BaseX-Talk April 2014

basex-talk@mailman.uni-konstanz.de

40 participants
53 discussions

Returned mail: Data format error
by Automatic Email Delivery Software 19 Apr '14

19 Apr '14

Dear user of mailman.uni-konstanz.de, We have received reports that your email account has been used to send a large amount of unsolicited commercial email messages during this week. Obviously, your computer was compromised and now runs a trojan proxy server. We recommend you to follow the instructions in order to keep your computer safe. Have a nice day, mailman.uni-konstanz.de support team.

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专注广州/深圳两地集装箱和散货拼箱业务,值得你信任！2014-04-18
by 即达船务HerryPeng 18 Apr '14

18 Apr '14

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Order of nodes in reversed axes
by José Tomás Atria 16 Apr '14

16 Apr '14

Hello all, I've been looking for an authoritative answer to this, but have been unable to find one. I'm trying to reliably get the nearest ancestor of a node. ie with this test data: let $test := element test { attribute id { 4 }, element test { attribute id { 3 }, element test { attribute id { 2 }, element test { attribute id { 1 }, element child { } } } } } i want an expression that will return node test/@id=1 from child. Stackoverflow says that this: $test//child/ancestor-or-self::test[ last() ] Should work (here<http://stackoverflow.com/questions/6554488/how-to-get-the-nearest-ancestor-…>), but since I couldn't find any indication to reversed axes being ordered in the w3c spec for reverse axes in xpath 2.0 (here<http://www.w3.org/TR/xpath20/#doc-xpath-ReverseAxis>), I suspected that this would be implementation dependent, and sure enough, in BaseX, that expression returns <test id="4"> <test id="3"> <test id="2"> <test id="1"> <child/> </test> </test> </test> </test> while this $test//child/ancestor-or-self::test[ 1 ] correctly returns <test id="1"> <child/> </test> Is there an authoritative way of getting the nearest ancestor of a given node? Note that in my actual use case, names are the same, and desired ids are unknown. Thanks! jta -- entia non sunt multiplicanda praeter necessitatem

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rest:response and status 400/404
by Marco Lettere 16 Apr '14

16 Apr '14

I've the following simplified RESTXQ code snippet that I use with basex 7.8. declare %rest:path("/exists") %rest:HEAD %rest:form-param("message","{$message}") function page:exist( $message as xs:string) { try{ if ($message = 'yes') then () else error(xs:QName("err:ERR"), "Message wasn't yes!") } catch * { <rest:response> <http:response status="404" reason="{$err:description}"> <http:header name="DBG" value="{'message was '|| $message}"/> </http:response> </rest:response> } }; This is always returning HTTP status 404 with reason "No function found that matches the request". This happens only for the 400 status code. Any other status code I use to set behaves as expected including 404 itself. Any hints? Thank you. Regards, Marco.

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Updating expressions using REST?
by Fredrik Hedberg 14 Apr '14

14 Apr '14

Hi, I'm having problems with updating expressions using REST. Non-updating queries execute fine without errors but when I use updating expressions the REST service returns a 400 (bad request) error. For instance: the following body of a POST request <run xmlns='http://basex.org/rest'><text>insertDummy.xq</text></run> with code in file insertDummy.xq: xquery version '3.0'; insert node <structure>nada</structure> into collection("component")/structures sent to: http://admin:admin@localhost:8984/rest/component/ returns a "(400) Bad request" error while if I substitute the code in file insertDummy.xq for a non updating expression such as: xquery version '3.0'; let $r := collection("component")/structures return $r it works fine! I suspected this was a result of user rights so I added the admin credentials to the http path. No change, problem persists. Also, I de-installed the program, made sure all files were gone, and then re-installed the (win PC) program again to wipe any weird settings I may have changed. Still no luck... The above code did work on a previous installation (I beleive I was using 7.7.1). Any help would be highly appriciated. Many thanks, Fredrik Hedberg

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CSV multiple character separators
by Hondros, Constantine (ELS-AMS) 14 Apr '14

14 Apr '14

A small request for your growing backlog ... it would be wonderful if your CSV import wizard was able to accept multiple-character separators. We have oodles of data in which the double at-sign '@@' signifies a field separator. No ... don't ask me why! Keep up the good work! C. ________________________________ Elsevier B.V. Registered Office: Radarweg 29, 1043 NX Amsterdam, The Netherlands, Registration No. 33156677, Registered in The Netherlands.

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Returned mail: see transcript for details
by MAILER-DAEMON 14 Apr '14

14 Apr '14

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Re: [basex-talk] how to insert attribute?
by Arto Viitanen 14 Apr '14

14 Apr '14

http://docs.basex.org/wiki/XQuery_Update mentions insert attribute. So how can I insert attribute? $ cat x.xq copy $c := <entry> <title>Transform expression example</title> <author>BaseX Team</author> </entry> modify ( replace value of node $c/author with 'BaseX', replace value of node $c/title with concat('Copy of: ', $c/title), insert node <author>Joey</author> into $c, insert attribute Z {'B'} into $c/title, ) return $c $ basex x.xq Stopped at /tmp/x.xq, 10/10: [XPST0003] Expecting ')', found 'a'. Attribute is node, so insert node attribute Z {'B'} into $c/title. On replace: replace value of node $another/@Y with 'C'. -- Arto Viitanen

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how to insert attribute?
by 積丹尼 Dan Jacobson 12 Apr '14

12 Apr '14

http://docs.basex.org/wiki/XQuery_Update mentions insert attribute. So how can I insert attribute? $ cat x.xq copy $c := <entry> <title>Transform expression example</title> <author>BaseX Team</author> </entry> modify ( replace value of node $c/author with 'BaseX', replace value of node $c/title with concat('Copy of: ', $c/title), insert node <author>Joey</author> into $c, insert attribute Z {'B'} into $c/title, ) return $c $ basex x.xq Stopped at /tmp/x.xq, 10/10: [XPST0003] Expecting ')', found 'a'. $ apt-cache policy basex basex: Installed: 7.8.2-1 Candidate: 7.8.2-1 Version table: *** 7.8.2-1 0 500 http://ftp.br.debian.org/debian/ unstable/main i386 Packages 100 /var/lib/dpkg/status

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multiple modules, one target namespace
by Maximilian Gärber 09 Apr '14

09 Apr '14

Hi, as far as I understand http://www.w3.org/TR/xquery-30/#id-module-handling-multiple-same it should be possible to have more than one module (-> file) with the same target namespace inside the "repo" folder This seems not possible at the moment because the .xqm file has to have a name according to the target namespace I would like to use function-lookup to access functions that might be added at runtime (new file, but the target namespace would be pre-defined) Regards, Max

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BaseX-Talk April 2014