BaseX-Talk

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7 participants
5254 discussions

Strange behaviour with db:copy and put-value
by Marco Lettere 12 May '25

12 May '25

Dear all, running 11.7 I'm trying to rename some resources that have been inserted into a database with db:put-value(). Uncommenting and executing single lines of the following sequence [1] I get the output in [2] for the first db:list-details but the output in [3] for the second list-details. It somehow has to do with multiple renaming because if I rename the resources one by one this doesn't seem to happen. Could you provide some insight? Thank you, Marco. [1] (:db:create("test"):) (:db:put-value("test", <a/>, "first/a"), db:put-value("test", <b/>, "first/b"):) (:db:list-details("test", "first"):) (:db:rename("test", "first", "second"):) (db:list-details("test")) [2] <resource type="value" content-type="application/octet-stream" modified-date="2025-05-12T12:42:35.403Z" size="7">first/a</resource> <resource type="value" content-type="application/octet-stream" modified-date="2025-05-12T12:42:35.403Z" size="7">first/b</resource> [3] <resource type="value" content-type="application/octet-stream" modified-date="2025-05-12T12:37:24.563Z" size="7">second.basex/a</resource> <resource type="value" content-type="application/octet-stream" modified-date="2025-05-12T12:37:24.564Z" size="7">second.basex/b</resource>

2 1

Stemming and Italian
by Marco Lettere 12 May '25

12 May '25

Dear all, as stated in the documentation for fulltext, since I have lucene-3.4.0 jar file in the lib directory of BaseX (and thus in its classpath which is java -cp [...]/basex/BaseX.jar:[...]/basex/lib/custom/*:[...]/basex/lib/*: -Xmx2g org.basex.BaseXGUI) I was expecting the following query to return true() "cammina" contains text "camminare" any word using stemming using language "it" (: tried also with Italian:) But I always get false() with any combination whereas it works neatly with embedded English and German. Ho can I understand if stemming is actually used and in case with what language. Thanks for your support, Marco.

2 1

help
by 林晓东 12 May '25

12 May '25

unsubscribe -- 此致林晓东莫愁前路无知己，天下谁人不识君。

1 0

Compatibility of BaseX Java library between versions
by Matt Dziuban 05 May '25

05 May '25

Hello, I run a BaseX server and connect to it in code using the org.basex:basex Java library hosted on https://files.basex.org/maven, specifically using the ClientSession <https://github.com/BaseXdb/basex/blob/11.9/basex-core/src/main/java/org/bas…> and ClientQuery <https://github.com/BaseXdb/basex/blob/11.9/basex-core/src/main/java/org/bas…> classes. I'm wondering about the compatibility between the BaseX server and client versions. For example, if the BaseX server is running v11.8, but my code uses v11.9 of the Java library, am I likely to run into any issues? Thanks in advance, and congratulations on the 11.9 release! Matt

