{"id":102412,"date":"2021-11-28T09:36:50","date_gmt":"2021-11-28T07:36:50","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-subd-sqlite-3-37"},"modified":"2021-11-28T09:36:50","modified_gmt":"2021-11-28T07:36:50","slug":"vypusk-subd-sqlite-3-37","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/vypusk-subd-sqlite-3-37","title":{"rendered":"Utgivning av databashanteringssystemet SQLite 3.37","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>SQLite 3.37 har sl\u00e4ppts, en l\u00e4ttviktsdatabas som finns som ett bibliotek. Koden f\u00f6r SQLite distribueras som public domain, vilket inneb\u00e4r att den kan anv\u00e4ndas utan begr\u00e4nsningar och kostnadsfritt f\u00f6r alla \u00e4ndam\u00e5l. Utvecklarna av SQLite f\u00e5r finansiellt st\u00f6d fr\u00e5n en s\u00e4rskilt skapad f\u00f6rening 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\"> St\u00f6d f\u00f6r att skapa tabeller med flaggan \"STRICT\", som kr\u00e4ver att kolumntypen ska anges vid deklarationen, har lagts till och till\u00e4mpar strikt typkontroll av data som l\u00e4ggs till i kolumnerna. Om denna flagga s\u00e4tts kommer SQLite att returnera ett fel om det inte g\u00e5r att konvertera de angivna uppgifterna till kolumntypen. Till exempel, om kolumnen \u00e4r skapad som \"INTEGER\", kommer \u00f6verf\u00f6ringen av str\u00e4ngv\u00e4rdet '123' att leda till att talet 123 l\u00e4ggs till, men ett f\u00f6rs\u00f6k att ange 'xyz' kommer att resultera i ett fel.\n<li class=\"l\"> Vid operationen \"ALTER TABLE ADD COLUMN\" har en kontroll f\u00f6r existerande rader lagts till n\u00e4r man l\u00e4gger till kolumner med kontroller baserade p\u00e5 uttrycket \"CHECK\" eller med villkoren \"NOT NULL\".\n<li class=\"l\"> Uttrycket \"PRAGMA table_list\" har implementerats f\u00f6r att visa information om tabeller och vyer.\n<li class=\"l\"> I kommandoradsgr\u00e4nssnittet har kommandot \".connection\" implementerats, vilket g\u00f6r att flera anslutningar till databasen kan uppr\u00e4tth\u00e5llas samtidigt.\n<li class=\"l\"> Parametern \"--safe\" har lagts till, vilket inaktiverar CLI-kommandon och SQL-uttryck som till\u00e5ter operationer med databaserfiler som \u00e4r olika fr\u00e5n den angivna databasen i kommandoraden.\n<li class=\"l\"> Prestandan f\u00f6r l\u00e4sning av SQL-uttryck som delas upp p\u00e5 flera rader har optimerats i CLI.\n<li class=\"l\"> Funktionerna sqlite3_autovacuum_pages(), sqlite3_changes64() och sqlite3_total_changes64() har lagts till.\n<li class=\"l\"> F\u00f6rfr\u00e5gningsplaneraren ignorerar nu uttryck \"ORDER BY\" i underfr\u00e5gor och vyer, om borttagning av dessa uttryck inte \u00e4ndrar semantiken i fr\u00e5gan.\n<li class=\"l\"> Funktionen generate_series(START,END,STEP) har f\u00f6r\u00e4ndrats, d\u00e4r den f\u00f6rsta parametern (\"START\") har gjorts obligatorisk. F\u00f6r att \u00e5terf\u00e5 det gamla beteendet kan man \u00e5terkompilera med flaggan \"-DZERO_ARGUMENT_GENERATE_SERIES\".\n<li class=\"l\"> Minne som anv\u00e4nds f\u00f6r att lagra databasens schema har minskats.    <\/ul>\n<p>K\u00e4lla: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56244\">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 3.37, \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: \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0442\u0430\u0431\u043b\u0438\u0446 [&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-102412","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - 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