BaseX-Talk

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5251 discussions

Waiting For Commands to Complete
by Adrien Guillon 13 Mar '10

13 Mar '10

I didn't see it in the documentation, and I've been looking through example programs to find this out. How do I wait for a command to complete? For instance, I'm attempting to do an Export with the BaseX Java API. What I don't understand is how I can block execution until the command is finished... I looked quickly at Process and the Context class and did not find anything revealing.

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Information
by ganeshk＠21chms.com 11 Mar '10

11 Mar '10

Hello, First of all your team has done a great job of creating BaseX, pretty impressed with it. Now to the point for writing this mail. We into Healthcare solutions for past 25 years, myself technical leader has got a task of finding tool for our xml data fetching. We have got xml data (in sqlserver and Oracle also), Which can contain plain text, Image, RTF also. in sql server or oracle we write queries it is fine but when it comes for analysis kind of thing it tumbles down. So we were planning to have an XML server which will contain the code and the xml data and that can be queried. Couple of questions. 1] Can i directly import data to BaseX from queries or does it require to be in xml file or can it be a string also. 2] Is relational query possible, in xml we got a sort of table structure (if required can send the dataxml file for reference) 3] How much load can BaseX take because the xml file content will be say 1 to 2 mb max, but there will be millions of records. 4] Is there any .Net api too (not a constraint but just curious). Hope i made sense. Awaiting your quick response. Thanks Ganesh K

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RESTful BaseX
by Christian Grün 11 Mar '10

11 Mar '10

Dear all, in the "basex-api" package of our Subversion and Maven repository, you find a preliminary implementation of our soon-to-be-released REST API: http://www.inf.uni-konstanz.de/dbis/basex/maven/org/basex/basex-api/6.0.4/ http://svn.uni-konstanz.de/dbis/basex/trunk/api/src/main/java/org/basex/api… The runnable test class is: org.basex.api.jaxrx.StartJAXRX You can play around with the following URLs: – Root directory: http://localhost:8984/ – List of databases: http://localhost:8984/basex/jaxrx/db – Perform a factbook query: http://localhost:8984/basex/jaxrx/db/factbook?query=//name Beside the GET operation, PUT, POST, and DELETE are implemented as well. The API is built upon JAX-RX, a new REST interface layer for XML databases: https://sourceforge.net/projects/jax-rx Documentation and more examples will follow soon. As usual, testing and feedback is welcome! Christian ___________________________ Christian Gruen Universitaet Konstanz Department of Computer & Information Science D-78457 Konstanz, Germany Tel: +49 (0)7531/88-4449, Fax: +49 (0)7531/88-3577 http://www.inf.uni-konstanz.de/~gruen

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Information
by ganeshk＠21chms.com 11 Mar '10

11 Mar '10

2 1

xmldb for other program languages
by Philipp Kamps 10 Mar '10

10 Mar '10

Hi, how could I connect to a BaseX server with PHP? I probably could implement a "PHP to Java wrapper" around BaseX xml:db or XQJ. Would a direct communication to the BaseX server make more sense? So open a socket in PHP and implement a PHP API on top of the protocol BaseX uses? I tried to gather some info about that protocol but couldn't find much. What's your recommendation? Should I drop that idea completely? Regards, Philipp

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Re: [basex-talk] URL connection for Geo code service
by Christian Grün 09 Mar '10

09 Mar '10

Thanks Erol, an important hint; the bug should now be fixed. Christian ps: as this might be interesting for others as well, I have forwarded this answer to the basex-talk mailing list. On Tue, Mar 9, 2010 at 7:30 PM, Erol Akarsu <eakarsu(a)gmail.com> wrote: > Christian, > > I would like to execute Google geocode service like this in xquery but > receiving error: > > let $url1 := > "http://maps.google.com/maps/geo?q=618+Bland+Blvd,+Newport+News,+VA+23602&am…" > > return fn:doc($url1) > > > Error: [FODC0002] > C:\Users\ErolAkarsu\BaseXData\geo?q=618+Bland+Blvd,+Newport+News,+VA+23602&output=xml&sensor=false&client-gme-ferguson\tbl.basex > (The filename, directory name, or volume label syntax is incorrect) > > Can you give a hint on how I can achieve this? > > Thanks > > Erol Akarsu ___________________________ Christian Gruen Universitaet Konstanz Department of Computer & Information Science D-78457 Konstanz, Germany Tel: +49 (0)7531/88-4449, Fax: +49 (0)7531/88-3577 http://www.inf.uni-konstanz.de/~gruen

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session not associated with database
by Swaminathan S 09 Mar '10

09 Mar '10

Hi, In a client-server interaction with BaseX database, I see the ClientSession object is not associated with a database, in the usual manner(Usually, a session is established with a particular database at session creation time). Please let me know if my understanding is right: When we I do the following: *Line 1*: ClientSession session = new ClientSession("localhost", 1984, "admin", "admin"); *Line 2*: session.execute("OPEN databaseA"); *Line 3*: session.execute("XQUERY <some xquery>"); *Does "Line 2" bind the session with databaseA?(*So, I am assured that Line 3 executes on databaseA?) Thanks and regards, Swaminathan Sahiram

2 1

XQuery - Collections support
by Christian Grün 09 Mar '10

09 Mar '10

Hi everyone, as we are frequently being asked how documents can be added to existing collections via XQuery Update – which isn't possible right now – you might be interested to hear that XQuery could be extended into that direction in future. The following paper shows a discussed extension: "Extending XQuery with Collections, Indexes, and Integrity Constraints" http://www.flworfound.org/publications.shtml Best, Christian ___________________________ Christian Gruen Universitaet Konstanz Department of Computer & Information Science D-78457 Konstanz, Germany Tel: +49 (0)7531/88-4449, Fax: +49 (0)7531/88-3577 http://www.inf.uni-konstanz.de/~gruen

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Multiple Request Handling by BaseX
by Swaminathan S 09 Mar '10

09 Mar '10

Hi, Suppose BaseX receives several requests(updates/queries) (on same or different xml) almost simultaneously, how will BaseX handle this? I mean does BaseX queue all requests and process one by one or the application querying BaseX needs to ensure that a second request does not reach BaseX till the first request is completed by BaseX? Since I am working on an application that handles operations for multiple xmls parallely, I need to design the concurrency aspect. Thanks and regards, Swaminathan S

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version 6.03 details
by Swaminathan S 09 Mar '10

09 Mar '10

Hi, I would like to know: 1) the features and fixes in version 6.03 (versus version 6.0) 2) Is version 6.03 as stable as/better than version 6.0? (we are considering to migrate to the latest minor release). Thanks, Swaminathan Sahiram

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