BaseX-Announce February 2021

basex-announce@mailman.uni-konstanz.de

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BaseX 9.4.2: Tweaks & Fixes
by Christian Grün 02 Apr '21

02 Apr '21

Dear all, We have released another 9.4 late-summer maintenance release with new performance tweaks and minor bug fixes: http://basex.org In addition, we have started a new Wiki article on XQuery optimizations, which we plan to extend step by step: https://docs.basex.org/wiki/XQuery_Optimizations We are looking forward to your feedback; have fun, Your BaseX Team

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BaseX 9.5: The Spring Edition
by Christian Grün 25 Feb '21

25 Feb '21

Dear all, we are more than happy to provide you with a new and fresh version of BaseX, our XML framework, database system and XQuery 3.1 processor: https://basex.org/ BaseX is getting faster and faster! We have spent most of our time on query rewritings and optimizations, which will speed up the execution of your XQuery code and RESTXQ apps. You can find various other new enhancements in our release: RESTXQ - the client IP address behind a proxy is added to the logs - stack traces in the error message can now be suppressed - the default error code has been changed from 400 to 500 - error messages are more user-friendly now (#1708) - content negotiation was improved (#1991) - inline arguments of called function (#1982) XQUERY FUNCTIONS - Utility: new functions for sequences, arrays and maps - Higher-Order Functions: hof:drop-while - Jobs: More options for job intervals XQUERY PERFORMANCE - revised scoring propagation (all items will take less memory) - default function inlining limit reduced from 100 to 50 - axis path rewritings, better typing (#1910, #1976, #1979) - better typing (#1906, #1908, #1909, #1944, #1945) - faster data()/string() checks (#1975) - rewrite map:merge to map:put (#1969) - rewrite order by to fn:sort (#1966) - rewrite group by to fn:distinct-values (#1932) - rewrite quantifiers to FLWOR expressions (#1961) - optimizations of arithmetic expressions (#1938, #1972) - optimizations of lookup operator (#1929, #1984) - optimizations of counts (#1965, #1973, #1974) - optimizations of regular lists (#1919, #1924) - optimizations of switch expression (#1920) - optimizations of instance of (#1939) - distinct values (#1930, #1967) - positional checks (#1937) - existence checks (#1971) For a more comprehensive list of added and updated features, check out our documentation (docs.basex.org) and check out the GitHub issues (github.com/BaseXdb/basex/issues). Have fun, Your BaseX Team

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BaseX-Announce February 2021