{"id":105659,"date":"2022-11-21T15:36:52","date_gmt":"2022-11-21T13:36:52","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-subd-sqlite-3-40"},"modified":"2022-11-21T15:36:52","modified_gmt":"2022-11-21T13:36:52","slug":"vypusk-subd-sqlite-3-40","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/vypusk-subd-sqlite-3-40","title":{"rendered":"Uppsl\u00e4pp av databashanteraren SQLite 3.40","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Utg\u00e5van av SQLite 3.40 har publicerats, en l\u00e4ttviktsdatabas som \u00e4r formaterad som ett bibliotek. Koden f\u00f6r SQLite distribueras som offentlig egendom (public domain), vilket inneb\u00e4r att den kan anv\u00e4ndas utan begr\u00e4nsningar och kostnadsfritt f\u00f6r alla \u00e4ndam\u00e5l. Den finansiella st\u00f6det f\u00f6r SQLite-utvecklarna ges av ett s\u00e4rskilt bildat konsortium som inkluderar f\u00f6retag som Adobe, Oracle, Mozilla, Bentley och Bloomberg.     <\/p>\n<p>Huvudsakliga f\u00f6r\u00e4ndringar:  <\/p>\n<ul>\n<li class=\"l\"> En experimentell funktion f\u00f6r att kompilera SQLite till WebAssembly-kod har implementerats, vilket m\u00f6jligg\u00f6r k\u00f6rning i webbl\u00e4sare och \u00e4r l\u00e4mplig f\u00f6r att arbeta med databaser fr\u00e5n web-applikationer i JavaScript. Webbprogrammerare f\u00e5r ett h\u00f6g niv\u00e5, objektorienterat gr\u00e4nssnitt f\u00f6r att arbeta med data i stil med sql.js eller Node.js, en wrapper \u00f6ver ett l\u00e5gniv\u00e5 C API och ett API baserat p\u00e5 Web Worker-mekanismen, som g\u00f6r det m\u00f6jligt att skapa asynkrona hanterare som k\u00f6rs i separata tr\u00e5dar. Data som web-applikationer sparar i WASM-versionen av SQLite kan lagras p\u00e5 klientsidan med hj\u00e4lp av OPFS (Origin-Private FileSystem) eller API window.localStorage.\n<li class=\"l\"> \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043e \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u0435 recovery, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0435 \u0434\u043b\u044f \u0432\u043e\u0441\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 \u0438\u0437 \u043f\u043e\u0432\u0440\u0435\u0436\u0434\u0451\u043d\u043d\u044b\u0445 \u0444\u0430\u0439\u043b\u043e\u0432 \u0441 \u0411\u0414. \u0412 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0435 \u043a\u043e\u043c\u0430\u043d\u0434\u043d\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u0438 \u0434\u043b\u044f \u0432\u043e\u0441\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043a\u043e\u043c\u0430\u043d\u0434\u0430  &#171;.recover&#187;.\n<li class=\"l\"> Arbetet med fr\u00e5geplaneraren har f\u00f6rb\u00e4ttrats. Begr\u00e4nsningar vid anv\u00e4ndning av index med tabeller som har fler \u00e4n 63 kolumner har tagits bort (tidigare till\u00e4mpades inte indexering vid operationer med kolumner vars ordningstal \u00f6versteg 63). Indexeringen av v\u00e4rden som anv\u00e4nds i uttryck har f\u00f6rb\u00e4ttrats. Laddning av stora rader och blobbar fr\u00e5n disk vid bearbetning av operatorer som NOT NULL och IS NULL har upph\u00f6rt. Materialisering av vyer f\u00f6r vilka en fullst\u00e4ndig skanning endast g\u00f6rs en g\u00e5ng har uteslutits.\n<li class=\"l\"> \u0412 \u043a\u043e\u0434\u043e\u0432\u043e\u0439 \u0431\u0430\u0437\u0435 \u0432\u043c\u0435\u0441\u0442\u043e \u0442\u0438\u043f\u0430 &#171;char *&#187; \u0434\u043b\u044f \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438\u043c\u0451\u043d \u0444\u0430\u0439\u043b\u043e\u0432 \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u043d \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0439 \u0442\u0438\u043f sqlite3_filename.\n<li class=\"l\"> En intern funktion, sqlite3_value_encoding(), har lagts till.\n<li class=\"l\"> L\u00e4get SQLITE_DBCONFIG_DEFENSIVE har lagts till, vilket f\u00f6rbjuder \u00e4ndring av versionen av databasens lagringsschema.\n<li class=\"l\"> \u0412 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u0430 &#171;PRAGMA integrity_check&#187;  \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u044b \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440,   \u0432 \u0442\u0430\u0431\u043b\u0438\u0446\u044b \u0431\u0435\u0437 \u043f\u0440\u0438\u0437\u043d\u0430\u043a\u0430 STRICT \u043d\u0435 \u0434\u043e\u043b\u0436\u043d\u044b \u0441\u043e\u0434\u0435\u0440\u0436\u0430\u0442\u044c \u0447\u0438\u0441\u043b\u043e\u0432\u044b\u0445 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 \u0432 \u0441\u0442\u043e\u043b\u0431\u0446\u0430\u0445 \u0441 \u0442\u0438\u043f\u043e\u043c TEXT \u0438 \u0441\u0442\u0440\u043e\u043a\u043e\u0432\u044b\u0445 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 \u0441 \u0447\u0438\u0441\u043b\u0430\u043c\u0438 \u0432 \u0441\u0442\u043e\u043b\u0431\u0446\u0430\u0445 \u0441 \u0442\u0438\u043f\u043e\u043c NUMERIC. \u0422\u0430\u043a\u0436\u0435 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u043e\u0441\u0442\u0438 \u043f\u043e\u0440\u044f\u0434\u043a\u0430 \u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u044f \u0441\u0442\u0440\u043e\u043a \u0432 \u0442\u0430\u0431\u043b\u0438\u0446\u0430\u0445 \u0441  \u043f\u0440\u0438\u0437\u043d\u0430\u043a\u043e\u043c &#171;WITHOUT ROWID&#187;.\n<li class=\"l\"> \u0412 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0438 &#171;VACUUM INTO&#187;  \u0443\u0447\u0442\u0435\u043d\u044b \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 &#171;PRAGMA synchronous&#187;.\n<li class=\"l\"> En byggalternativ SQLITE_MAX_ALLOCATION_SIZE har lagts till, som g\u00f6r det m\u00f6jligt att begr\u00e4nsa storleken p\u00e5 block vid minnesallokering.\n<li class=\"l\"> Den inbyggda algoritmen f\u00f6r att generera pseudotillf\u00e4lliga nummer i SQLite har bytt fr\u00e5n att anv\u00e4nda str\u00f6mmande chiffret RC4 till Chacha20.\n<li class=\"l\"> Anv\u00e4ndning av index med samma namn i olika datamodeller har till\u00e5tits.\n<li class=\"l\"> Prestandaf\u00f6rb\u00e4ttringar har genomf\u00f6rts, vilket minska CPU-belastningen med cirka 1% vid typisk aktivitet.      <\/ul>\n<p>K\u00e4lla: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=58162\">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 3.40, \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, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0432\u0445\u043e\u0434\u044f\u0442 \u0442\u0430\u043a\u0438\u0435 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438, \u043a\u0430\u043a Adobe, Oracle, Mozilla, Bentley \u0438 Bloomberg. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f: \u0420\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u0430 \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u0430\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u0438 [&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-105659","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 3.40, \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 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