BaseX 9.4: The Summer Edition

> We are glad to give you Version 9.4 of BaseX, our XML framework, > database system and XQuery 3.1 processor: > > https://basex.org/ > > We have focused on rewriting and optimizing complex XQuery code and > speeding up your RESTXQ apps: > > WEB APPLICATIONS > - DBA: support for millions of log entries > - LOGTRACE option: write trace output to logs or STDERR > - rest:init: Full or partial initialization of RESTXQ cache > - basexhttp: register job services > > GUI > - result view: show number of results and result size > - Shift F4-F7: toggle search options (case, regeex, ..) > - Ctrl-Shift-B: jump to matching bracket > > XQUERY LOCKING > - single lock option for reading and updating queries > - Java bindings: annotation added for updating functions > > XQUERY FUNCTIONS > - convenience functions: json:doc, csv:doc, html:doc > - element names: convert:encode-key, convert:decode-key > - jobs:eval: option added for writing log entries > - session module: only create new sessions if required > > XQUERY PERFORMANCE > - boolean comparisons: flatten nested expressions > - boolean expressions: merge conjunctions > - comparisons: simplify operands with if expression > - database functions: always open at compile time > - databases: propagate to more expressions at compile time > - filters: inline context for single items > - filters: rewrite to simple maps > - FLWOR: inline where clauses into let clauses > - FLWOR: merge last with return clause, rewrite to simple map > - FLWOR: rewrite "return if ..." to "where ... return" > - fn:for-each, fn:filter: rewrite to FLWORs and filters > - if expression, EBV tests: simplify boolean tests > - lists, sets, logical expressions: flatten expressions > - lists: rewrite to union expressions > - logical expressions: apply more boolean algebra rules > - paths: remove redundant predicates > - predicates with name functions: rewrite to name tests > - predicates: merge expressions, discard redundant tests > - predicates: remove of superfluous and redundant tests > - set expressions: merge operands > - simple map: inline cast expressions > - simple maps: faster evaluation > - simple maps: merge operands > - simple maps: rewrite to paths, optimize for index access > - switch: rewrite to if expression > - types: skip redundant checks, promotions and conversions > > 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 >

On Tue, Jul 14, 2020 at 7:40 AM Christian Grün <christian.gruen at gmail.com> wrote: > We are glad to give you Version 9.4 of BaseX, our XML framework, > database system and XQuery 3.1 processor: > > https://basex.org/ > > We have focused on rewriting and optimizing complex XQuery code and > speeding up your RESTXQ apps: > > WEB APPLICATIONS > - DBA: support for millions of log entries > - LOGTRACE option: write trace output to logs or STDERR > - rest:init: Full or partial initialization of RESTXQ cache > - basexhttp: register job services > > GUI > - result view: show number of results and result size > - Shift F4-F7: toggle search options (case, regeex, ..) > - Ctrl-Shift-B: jump to matching bracket > > XQUERY LOCKING > - single lock option for reading and updating queries > - Java bindings: annotation added for updating functions > > XQUERY FUNCTIONS > - convenience functions: json:doc, csv:doc, html:doc > - element names: convert:encode-key, convert:decode-key > - jobs:eval: option added for writing log entries > - session module: only create new sessions if required > > XQUERY PERFORMANCE > - boolean comparisons: flatten nested expressions > - boolean expressions: merge conjunctions > - comparisons: simplify operands with if expression > - database functions: always open at compile time > - databases: propagate to more expressions at compile time > - filters: inline context for single items > - filters: rewrite to simple maps > - FLWOR: inline where clauses into let clauses > - FLWOR: merge last with return clause, rewrite to simple map > - FLWOR: rewrite "return if ..." to "where ... return" > - fn:for-each, fn:filter: rewrite to FLWORs and filters > - if expression, EBV tests: simplify boolean tests > - lists, sets, logical expressions: flatten expressions > - lists: rewrite to union expressions > - logical expressions: apply more boolean algebra rules > - paths: remove redundant predicates > - predicates with name functions: rewrite to name tests > - predicates: merge expressions, discard redundant tests > - predicates: remove of superfluous and redundant tests > - set expressions: merge operands > - simple map: inline cast expressions > - simple maps: faster evaluation > - simple maps: merge operands > - simple maps: rewrite to paths, optimize for index access > - switch: rewrite to if expression > - types: skip redundant checks, promotions and conversions > > 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 >