{"id":116050,"date":"2024-05-24T08:59:21","date_gmt":"2024-05-24T06:59:21","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-subd-sqlite-3-46"},"modified":"2024-05-24T08:59:21","modified_gmt":"2024-05-24T06:59:21","slug":"vypusk-subd-sqlite-3-46","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/vypusk-subd-sqlite-3-46","title":{"rendered":"Utgivning av databashanteraren SQLite 3.46","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Release av SQLite 3.46 har publicerats, en l\u00e4ttviktsdatabashanterare som erbjuds som en delad bibliotek. Koden f\u00f6r SQLite distribueras som public domain, dvs. kan anv\u00e4ndas utan begr\u00e4nsningar och kostnadsfritt f\u00f6r alla \u00e4ndam\u00e5l. Den ekonomiska st\u00f6det f\u00f6r SQLite-utvecklarna ges av ett s\u00e4rskilt bildat konsortium.     <\/p>\n<p>Huvudsakliga f\u00f6r\u00e4ndringar:  <\/p>\n<ul>\n<li class=\"l\"> Det har blivit m\u00f6jligt att anv\u00e4nda tecknet &#171;_&#187; som separator i siffror f\u00f6r en b\u00e4ttre visuell representation av numeriska litteraler (till exempel 1_234_567).\n<li class=\"l\"> En SQL-funktion json_pretty() har lagts till f\u00f6r att generera mer l\u00e4sbar utdata i JSON-format, formaterad med indragning av block.\n<li class=\"l\"> Funktionerna f\u00f6r operationen &#171;PRAGMA optimize&#187; har ut\u00f6kats, vilket optimerar databasen och alla dataskemata f\u00f6r att uppn\u00e5 b\u00e4sta m\u00f6jliga prestanda f\u00f6r f\u00f6rfr\u00e5gningar. En automatiskt till\u00e4mpad gr\u00e4ns f\u00f6r databasanalysens varaktighet har inf\u00f6rts f\u00f6r att undvika f\u00f6r l\u00e5ng bearbetningstid av stora databaser. En ny bitmask &#171;PRAGMA optimize(0x10000)&#187; har lagts till f\u00f6r separat kontroll av uppdateringar i alla tabeller. Det har ocks\u00e5 s\u00e4kerst\u00e4llts automatisk \u00e5teranalys av tabeller d\u00e4r sqlite_stat1-poster saknas.\n<li class=\"l\"> St\u00f6det f\u00f6r platsh\u00e5llarna %G, %g, %U och %V har lagts till i SQL-funktionen strftime().\n<li class=\"l\"> Nya modifierare ceiling och floor har lagts till i SQL-funktionerna f\u00f6r hantering av datum och tid f\u00f6r att styra behandlingen av tvetydiga datum som uppst\u00e5r vid datumf\u00f6rskjutningsoperat\u00f6rer med ett visst antal m\u00e5nader eller \u00e5r. Modifierarna utc och localtime ignoreras om SQLite vet att tiden redan \u00e4r i UTC eller localtime-format.\n<li class=\"l\"> Optimeringar har genomf\u00f6rts i f\u00f6rfr\u00e5gningsplaneraren. F\u00f6r INSERT-uttryck som inneh\u00e5ller tusentals v\u00e4rden i VALUES-sektionen \u00e4r optimeringen &#171;VALUES-as-coroutine&#187; som standard aktiverad, vilket kan dubblera hastigheten p\u00e5 tolkningen av s\u00e5dana uttryck och halvera minnesanv\u00e4ndningen. F\u00f6r fr\u00e5gor av typen &#171;SELECT count(DISTINCT col) FROM &#8230;&#187; till\u00e5ts anv\u00e4ndning av index, \u00e4ven om storleken p\u00e5 posterna i indexet \u00e4r lika stor som posterna i tabellen. Logiken f\u00f6r att best\u00e4mma situationer d\u00e4r konstanter anges i argumenten f\u00f6r SQL-funktioner har f\u00f6rb\u00e4ttrats. Optimering med push-down har till\u00e4mpats f\u00f6r WHERE-uttryck som inneh\u00e5ller orelaterade underm\u00e4ngder.\n<li class=\"l\"> Logiken f\u00f6r att hantera stack\u00f6verskridning har \u00e4ndrats \u2014 n\u00e4r brist p\u00e5 minne f\u00f6r stacken uppt\u00e4ckts f\u00f6rs\u00f6ker nu parsern att allokera mer minne fr\u00e5n heapen, ist\u00e4llet f\u00f6r att ge ett felmeddelande &#171;parser stack overflow&#187;.\n<li class=\"l\"> I JSON till\u00e5ts ange styrtecken i JSON5-str\u00e4nglitteraler. Logiken f\u00f6r operationerna &#171;-&gt;&#187; och &#171;-&gt;&gt;&#187; har \u00e4ndrats, n\u00e4r den h\u00f6gra sidan av det str\u00e4ngoperanden enbart inneh\u00e5ller siffror (likt PostgreSQL behandlas nu s\u00e5dana operander som str\u00e4ngar).\n<li class=\"l\"> Det \u00e4r nu till\u00e5tet att ange stora hexadecimala litteraler i DEFAULT-v\u00e4rde i tabellkolumner.      <\/ul>\n<p>K\u00e4lla: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61238\">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 \u0440\u0435\u043b\u0438\u0437 SQLite 3.46, \u043b\u0435\u0433\u043a\u043e\u0432\u0435\u0441\u043d\u043e\u0439 \u0421\u0423\u0411\u0414, \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0439 \u0432 \u0432\u0438\u0434\u0435 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0430\u0435\u043c\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438. \u041a\u043e\u0434 SQLite \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u043e\u0431\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0435 \u0434\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 (public domain), \u0442.\u0435. \u043c\u043e\u0436\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0431\u0435\u0437 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u0439 \u0438 \u0431\u0435\u0437\u0432\u043e\u0437\u043c\u0435\u0437\u0434\u043d\u043e \u0432 \u043b\u044e\u0431\u044b\u0445 \u0446\u0435\u043b\u044f\u0445. \u0424\u0438\u043d\u0430\u043d\u0441\u043e\u0432\u0443\u044e \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 SQLite \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0435\u0442 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u044b\u0439 \u043a\u043e\u043d\u0441\u043e\u0440\u0446\u0438\u0443\u043c. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f: \u041f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0432 \u0447\u0438\u0441\u043b\u0430\u0445 \u0440\u0430\u0437\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f &#171;_&#187; \u0434\u043b\u044f \u0431\u043e\u043b\u0435\u0435 \u043d\u0430\u0433\u043b\u044f\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0447\u0438\u0441\u043b\u043e\u0432\u044b\u0445 \u043b\u0438\u0442\u0435\u0440\u0430\u043b\u043e\u0432 (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, 1_234_567). \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-116050","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 SQLite 3.46, \u043b\u0435\u0433\u043a\u043e\u0432\u0435\u0441\u043d\u043e\u0439 \u0421\u0423\u0411\u0414, \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0439 \u0432 \u0432\u0438\u0434\u0435 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0430\u0435\u043c\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438. \u041a\u043e\u0434 SQLite \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u043e\u0431\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0435 \u0434\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 (public domain), \u0442.\u0435.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/sv\/blog\/news\/vypusk-subd-sqlite-3-46\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.4\" \/>\n\t\t<meta property=\"og:locale\" content=\"sv_SE\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0412\u044b\u043f\u0443\u0441\u043a \u0421\u0423\u0411\u0414 SQLite 3.46 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 SQLite 3.46, \u043b\u0435\u0433\u043a\u043e\u0432\u0435\u0441\u043d\u043e\u0439 \u0421\u0423\u0411\u0414, \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0439 \u0432 \u0432\u0438\u0434\u0435 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0430\u0435\u043c\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438. \u041a\u043e\u0434 SQLite \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u043e\u0431\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0435 \u0434\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 (public domain), \u0442.\u0435.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/sv\/blog\/news\/vypusk-subd-sqlite-3-46\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-05-24T06:59:21+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-05-24T06:59:21+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Utg\u00e5van av databashanteringssystemet SQLite 3.46 | ProHoster","description":"Utgivningen av SQLite 3.46, en l\u00e4ttviktig databasadministrationssystem i form av ett plug-in-bibliotek, har publicerats. 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