{"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\/es\/blog\/news\/dostupen-pgfe-2-klientskij-c-api-k-postgresql","title":{"rendered":"Pgfe 2 est\u00e1 disponible, una API cliente C++ para PostgreSQL.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Se ha publicado la primera versi\u00f3n estable de Pgfe 2 (PostGres FrontEnd), un controlador avanzado y multifuncional (API cliente) para PostgreSQL, escrito en C++ y que facilita el trabajo con PostgreSQL en proyectos en C++. El c\u00f3digo del proyecto se distribuye bajo la licencia Apache 2.0. Se requiere un compilador que soporte el est\u00e1ndar C++17 para la construcci\u00f3n.          <\/p>\n<p>Principales caracter\u00edsticas:  <\/p>\n<ul>\n<li class=\"l\"> Conexi\u00f3n en modos bloqueantes y no bloqueantes.\n<li class=\"l\"> Manejo de sentencias preparadas (prepared statement) con par\u00e1metros posicionales y nombrados.\n<li class=\"l\"> Manejo avanzado de errores utilizando excepciones y c\u00f3digos de error SQLSTATE.\n<li class=\"l\"> Soporte para la invocaci\u00f3n de funciones y procedimientos.\n<li class=\"l\"> Soporte para la construcci\u00f3n din\u00e1mica de consultas SQL.\n<li class=\"l\"> Posibilidad de convertir tipos de datos extensibles en la etapa de transmisi\u00f3n entre el cliente y <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/es\/server\/dts-prohoster\/\"   title=\"el servidor\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3042\">el servidor<\/a> (por ejemplo, conversiones entre arrays de PostgreSQL y contenedores STL).\n<li class=\"l\"> Soporte para el modo de transmisi\u00f3n de consultas en canalizaci\u00f3n (pipeline), que permite acelerar significativamente la ejecuci\u00f3n de un gran n\u00famero de peque\u00f1as operaciones de escritura (INSERT\/UPDATE\/DELETE) al enviar la siguiente consulta sin esperar el resultado de la anterior.\n<li class=\"l\"> Soporte para Large Objects para el acceso en streaming a grandes conjuntos de datos.\n<li class=\"l\"> Soporte para la operaci\u00f3n COPY para copiar datos entre un archivo y la base de datos.\n<li class=\"l\"> Posibilidad de separar las consultas SQL del c\u00f3digo C++ en el lado del cliente.\n<li class=\"l\"> Provisi\u00f3n de un pool de conexiones simple y fiable, adecuado para su uso en aplicaciones multihilo.    <\/ul>\n<p>Fuente: <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 One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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 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