{"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\/da\/blog\/news\/vypusk-subd-sqlite-3-37","title":{"rendered":"Udgivelsen af databasen SQLite 3.37","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>SQLite 3.37 er blevet offentliggjort, en letv\u00e6gts database management system, der er udformet som en tilslutningsbibliotek. Koden til SQLite er frigivet som offentlig ejendom (public domain), dvs. den kan bruges uden begr\u00e6nsninger og gratis til enhver hensigt. Finansieringen af udviklerne af SQLite st\u00f8ttes af et s\u00e6rligt nedsat konsortium, som omfatter virksomheder som Adobe, Oracle, Mozilla, Bentley og Bloomberg.     <\/p>\n<p>Vigtige \u00e6ndringer:  <\/p>\n<ul>\n<li class=\"l\"> Der er tilf\u00f8jet support til oprettelse af tabeller med 'STRICT'-flaget, som kr\u00e6ver, at en datatype skal angives ved deklarationen af kolonner og anvender strenge typekontroller p\u00e5 de data, der tilf\u00f8jes til kolonnerne. Ved aktivering af dette flag vil SQLite returnere en fejl, hvis det ikke er muligt at konvertere de angivne data til kolonneens datatype. For eksempel, hvis kolonnen er oprettet som 'INTEGER', vil overf\u00f8rsel af strengev\u00e6rdien '123' resultere i inds\u00e6ttelse af tallet 123, mens et fors\u00f8g p\u00e5 at angive 'xyz' vil resultere i en fejl.\n<li class=\"l\"> I 'ALTER TABLE ADD COLUMN'-operationen er der tilf\u00f8jet betingelseskontrol for eksisterende r\u00e6kker ved tilf\u00f8jelse af kolonner med 'CHECK'-betingelser eller 'NOT NULL'-betingelser.\n<li class=\"l\"> Der er implementeret udtrykket 'PRAGMA table_list' til at vise information om tabeller og visninger.\n<li class=\"l\"> I kommandolinjegr\u00e6nsefladen er der implementeret kommandoen '.connection', som muligg\u00f8r samtidig underst\u00f8ttelse af flere forbindelser til databasen.\n<li class=\"l\"> Det er tilf\u00f8jet en parameter '--safe', der deaktiverer CLI-kommandoer og SQL-udtryk, som tillader operationer med databaser, der adskiller sig fra den angivne database i kommandolinjen.\n<li class=\"l\"> Der er gennemf\u00f8rt optimering af ydeevnen i CLI til l\u00e6sning af SQL-udtryk, der er opdelt p\u00e5 flere linjer.\n<li class=\"l\"> Funktionerne sqlite3_autovacuum_pages(), sqlite3_changes64() og sqlite3_total_changes64() er blevet tilf\u00f8jet.\n<li class=\"l\"> I foresp\u00f8rgselsplanl\u00e6ggeren er der sikret, at 'ORDER BY'-udtryk i underforesp\u00f8rgsler og visninger ignoreres, hvis fjernelse af disse udtryk ikke \u00e6ndrer foresp\u00f8rgselssemantikken.\n<li class=\"l\"> Udvidelsen generate_series(START, END, STEP) er \u00e6ndret, hvor den f\u00f8rste parameter ('START') er blevet gjort obligatorisk. For at genoprette den gamle adf\u00e6rd kan der ombygges med indstillingen '-DZERO_ARGUMENT_GENERATE_SERIES'.\n<li class=\"l\"> Hukommelsesforbruget til opbevaring af databasens skema er blevet reduceret.    <\/ul>\n<p>Kilde: <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 5.0.3 - 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