{"id":182581,"date":"2026-07-10T10:53:26","date_gmt":"2026-07-10T08:53:26","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/pgrust-klon-postgresql-na-rust-prohodyashhij-vse-regressionnye-testy"},"modified":"2026-07-10T10:53:26","modified_gmt":"2026-07-10T08:53:26","slug":"pgrust-klon-postgresql-na-rust-prohodyashhij-vse-regressionnye-testy","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/pgrust-klon-postgresql-na-rust-prohodyashhij-vse-regressionnye-testy","title":{"rendered":"pgrust \u2014 en klon af PostgreSQL skrevet i Rust, der best\u00e5r alle regressions-testene","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Projektet pgrust er blevet offentliggjort, med implementering af PostgreSQL-databasen omskrevet i Rust ved hj\u00e6lp af c2rust-translat\u00f8ren og AI-assistenten. Det er angivet, at projektet endnu ikke er klar til brug i arbejdsmilj\u00f8er, men det best\u00e5et allerede alle regressions tests for PostgreSQL, er kompatibelt med dataopbevaringsformatet i PostgreSQL 18.3 og kan bruge datakatalogen fra PostgreSQL 18.3. Projektets kode distribueres under AGPLv3-licensen, i mods\u00e6tning til den originale PostgreSQL, som leveres under en permissiv PostgreSQL-licens, der ligner BSD- og MIT-licenserne. Der er tilg\u00e6ngelig en online demonstration af funktionaliteterne, baseret p\u00e5 en opbygning i WebAssembly, samt et docker-image for hurtig opstart.      <\/p>\n<p>M\u00e5let med udviklingen n\u00e6vnes at v\u00e6re at opn\u00e5 fuld kompatibilitet med PostgreSQL 18.3, samt at udf\u00f8re eksperimenter med at \u00e6ndre den interne struktur og skabe en version af PostgreSQL, der er fri for de arkitektoniske begr\u00e6nsninger, som ikke kan overvindes af historiske \u00e5rsager. Projektet best\u00e5et en r\u00e6kke p\u00e5 mere end 46.000 regressions tests for PostgreSQL, men er endnu ikke kompatibelt med PostgreSQL-udvidelser, giver ikke de \u00f8nskede ydeevneoptimeringer og implementerer ikke fuldt ud de procedurale sprog PL\/Python, PL\/Perl og PL\/Tcl.      <\/p>\n<p>Fremtidsplaner:  <\/p>\n<ul>\n<li class=\"l\"> Overgang til en multitr\u00e5det intern arkitektur.\n<li class=\"l\"> Implementering af forbindelsespooling.\n<li class=\"l\"> Optimering til arbejdsprocesser, der aktivt bruger JSON.\n<li class=\"l\"> Mulighed for at skabe kopier og grene af databaseelementer i Copy-on-Write-tilstand uden at kopiere data.\n<li class=\"l\"> Eksperimenter med en arkitektur, der ikke kr\u00e6ver udf\u00f8relse af VACUUM-operationen.\n<li class=\"l\"> Et system til SQL-foresp\u00f8rgselsbegr\u00e6nsninger, der g\u00f8r det muligt at blokere overforbrug af ressourcer ved udf\u00f8relse af d\u00e5rligt udf\u00f8rte foresp\u00f8rgsler.\n<li class=\"l\"> Beskyttelse mod skift af optimeringsstrategi til mindre effektive udf\u00f8relsesplaner.    <\/ul>\n<p>If\u00f8lge projektets forfatter er der i \u00f8jeblikket arbejde i gang med den n\u00e6ste version af pgrust, hvor der i stedet for en pool af arbejdsprocesser implementeres en multitr\u00e5det model til behandling af forbindelser, samt at der anvendes yderligere optimeringer s\u00e5som batchbehandling af r\u00e6kker i tabeller og forudindl\u00e6sning af data. Under test med v\u00e6rkt\u00f8jet percona-tpcc viste den nye version af pgrust sig at v\u00e6re 50% hurtigere end standard PostgreSQL ved behandling af transaktioner, og ved behandling af analytiske foresp\u00f8rgsler \u2014 300 gange hurtigere.      <\/p>\n<p>Ved overs\u00e6ttelse til Rust blev der anvendt en hybrid tilgang, hvor PostgreSQL-koden f\u00f8rst blev behandlet ved hj\u00e6lp af overs\u00e6tteren c2rust, som genererer en unsafe-repr\u00e6sentation af Rust, t\u00e6t p\u00e5 strukturen af den oprindelige C-kode. Efter behandlingen i c2rust blev der oprettet omkring 1000 crate-pakker, som blev oversat til idiomatisk Rust ved hj\u00e6lp af AI-modellen Claude og v\u00e6rkt\u00f8jet Conductor til fordeling af opgaver blandt samtidig k\u00f8rende subagenter.<br \/>\n<br \/>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65879\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u043f\u0440\u043e\u0435\u043a\u0442 pgrust \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0421\u0423\u0411\u0414 PostgreSQL, \u043f\u0435\u0440\u0435\u043f\u0438\u0441\u0430\u043d\u043d\u043e\u0439 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u0442\u0440\u0430\u043d\u0441\u043b\u044f\u0442\u043e\u0440\u0430 c2rust \u0438 AI-\u0430\u0441\u0441\u0438\u0441\u0442\u0435\u043d\u0442\u0430. \u0417\u0430\u044f\u0432\u043b\u0435\u043d\u043e, \u0447\u0442\u043e \u043f\u0440\u043e\u0435\u043a\u0442 \u043f\u043e\u043a\u0430 \u043d\u0435 \u0433\u043e\u0442\u043e\u0432 \u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0432 \u0440\u0430\u0431\u043e\u0447\u0438\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u0430\u0445, \u043d\u043e \u0443\u0436\u0435 \u0443\u0441\u043f\u0435\u0448\u043d\u043e \u043f\u0440\u043e\u0445\u043e\u0434\u0438\u0442 \u0432\u0441\u0435 \u0440\u0435\u0433\u0440\u0435\u0441\u0441\u0438\u043e\u043d\u043d\u044b\u0435 \u0442\u0435\u0441\u0442\u044b PostgreSQL, \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c \u0441 \u0444\u043e\u0440\u043c\u0430\u0442\u043e\u043c \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 PostgreSQL 18.3 \u0438 \u043c\u043e\u0436\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c data-\u043a\u0430\u0442\u0430\u043b\u043e\u0433 \u043e\u0442 PostgreSQL 18.3. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-182581","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.5 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u043f\u0440\u043e\u0435\u043a\u0442 pgrust 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