2 2

Recovering database in bad state
by Eliot Kimber 01 May '25

01 May '25

I have a database that shows having the expected 2 documents in it in the DBA databases list but when I go to the database in the DBA it shows 0 items. I think this is because the database was being written to and something happened that left it in a bad state. Is there any possibility of recovering this database so it is usable? The practical problem is that it takes several hours to populate this database, so recovering it rather than attempting another multi-hour load would be nice. Here’s what I see for files in the database’s directory on the server: -rw-r--r-- 1 eliot.kimber.adm domain users 73039559 Apr 18 14:50 atv.basex -rw-r--r-- 1 eliot.kimber.adm domain users 7544382 Apr 18 14:52 atvl.basex -rw-r--r-- 1 eliot.kimber.adm domain users 2730980 Apr 18 14:52 atvr.basex -rw-r--r-- 1 eliot.kimber.adm domain users 236 Apr 18 04:17 ftxx.basex -rw-r--r-- 1 eliot.kimber.adm domain users 218072 Apr 18 04:17 ftxy.basex -rw-r--r-- 1 eliot.kimber.adm domain users 1603678 Apr 18 04:17 ftxz.basex -rw-r--r-- 1 eliot.kimber.adm domain users 15 Apr 18 04:17 idp.basex -rw-r--r-- 1 eliot.kimber.adm domain users 15193 Apr 18 04:17 inf.basex -rw-r--r-- 1 eliot.kimber.adm domain users 67 Apr 18 04:17 pth.basex -rw-r--r-- 1 eliot.kimber.adm domain users 28 Apr 18 04:17 swl.basex -rw-r--r-- 1 eliot.kimber.adm domain users 83701760 Apr 18 14:52 tbl.basex -rw-r--r-- 1 eliot.kimber.adm domain users 9 Apr 18 04:17 tbli.basex -rw-r--r-- 1 eliot.kimber.adm domain users 112380335 Apr 18 14:52 tokl.basex -rw-r--r-- 1 eliot.kimber.adm domain users 2829520 Apr 18 14:52 tokr.basex -rw-r--r-- 1 eliot.kimber.adm domain users 1718692 Apr 18 04:17 txt.basex -rw-r--r-- 1 eliot.kimber.adm domain users 351326 Apr 18 04:17 txtl.basex -rw-r--r-- 1 eliot.kimber.adm domain users 285610 Apr 18 02:38 txtr.basex -rw-r--r-- 1 eliot.kimber.adm domain users 0 Apr 18 04:18 upd.basex In the Databases list I see: _temp_lrk_yokohama_link_records<http://mirabel.corp.service-now.com:8984/dba/database?name=_temp_lrk_yokoha…> 2 274 MB 2025-04-18, 14:52:42 But then when I go to the database itself it just say “0 entries”. Thanks, Eliot _____________________________________________ Eliot Kimber Sr. Staff Content Engineer O: 512 554 9368 servicenow servicenow.com<https://www.servicenow.com> LinkedIn<https://www.linkedin.com/company/servicenow> | X<https://twitter.com/servicenow> | YouTube<https://www.youtube.com/user/servicenowinc> | Instagram<https://www.instagram.com/servicenow>

3 11

inspect:functions
by Rob Stapper 01 May '25

01 May '25

Hi, I want to make use the 'inspect:functions'-function but whatever I do I always get this error: ' [inspect:parse] Stopped at C:/Users/Rob/Projecten/SemanticWorldModel/repo/SWM.main/content/IMPLEMENTATION-DOMAIN/reverseArrayIterator.xqm, 4/27: [XQST0049] Duplicate declaration of static variable .........' It looks like the function traverse all through the module structure following the module imports. And when it encouters a cyclic situation, which is not abnormal within a module structure, the function trigers this error. I think it should just stop on that branche because obviously the model has already been processed. Maybe even, the function should not iterate through the module structure at all, just returning the functions of the requested module. Maybe I'm just doing things wrong here. Can you please shed some light on how to prevent this error when using 'inspect:functions'? Some background for this madness: I want to annotate my FunctionDataStructure, dataStructures as functioncallparameterset, with the name of the module that contains the functions for this type/class of data (class and methods in OO). Thanks in advance for your responce. mvgr. Rob Stapper

2 6

BaseX 11.8: Lightning fast maps, new XQuery 4 features
by Christian Grün 30 Apr '25

30 Apr '25

We are delighted to announce BaseX 11.8, one more important step to the next major version. Here are the most significant changes: - [MOD] Lightning fast construction of ordered maps of all types - [MOD] fn:distinct-values, fn:duplicate-values: faster comparisons - [MOD] Faster map comparison (ordered and unordered) - [ADD] New function util:values-except - [ADD] XQuery 4.0 functionality (functions, %method annotation) - [MOD] XQuery fold functions: more early exits - [MOD] XQuery, fn:parse-xml: options added - [MOD] prof:variables: Better capture of in-scope variables - [FIX] Stricter permission checks when calling built-in functions For a preview of the upcoming 12 features, please visit the following page… https://docs.basex.org/12 …and have a look at our homepage to download the latest version: https://basex.org Have fun, Your BaseX Team

