{"id":111250,"date":"2023-11-02T03:10:48","date_gmt":"2023-11-02T01:10:48","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-subd-sqlite-3-44"},"modified":"2023-11-02T03:10:48","modified_gmt":"2023-11-02T01:10:48","slug":"vypusk-subd-sqlite-3-44","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/vypusk-subd-sqlite-3-44","title":{"rendered":"Udgivelse af databasesystemet SQLite 3.44","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Udgivelsen af SQLite 3.44, en letv\u00e6gts DBMS, som er udformet som et plug-in bibliotek. SQLite-koden distribueres som offentlig ejendom, dvs. den m\u00e5 bruges uden begr\u00e6nsninger og gratis til enhver form\u00e5l. Finansieringen af SQLite-udviklerne sker gennem et s\u00e6rligt oprettet konsortium, der inkluderer virksomheder som Bentley, Bloomberg, Expensify og Navigation Data Standard.    <\/p>\n<p>Vigtige \u00e6ndringer:  <\/p>\n<ul>\n<li class=\"l\"> I aggregerede funktioner er det tilladt at angive udtrykket &#171;ORDER BY&#187; efter den sidste parameter for at behandle argumenterne i en bestemt r\u00e6kkef\u00f8lge, hvilket kan v\u00e6re nyttigt for funktioner som string_agg() og json_group_array().\n<li class=\"l\"> Underst\u00f8ttelse af de skalar SQL-funktioner concat() og concat_ws(), der er kompatible med PostgreSQL, MS SQL Server og MySQL, er blevet tilf\u00f8jet.\n<li class=\"l\"> Underst\u00f8ttelse af den aggregatfunktion string_agg(), som er kompatibel med PostgreSQL og MS SQL Server, er blevet tilf\u00f8jet.\n<li class=\"l\"> I SQL-funktionen strftime() er der tilf\u00f8jet support for spesifikatorer som &#171;%e&#187;, &#171;%F&#187;, &#171;%I&#187;, &#171;%k&#187;, &#171;%l&#187;, &#171;%p&#187;, &#171;%P&#187;, &#171;%R&#187;, &#171;%T&#187; og &#171;%u&#187;.\n<li class=\"l\"> Mange fejl relateret til udtrykket &#171;CREATE TABLE&#187; vises nu efter udf\u00f8relsen af udtrykket &#171;CREATE TABLE&#187;, i stedet for efter f\u00f8rste brug af tabellen.\n<li class=\"l\"> I kommandoen &#171;PRAGMA integrity_check&#187; er der implementeret en kontrol af konsistensen i indholdet af forskellige indbyggede virtuelle tabeller, der anvendes i udvidelserne FTS3, FTS4, FTS5, RTREE og GEOPOLY.\n<li class=\"l\"> Indbyggede virtuelle tabeller, der anvendes i FTS3, FTS4, FTS5, RTREE og GEOPOLY-udvidelser, m\u00e5 nu bruges inden for triggers.\n<li class=\"l\"> Ved angivelse af indstillingen SQLITE_DBCONFIG_DEFENSIVE sikres beskyttelse mod aktivering af &#171;PRAGMA writable_schema&#187;.\n<li class=\"l\"> N\u00e5r der bygges med Microsoft C-kompilatoren, er indstillingen SQLITE_USE_SEH (Structured Exception Handling) som standard aktiveret.\n<li class=\"l\"> Der er foretaget optimeringer i foresp\u00f8rgselsplanl\u00e6ggeren vedr\u00f8rende delvis scanning af indekser, n\u00e5r der angives en konstant v\u00e6rdi for en tabelkolonne i WHERE-udtrykket. P\u00e5 grund af opdagede regressioner er optimeringen af scanning af visninger, der blev tilf\u00f8jet i version 3.42.0, blevet deaktiveret.\n<li class=\"l\"> Der er sikret en runtime-kontrol af systemets st\u00f8tte til typen &#171;long double&#187; med en pr\u00e6cision, der er h\u00f8jere end for typen &#171;double&#187;.\n<li class=\"l\"> I kommandogr\u00e6nsefladen for Windows anvendes UTF-8 som standard for indtastning og udskrivning (for at deaktivere dette er der en mulighed &#171;&#8212;no-utf8&#187;).    <\/ul>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60035\">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 3.44, \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 Bentley, Bloomberg, Expensify \u0438 Navigation Data Standard. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f: \u0412 \u0430\u0433\u0440\u0435\u0433\u0430\u0442\u043d\u044b\u0445 \u0444\u0443\u043d\u043a\u0446\u0438\u044f\u0445 [&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-111250","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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