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5252 discussions

Namespace conflict in XQuery update
by alxarch 19 Sep '13

19 Sep '13

While trying to transform an xhtml document I ran into this general case: copy $ul := <ul xmlns="http://www.w3.org/1999/xhtml"> <li>item</li> <li>item</li> </ul> modify ( rename node $ul as QName("http://www.w3.org/1999/xhtml","ol"), insert node attribute class {"a"} into $ul ) return $ul which throws an "[XUDY0024] New namespaces conflict with each other." error. After reading the XQuery update facility recomendation it wasn't clear to me if this is supposed to happen. Do I *have* to use chained copy statements to achieve both renaming a node an inserting an attribute? Thanks, Alex

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Re: [basex-talk] New map syntax issue
by Daniël Knippers 19 Sep '13

19 Sep '13

Thank you for the swift reply Christian. Please do not feel obligated to let me know once this is fixed, it is not a blocking issue for me and I'm sure you can spend your time in better ways :-) I'm already glad it's been picked up this quickly. -- Daniël On Wed, Sep 18, 2013 at 9:28 PM, Christian Grün <christian.gruen(a)gmail.com>wrote: > Hi Daniël, > > the XQuery 3.1 grammar has not been finalized yet, but I agree that > our implementation is not what one would expect. I have tracked your > observation [1] and will let you know when a fix is available. > > Thanks, > Christian > > [1] https://github.com/BaseXdb/basex/issues/755 > > ___________________________ > > 2013/9/18 Daniël Knippers <dknippers(a)gmail.com>: > > Hi, > > > > Using the new map syntax of BaseX 7.7.1, I ran into this: > > > > let $m := { 'key':'val' } > > return $m('key') > > > > [XPST0003] Invalid key, simple expression expected. > > > > As it turns out, a space is required after the closing quote of the key. > > That is, the above example works fine when replacing 'key':'val' by > > 'key'<SPACE>:'val' > > > > This is not the case when using an integer key, i.e. this works fine: > > > > let $m := { 1:'val' } > > return $m(1) > > > > I'm not sure if this behavior is intentional, but I would guess it is not > > :-) > > > > Regards, > > Daniël > > > > _______________________________________________ > > BaseX-Talk mailing list > > BaseX-Talk(a)mailman.uni-konstanz.de > > https://mailman.uni-konstanz.de/mailman/listinfo/basex-talk > > >

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New map syntax issue
by Daniël Knippers 18 Sep '13

18 Sep '13

Hi, Using the new map syntax of BaseX 7.7.1, I ran into this: let $m := { 'key':'val' } return $m('key') [XPST0003] Invalid key, simple expression expected. As it turns out, a space is required after the closing quote of the key. That is, the above example works fine when replacing 'key':'val' by 'key'<SPACE>:'val' This is not the case when using an integer key, i.e. this works fine: let $m := { 1:'val' } return $m(1) I'm not sure if this behavior is intentional, but I would guess it is not :-) Regards, Daniël

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Re: [basex-talk] (no subject)
by Christian Grün 18 Sep '13

18 Sep '13

Hi Anand (cc @ basex-talk), > Yesterday, in the mailing list you have mentioned certain NEW fixes for > 7.7.1. > I am more concerned about > > CORE > ? OutOfMemory exceptions are avoided when building large databases > > > Can you explain it in details? I mean the size of "large databases"... John Best was so kind to point me to a bug in BaseX 7.7, which hindered the creation of index structures of larger databases (i.e., those document instances the size of which exceeded the system’s main memory). This error occurred whenever a newly built index structure was too large to fit in main memory. In this case, a partial index is written to disk, and the subsequent memory check was too strict and stopped further indexing. Hope this helps, Christian

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fn:format-number()#2 possible bug
by alxarch 18 Sep '13

18 Sep '13

There seems to be an unexpected behaviour whem using fn:format-number() while having declared a default element namespace in the prologue. Example: > declare default element namespace "http://foo.bar"; > format-number(1234, "0000") Throws an [FODF1280] 'Unknown decimal format: Q{http://foo.bar}' Am i missing something or is this a bug in the 2 argument form of fn:format-number? Thanks, Alex

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BaseX 7.7.1, refactored project structure
by Christian Grün 16 Sep '13