2 3

Problem in Java extension module
by Nico Verwer (Rakensi) 24 Apr '25

24 Apr '25

Greetings, BaseX creators and users! I am trying to make a custom XQuery function in Java. This works fine in most cases, but it seems to lose namespaces on attributes. The Java code in the function converts the BaseX representation of an element into a `org.w3c.dom.Element` DOM; transforms the DOM, creating a new DOM; sends the resulting DOM element back to BaseX. The problem is quite subtle and hard to explain in a few sentences. Therefore I have made a project demonstrating it, which can be seen on [Github](https://github.com/nverwer/possible-bug-in-BaseX). The project includes Java code and a simple XQuery that demonstrates the problem. I am at the point where I think the problem could be a bug in BaseX, which is why I thought it would be a good idea to post this to the basex-talk mailing list. If someone with more knowledge of the inner workings of BaseX could help me, I would much appreciate. Best regards, Nico Verwer

3 2

Way to record node IDs that does not depend on database name?
by Eliot Kimber 22 Apr '25

22 Apr '25

In my long-running data load process that appears to fail, I’ve found the issue but I don’t see an obvious way to correct it. My process creates a temporary content database that contains the latest content version of content previously loaded. This temp database is then the source for a process that creates a set of where-used index records in another database that point to the nodes in the temp content database by node ID. The node-recording elements look like this: <noderef node-id="43617" database="pce-test-data" tagname="mapref" baseuri="/pce-test-data/encryption-support.ditamap" href="cloud-encryption.ditamap" /> Note the “database” attribute: it’s the name of the database the node ID is from. After the process as completed constructing all the where-used records and is ready to swap these new databases into production, I have an XSLT transform that updates the values of the @database attributes to replace the temporary database name with the production name (i.e., remove leading “_temp_” from the database name. I then swap the temp databases in place of the old databases, putting the new data into production. This works fine at small scales, but when I attempt it with my 200K-link database, the XSLT transform either simply never completes or fails in the backgroujnd or would take so long to complete that it would be impractical. In any case, this approach does not work for my full-scale case ☹ So my question is: How can avoid this need to update my node reference elements to reflect the new database name? One solution that comes to mind is simply not recording the database name on the <noderef> element but somewhere else, say in the root element of the document that contains the <nodere>, but that requires that all the <noderef> elements in that context target the same database, which will be true in this case but might not be true in the future (I had designed <noderef> to enable mixing references to nodes in different databases). I could also have the code that’s creating these where-used records manage the prod-to-temp database name dynamically (and that may be my best solution the more I think about it) but starts to look like magic and I try to avoid magic code. So a solution that is less fragile would be ideal. Changing the value requires an update of some sort, whether it’s via XSLT or XQuery update, it’s going to be problematic at this scale. Is there any solution I’ve overlooked? Thanks, Eliot _____________________________________________ Eliot Kimber Sr. Staff Content Engineer O: 512 554 9368 servicenow servicenow.com<https://www.servicenow.com> LinkedIn<https://www.linkedin.com/company/servicenow> | X<https://twitter.com/servicenow> | YouTube<https://www.youtube.com/user/servicenowinc> | Instagram<https://www.instagram.com/servicenow>

2 2

Runtime error from DBA log viewer
by Eliot Kimber 19 Apr '25

19 Apr '25

Trying to view today’s log, I get this runtime failure: Stopped at /data1/basex/webapp/dba/logs/logs.xqm, 220/25: [FORG0001] Cannot convert to xs:decimal: 3.4345182E+8. Stack Trace: - /data1/basex/webapp/dba/logs/logs.xqm, 157/10 266.98 ms I can provide the log file separately. This is with BaseX 11.6 Cheers, Eliot _____________________________________________ Eliot Kimber Sr. Staff Content Engineer O: 512 554 9368 servicenow servicenow.com<https://www.servicenow.com> LinkedIn<https://www.linkedin.com/company/servicenow> | X<https://twitter.com/servicenow> | YouTube<https://www.youtube.com/user/servicenowinc> | Instagram<https://www.instagram.com/servicenow>

1 0

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