, we thought a connection pool or load balancing > could make the already faster basex even more amazing for us and our user > experience. That is the reason... Thanks for your feedback. As you said you want to speed up BaseX... Have you already found out what takes most time? Is it the time for connecting to the database, the repeated request of identical results, or something else? > Is the embedded solution limited in terms of what we can do with it? The embedded solution will generally give you best performance, because it has no overhead for sending data over sockets, etc., but it may not be well suited if you want to handle external clients. Could you give me more information on what your "users" are? Christian

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BaseX server.close() "Connection refused" in Openshift
by P.C. 07 Mar '14

07 Mar '14

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. This is a very simple configuration that would be straightforward to set up in Openshift. Inside a servlet, I start a BaseX server so that the servlets in this application can use it as clients.I start it by calling the following instructions, which work as expected: String folder = System.getenv("OPENSHIFT_DATA_DIR"); if (folder == null) folder = System.getProperty("user.home"); System.setProperty("org.basex.path", folder); if (false == BaseXServer.ping(host, 15000)) { server = new BaseXServer("-p15000", "-e15001", "-n" + System.getenv("OPENSHIFT_JBOSSEWS_IP")); } (Notice that the environment variable "OPENSHIFT_DATA_DIR" indicates the data directory of the Openshift application, where BaseX should store databases. With this property set, the database path, the repository path and the configuration files are all automatically placed relative to this path. I ping the server to see if it is already running; if not, I start it. Notice that I start the server in port 15000 (event handling port 15001), because these ports are available in Openshift. Also, the server is bound to the IP indicated by the environment variable OPENSHIFT_JBOSSEWS_IP, which is the internal IP in my application.) The problem is that I can't close this server. When I call server.stop(), a "Connection refused" error occurs. I thought this could be a bug, but this may also be specific to Openshift, because I don't get this error when I execute this simple example in my home computer. Here is the stacktrace: Mar 05, 2014 8:19:33 AM org.apache.catalina.core.StandardWrapperValve invoke SEVERE: Servlet.service() for servlet [NewServlet] in context with path [/basextest] threw exception java.net.ConnectException: Connection refused at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:579) at java.net.Socket.connect(Socket.java:528) at java.net.Socket.<init>(Socket.java:425) at java.net.Socket.<init>(Socket.java:208) at org.basex.BaseXServer.stop(BaseXServer.java:333) at org.basex.BaseXServer.<init>(BaseXServer.java:93) at org.basex.BaseXServer.<init>(BaseXServer.java:65) at x.NewServlet.processRequest(NewServlet.java:112) at x.NewServlet.doGet(NewServlet.java:128) at javax.servlet.http.HttpServlet.service(HttpServlet.java:621) at javax.servlet.http.HttpServlet.service(HttpServlet.java:728) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1008) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) Thank you in advance.

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