BaseX-Announce

basex-announce@mailman.uni-konstanz.de

103 discussions

BaseX 9.2: The Spring Edition
by Christian Grün 16 Apr '19

16 Apr '19

Dear all, We are more than pleased to announce version 9.2 of BaseX, our XML framework, database system and XQuery 3.1 processor: http://basex.org/ This time, we have put a special focus on performance improvements: XQUERY PERFORMANCE - comparisons will more often be rewritten to hash joins - optimized access to subsequences and single sequence items - consistent propagation of static types to evaluation results - improved static typing of function items (maps, arrays) - more aggressive pre-evaluation at compile time STORAGE PERFORMANCE - large databases will be opened faster - regular storage offset will be computed at runtime GENERAL XQUERY FEATURES - no need to import basex-api modules anymore! - Archive Module: archive:create-from, new options - Database Module: directory-based access via db:dir - Profiling Module: new functions (prof:gc, prof:runtime) - Validation Module: assign XSD validation features - WebSocket Module: query scheduling via ws:eval - Utility Module: various new helper functions - XSLT Module: support for XML Catalogs (thank you Liam) NEW OPTIONS - RESTXQERRORS: Suppress parsing errors at runtime - FULLPLAN: comprehensive query plan information FULLTEXT FEATURES - stemmer for Arabic texts added USER INTERFACES - GUI: better support for latest JDK versions (incl. OpenJDK) - DBA: revised search features in log panel For a more comprehensive list of added and updated features. please check out our documentation: http://docs.basex.org/. We are looking forward to your feedback. Have fun with the new release, Your BaseX Team

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BaseX 9.1.2: Maintenance Release
by Christian Grün 23 Jan '19

23 Jan '19

Hi all, A new BaseX maintenance release is available. Minor bugs have been fixed, and some performance tweaks have been added. In particular, access to large WebDAV directories should be faster now. As usual, you find the latest version on our homepage basex.org. Maven artifacts have been added, various other distributions will follow soon. Have fun everyone, Christian, BaseX Team

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BaseX 9.1.1
by Christian Grün 14 Dec '18

14 Dec '18

Hi all, we are glad to provide you with version 9.1.1 of BaseX! It’s actually more than just a maintenance release: XQuery: - Comprehensive rewritings of positional predicates and functions - Higher-order functions: Improved type inference - Improved rewriting of context-based and/or nested predicates Java Bindings: - Faster access to and evaluation of Java functions and variables - Improved pre-selection of function candidates at compile time - Better error messages (incl. function arity and similar names) DBA: - Settings: user-defined pattern for ignoring log entries - Login: pass on URL query strings Minor improvements: - Import: detect epub files as ZIP archives - Digest Authentication: No delay after first request - GUI, Preferences: user-defined choice of XML suffixes The new version is online: http://basex.org/ Looking forward to your feedback as usual. Have a nice time, Christian

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BaseX 9.0: The Spring Edition!
by Christian Grün 31 Oct '18

31 Oct '18

Dear BaseX aficionados, We are very happy to announce the release of BaseX 9.0! The new version of our XML database system and XQuery 3.1 processor includes some great new features and a vast number of minor improvements and optimizations. It’s both the usage of BaseX in productive environments as well as the valuable feedback of our open source users that make BaseX better and better, and that allow and motivate us to keep going. Thanks to all of you! Along with the new release, we invite you to visit our relaunched homepage: http://basex.org/. Java 8 is now required to run BaseX. The most prominent features of Version 9.0 are: XQUERY - Comprehensive extensions in the internal XQuery optimizer framework - Dynamic hash joins rewritings of general comparisons - Register query jobs as persistent services - Process very large CSV files via the new CSV 'xquery' format - Update Module: higher-order functions for performing updates - Unified static typing, including maps, arrays and function items - COPYNODE: Lightweight copying of XML fragments - ENFORCEINDEX: Enforce rewriting for index access STORAGE - Improved database compression (short strings, whitespaces) WEB APPLICATIONS - Permissions layer: Unified definition of RESTXQ access patterns - RESTXQ: Full support for client- and server-side quality factors - REST: Run BaseX command scripts - Web server upgrade to Jetty 9 REPOSITORIES - Combined packaging mechanism (XQuery and Java) - Java Packaging: Bundling of additional libraries DISTRIBUTIONS - Revised detection and configuration of BaseX home directory - Windows executable: better detection of Java libraries DBA: BASEX DATABASE ADMINISTRATION - Improved editing and evaluation of XQuery modules - Revised file, session and job management More details can be found on our homepage. We are looking forward to your feedback. Enjoy and have fun, Christian, BaseX Team

