{"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\/hu\/blog\/news\/vypusk-subd-sqlite-3-44","title":{"rendered":"Megjelent az SQLite 3.44 adatb\u00e1zis-kezel\u0151.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Megjelent az SQLite 3.44, egy k\u00f6nny\u0171s\u00faly\u00fa DBMS, amely dinamikusan csatolhat\u00f3 k\u00f6nyvt\u00e1rk\u00e9nt van megform\u00e1lva. Az SQLite k\u00f3dja k\u00f6zszolg\u00e1lati \u00e1llom\u00e1nyk\u00e9nt (public domain) terjed, azaz korl\u00e1toz\u00e1sok n\u00e9lk\u00fcl \u00e9s ingyenesen b\u00e1rmilyen c\u00e9lra felhaszn\u00e1lhat\u00f3. Az SQLite fejleszt\u0151i sz\u00e1m\u00e1ra p\u00e9nz\u00fcgyi t\u00e1mogat\u00e1st egy k\u00fcl\u00f6n l\u00e9trehozott konzorcium biztos\u00edt, amelynek tagjai olyan c\u00e9gek, mint a Bentley, Bloomberg, Expensify \u00e9s Navigation Data Standard.    <\/p>\n<p>F\u0151bb v\u00e1ltoz\u00e1sok:  <\/p>\n<ul>\n<li class=\"l\"> Aggreg\u00e1lt f\u00fcggv\u00e9nyek eset\u00e9n az utols\u00f3 param\u00e9ter ut\u00e1n megengedett az 'ORDER BY' kifejez\u00e9s megad\u00e1sa a f\u00fcggv\u00e9ny argumentumainak megadott sorrendben val\u00f3 feldolgoz\u00e1s\u00e1hoz, ami hasznos lehet olyan f\u00fcggv\u00e9nyek eset\u00e9n, mint a string_agg() \u00e9s a json_group_array().\n<li class=\"l\"> Hozz\u00e1adva a concat() \u00e9s concat_ws() skalar SQL-funkci\u00f3k t\u00e1mogat\u00e1sa, amelyek kompatibilisek a PostgreSQL, MS SQL Server \u00e9s MySQL rendszerekkel.\n<li class=\"l\"> Hozz\u00e1adva a string_agg() aggreg\u00e1l\u00f3 funkci\u00f3 t\u00e1mogat\u00e1sa, amely kompatibilis a PostgreSQL \u00e9s MS SQL Server rendszerekkel.\n<li class=\"l\"> A SQL-f\u00fcggv\u00e9nyben, a strftime() t\u00e1mogat\u00e1st kapott a k\u00f6vetkez\u0151 specifik\u00e1torokhoz: '%e', '%F', '%I', '%k', '%l', '%p', '%P', '%R', '%T' \u00e9s '%u'.\n<li class=\"l\"> Sok olyan hiba, amely a 'CREATE TABLE' kifejez\u00e9ssel kapcsolatos, mostant\u00f3l a 'CREATE TABLE' kifejez\u00e9s v\u00e9grehajt\u00e1sa ut\u00e1n jelenik meg, nem pedig az els\u0151 t\u00e1bl\u00e1zat haszn\u00e1lata ut\u00e1n.\n<li class=\"l\"> A 'PRAGMA integrity_check' parancsban v\u00e9grehajt\u00e1sra ker\u00fclt a k\u00fcl\u00f6nb\u00f6z\u0151 be\u00e9p\u00edtett virtu\u00e1lis t\u00e1bl\u00e1k tartalm\u00e1nak konzisztenci\u00e1j\u00e1nak ellen\u0151rz\u00e9se, amelyeket az FTS3, FTS4, FTS5, RTREE \u00e9s GEOPOLY kiterjeszt\u00e9sek haszn\u00e1lnak.\n<li class=\"l\"> A be\u00e9p\u00edtett virtu\u00e1lis t\u00e1bl\u00e1kat, amelyeket az FTS3, FTS4, FTS5, RTREE \u00e9s GEOPOLY kiterjeszt\u00e9sek haszn\u00e1lat\u00e1ban alkalmaznak, megengedett haszn\u00e1lni triggeren bel\u00fcl.\n<li class=\"l\"> A SQLITE_DBCONFIG_DEFENSIVE be\u00e1ll\u00edt\u00e1s megad\u00e1sa eset\u00e9n v\u00e9delmet biztos\u00edt a 'PRAGMA writable_schema' m\u00f3d bekapcsol\u00e1sa ellen.\n<li class=\"l\"> A Microsoft C ford\u00edt\u00f3 \u00e1ltal a megjel\u00f6lt be\u00e1ll\u00edt\u00e1s alap\u00e9rtelmez\u00e9s szerint enged\u00e9lyezve van, ami az SQLITE_USE_SEH (Structured Exception Handling) haszn\u00e1lat\u00e1t jelenti.\n<li class=\"l\"> Optimaliz\u00e1l\u00e1sok t\u00f6rt\u00e9ntek a lek\u00e9rdez\u00e9s-tervez\u0151ben, amelyek a t\u00e1bl\u00e1zat oszlop\u00e1hoz r\u00f6gz\u00edtett \u00e9rt\u00e9k megad\u00e1sakor a r\u00e9szleges indexszkennel\u00e9shez kapcsol\u00f3dnak. Az 3.42.0-as verzi\u00f3ban bevezetett n\u00e9zetek szkennel\u00e9si optimaliz\u00e1l\u00e1sa letilt\u00e1sra ker\u00fclt a tapasztalt regresszi\u00f3k miatt.\n<li class=\"l\"> A v\u00e9grehajt\u00e1si id\u0151 alatt ellen\u0151rizve van a rendszer \u00e1ltal a 'long double' t\u00edpus\u00fa, a 'double' t\u00edpusn\u00e1l nagyobb pontoss\u00e1g\u00fa t\u00edpus t\u00e1mogat\u00e1sa.\n<li class=\"l\"> A Windows parancssori interf\u00e9szben alap\u00e9rtelmez\u00e9s szerint az UTF-8 k\u00f3dol\u00e1s van aktiv\u00e1lva a bemeneti \u00e9s kimeneti m\u0171veletekhez (ezt a '--no-utf8' opci\u00f3val lehet letiltani).    <\/ul>\n<p>Forr\u00e1s: <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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