{"id":103815,"date":"2022-04-18T21:37:06","date_gmt":"2022-04-18T19:37:06","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupen-pgfe-2-klientskij-c-api-k-postgresql"},"modified":"2022-04-18T21:37:06","modified_gmt":"2022-04-18T19:37:06","slug":"dostupen-pgfe-2-klientskij-c-api-k-postgresql","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/dostupen-pgfe-2-klientskij-c-api-k-postgresql","title":{"rendered":"Pgfe 2 is available, a client C++ API for PostgreSQL","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Megjelent a Pgfe 2 (PostGres FrontEnd) els\u0151 stabil kiad\u00e1sa, egy fejlett \u00e9s sokoldal\u00fa driverr\u0151l (\u00fcgyf\u00e9l API) van sz\u00f3, amely PostgreSQL-hez k\u00e9sz\u00fclt, C++ nyelven \u00edr\u00f3dott \u00e9s megk\u00f6nny\u00edti a PostgreSQL munk\u00e1t C++ projektekben. A projekt k\u00f3dja Apache 2.0 licenc alatt terjed.          <\/p>\n<p>F\u0151bb funkci\u00f3k:  <\/p>\n<ul>\n<li class=\"l\"> Kapcsol\u00f3d\u00e1s blokkol\u00f3 \u00e9s nem blokkol\u00f3 m\u00f3dokban.\n<li class=\"l\"> El\u0151k\u00e9sz\u00edtett kifejez\u00e9sek (prepared statement) kezel\u00e9se pozicion\u00e1lis \u00e9s n\u00e9v szerinti param\u00e9terekkel.\n<li class=\"l\"> Kiterjesztett hiba kezel\u00e9s kiv\u00e9telkezel\u00e9ssel \u00e9s SQLSTATE hibak\u00f3dokkal.\n<li class=\"l\"> Funkci\u00f3k \u00e9s elj\u00e1r\u00e1sok h\u00edv\u00e1s\u00e1nak t\u00e1mogat\u00e1sa.\n<li class=\"l\"> Dinamikus SQL lek\u00e9rdez\u00e9sek gener\u00e1l\u00e1s\u00e1nak t\u00e1mogat\u00e1sa.\n<li class=\"l\"> Lehet\u0151s\u00e9g b\u0151v\u00edthet\u0151 adatt\u00edpusok \u00e1talak\u00edt\u00e1s\u00e1ra a kliens \u00e9s <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hu\/server\/dts-prohoster\/\"   title=\"szerverrel\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3042\">szerverrel<\/a> (p\u00e9ld\u00e1ul PostgreSQL t\u00f6mb\u00f6k \u00e9s STL kont\u00e9nerek k\u00f6z\u00f6tti \u00e1talak\u00edt\u00e1sok).\n<li class=\"l\"> A lek\u00e9rdez\u00e9sek cs\u0151vezet\u00e9k m\u00f3dban t\u00f6rt\u00e9n\u0151 k\u00fcld\u00e9s\u00e9nek t\u00e1mogat\u00e1sa (pipeline), amely lehet\u0151v\u00e9 teszi a sok apr\u00f3 \u00edr\u00e1si (INSERT\/UPDATE\/DELETE) m\u0171velet v\u00e9grehajt\u00e1s\u00e1nak jelent\u0151s felgyors\u00edt\u00e1s\u00e1t, mivel a k\u00f6vetkez\u0151 lek\u00e9rdez\u00e9st a kor\u00e1bbi eredm\u00e9ny\u00e9nek megv\u00e1r\u00e1sa n\u00e9lk\u00fcl lehet elk\u00fcldeni.\n<li class=\"l\"> Large Objects t\u00e1mogat\u00e1s a nagy adathalmazon t\u00f6rt\u00e9n\u0151 folyamatos hozz\u00e1f\u00e9r\u00e9shez.\n<li class=\"l\"> COPY m\u0171velet t\u00e1mogat\u00e1sa az adatok m\u00e1sol\u00e1s\u00e1ra f\u00e1jlok \u00e9s az adatb\u00e1zis k\u00f6z\u00f6tt.\n<li class=\"l\"> SQL lek\u00e9rdez\u00e9sek elv\u00e1laszt\u00e1s\u00e1nak lehet\u0151s\u00e9ge a kliens oldali C++ k\u00f3dt\u00f3l.\n<li class=\"l\"> Egyszer\u0171 \u00e9s megb\u00edzhat\u00f3 kapcsolat medence biztos\u00edt\u00e1sa, amely alkalmas t\u00f6bbsz\u00e1l\u00fa alkalmaz\u00e1sokhoz.    <\/ul>\n<p>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57039\">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 \u043f\u0435\u0440\u0432\u044b\u0439 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a Pgfe 2 (PostGres FrontEnd), \u043f\u0440\u043e\u0434\u0432\u0438\u043d\u0443\u0442\u043e\u0433\u043e \u0438 \u043c\u043d\u043e\u0433\u043e\u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 (\u043a\u043b\u0438\u0435\u043d\u0442\u0441\u043a\u0438\u0439 API) \u0434\u043b\u044f PostgreSQL, \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u043e\u0433\u043e \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 C++ \u0438 \u0443\u043f\u0440\u043e\u0449\u0430\u044e\u0449\u0435\u0433\u043e \u0440\u0430\u0431\u043e\u0442\u0443 \u0441 PostgreSQL \u0432 \u043f\u0440\u043e\u0435\u043a\u0442\u0430\u0445 \u043d\u0430 C++. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 Apache 2.0. \u0414\u043b\u044f \u0441\u0431\u043e\u0440\u043a\u0438 \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440 \u0441 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u043e\u0439 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430 C++17. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438: \u0421\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 \u0432 \u0431\u043b\u043e\u043a\u0438\u0440\u0443\u044e\u0449\u0435\u043c \u0438 \u043d\u0435\u0431\u043b\u043e\u043a\u0438\u0440\u0443\u044e\u0449\u0435\u043c \u0440\u0435\u0436\u0438\u043c\u0430\u0445. \u041e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0437\u0430\u0440\u0430\u043d\u0435\u0435 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u044b\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-103815","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in 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