16 Sep '13

Dear all, you are invited to check out our minor 7.7.1 release, which contains the following patches and fixes: XQUERY • we have switched to the new map syntax (example: {'key':'value'}) • tail call optimization is now also applied to dynamic functions • fn:subsequence() calls and sequence casts are better optimized • original options are preserved when calling db:optimize() WEBDAV • non-breakable spaces are returned as   CORE • OutOfMemory exceptions are avoided when building large databases The new release can be found at: http://basex.org Next, we have refactored our project structure: all basex repositories have been merged into one single basex repository: https://github.com/basexdb/basex Your feedback is welcome! Have fun, Christian BaseX Team, 2013

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Adding non ".xml" file extension XML files
by Joe Templeman 15 Sep '13

15 Sep '13

I'm trying to add a collection of files which are all valid XML but when I'm doing the add with this command: db:add("db", "/data/xml/docs/", "docs") where /data/xml/docs contains a number of XML files with a .s9ml file extension, nothing gets added to the database, however if I rename that file.xml, it works. Is there somewhere I can set what file extensions should be used? I can't seem to find anything in any of the docs about this. Thanks, Joe

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Exception when using replace - UPDINDEX problem?
by James Ball 15 Sep '13

15 Sep '13

Hello, I've got a collection with about 1.4 million small XML files in it. I can load all these through the GUI with no problems. However really I need to be loading them, a few at a time, through PHP and have code to do this. Because the process involves add, query, add and so on I have set UPDINDEX to true on the database. In most instances everything works fine but sometimes I get the error below (it's not on particular documents, a second run will give the error in different places). Once this error has been received it seems the OPTIMIZE doesn't work properly on the database - giving an array out of range error. I don't understand the stack trace enough to know what the most likely cause is. Can anyone provide me with some guidance? Many thanks, James exception 'Exception' with message 'Improper use? Potential bug? Your feedback is welcome: Contact: basex-talk(a)mailman.uni-konstanz.de Version: BaseX 7.7 Java: Apple Inc., 1.6.0_51 OS: Mac OS X, x86_64 Stack Trace: java.lang.IllegalStateException: Key should not exist at org.basex.index.value.UpdatableDiskValues.index(UpdatableDiskValues.java:79) at org.basex.data.DiskData.indexEnd(DiskData.java:356) at org.basex.data.Data.insert(Data.java:817) at org.basex.core.cmd.Add.run(Add.java:107) at org.basex.core.Command.run(Command.java:345) at org.basex.core.Command.run(Command.java:117) at org.basex.core.cmd.Replace.run(Replace.java:68) at org.basex.core.Command.run(Command.java:345) at org.basex.core.Command.exec(Command.java:321) at org.basex.core.Command.execute(Command.java:78) at org.basex.core.Command.execute(Command.java:90) at org.basex.server.ClientListener.execute(ClientListener.java:386) at org.basex.server.ClientListener.replace(ClientListener.java:365) at org.basex.server.ClientListener.run(ClientListener.java:106) ' in /Library/WebServer/Documents/ISIS/BaseXClient.php:101 Stack trace: #0 /Library/WebServer/Documents/ISIS/BaseXClient.php(60): Session->sendCmd(12, 'ISIS_IND_BIO/IW...', '<?xml version="...') #1 /Library/WebServer/Documents/ISIS/uploadBioCli.php(79): Session->replace('ISIS_IND_BIO/IW...', '<?xml version="...') #2 {main}Processing file 358 /Users/jb8748/Documents/Data Auditing/ISIS_IND_BIO/IWF/-9458-.xml

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DB ~webdav
by France Baril 14 Sep '13

14 Sep '13

Hi, I deleted the ~webdav DB by error, and now I am getting an Unexpector error with this trace: DB org.basex.core.BaseXException: Database '~webdav' was not found. Doh! Is there a place I can download a copy of this DB? Or can you provide the parameters I should use to recreate it? Thanks, -- France Baril Architecte documentaire / Documentation architect france.baril(a)architextus.com (514) 572-0341

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Query document metadata
by Bodo Hüsemann 14 Sep '13

14 Sep '13

Hi, do we have any means in XQuery or with the Base-X API to query the age of a document? E.g. let's assume we add documents like this: mySession.add(inDocumentRef, new ByteArrayInputStream(inDocument)); Is there any way to query metadata when this document was added to the database (or other metadata, e.g. the size, too)? The background is that I access external content dynamically and I want to refresh data in the DB according to some defined update strategy (e.g. when the document is older than x-days). I want to apply the strategy based on metadata and not on content, so I don't want to query some document specific elements or attributes. Many thanks in advance! Bodo Hüsemann

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