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BaseX 9.0.2: New Maintenance Release
by Christian Grün 31 May '18

31 May '18

Hi all, A new BaseX maintenance release is available! Please visit http://basex.org to download the latest version. These are the changes: Critical bug fixes: - XQuery: Node ordering of mixed database/fragment instances - XQuery: Index rewritings of paths with nested positional predicates Improvements: - WebDAV: Much faster locking of database resources - XQuery: Enable ENFORCEINDEX for variable predicate arguments - GUI: Larger interaction components, unified font sizes Minor Bug fixes: - DBA: Suppress menu on login page - Commands: Nested evaluation with variable bindings - XQuery: Static typing of lookup expressions Enjoy, Christian

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BaseX 9.0.1: Bug Fixes, Improvements
by Christian Grün 24 Apr '18

24 Apr '18

Dear all, Welcome to our first BaseX 9.01 maintenance release: http://basex.org/ An update is highly recommended: The major release had a critical bug, regarding the storage of short non-ASCII Unicode strings. This is the 9.0.1 changelog: CRITICAL BUG FIXES * Storage: short strings with extended Unicode characters fixed * XQuery: nested path optimizations reenabled (e.g. in functions) * XQuery: map:merge, size computation fixed * XQuery: node ordering across multiple database instances fixed IMPROVEMENTS * GUI: Better Java 9 support (DPI scaling, font rendering) * XQuery, collections: faster document root tests * New R client. Thanks Ben Engbers! * Linux: exec command used in startup scripts MINOR BUG FIXES * XQuery: Allow interruption of tail-call function calls * XQuery, HTTP parsing of content-type parameters * XQuery, restrict rewriting of filter to path expression * GUI: progress feedback when creating databases via double-click Have fun everyone, Christian

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BaseX 9.0 (still to come): Improved text compression
by Christian Grün 01 Feb '18

01 Feb '18

Hi all, with version 9.0 of BaseX, texts will be better compressed than before. Short strings and whitespace text nodes will be inlined in our main storage, instead of being stored in an extra heap file as before. This will particularly be helpful when perfoming mass updates on short strings (replace 'yes' to 'no', etc.), and your future BaseX database will get even smaller [1]. Obviously, BaseX 9.0 databases cannot opened anymore with older versions. However, BaseX will be 100% backward compatible, so there will be no need to export and recreate your existing database instances. Instead, all future updates you perform will use the new compression feature; and if you run a complete optimize, all existing texts will be reduced as well. All the best, Christian [1] https://github.com/BaseXdb/basex/issues/1536

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Web Applications: permission handling
by Christian Grün 18 Jan '18

18 Jan '18

Hi everyone, With BaseX 9.0, permission handling in web applications will be further simplified. We have just finalized a new light-weight permission layer that allows you to: • attach permission strings to RESTXQ functions and • disallow evaluation of such functions via annotated security functions. More details can be found in the documentation [1]. Thanks to those who gave helpful feedback! A new snapshot is available [2]; the DBA has already been rewritten to take advantage of the new annotations. In future versions, we might provide built-in support for various authentication methods (LDAP, OAuth, etc.), and the permission layer could possibly be extended to the other BaseX APIs as well. Looking forward to your feedback, Christian [1] http://docs.basex.org/wiki/Permissions [2] http://files.basex.org/releases/latest/

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Moving on to Java 8?
by Christian Grün 27 Sep '17

27 Sep '17

Dear all, Java 9 has just been released. As you may know, the BaseX code base is still compatible with Java 7, because version 7 is still used in the wild (we even got various user complaints when we upgraded from Java 6 just a few years ago). There are several reasons why we will move along to Java 8 in the near future: * It is more and more unsafe to use Java 7, because Oracle has stopped support two years ago. * From the developer point of view, there are only advantages when working with more recent versions of a software: newer language features and standard libraries can be used, the code base can be reduced, etc. * We would like to switch to the newest version of Jetty, which requires Java 8. Before we approach further, we are interested in hearing your reactions: Do you still work with Java 7? Would some of you require longtime support for Java 7? Thanks in advance and all the best, Christian

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BaseX 8.6.7
by Christian Grün 21 Sep '17

21 Sep '17

Hi all, As we’ll tackle BaseX 8.7 in the next weeks, we’ve released yet another patch release today [1]. As usual, it contains minor performance tweaks (better typing in FLWOR expressions) and bug fixes (pre-evaluation of fn:tail, GUI XQuery highlighting). Have fun, Christian [1] http://basex.org/download/

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BaseX-Announce