{"id":99711,"date":"2021-04-13T16:22:39","date_gmt":"2021-04-13T14:22:39","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/google-opublikoval-yazyk-logicheskogo-programmirovaniya-logica"},"modified":"2021-04-13T16:22:39","modified_gmt":"2021-04-13T14:22:39","slug":"google-opublikoval-yazyk-logicheskogo-programmirovaniya-logica","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/google-opublikoval-yazyk-logicheskogo-programmirovaniya-logica","title":{"rendered":"Google public\u00f3 el lenguaje de programaci\u00f3n l\u00f3gica Logica","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>La compa\u00f1\u00eda Google ha presentado un nuevo lenguaje declarativo de programaci\u00f3n l\u00f3gica llamado Logica, dise\u00f1ado para manipular datos y traducir programas al lenguaje SQL. Este nuevo lenguaje est\u00e1 orientado a aquellos que desean utilizar la sintaxis de programaci\u00f3n l\u00f3gica al escribir consultas a bases de datos. Actualmente, el c\u00f3digo SQL resultante puede ser ejecutado en el almacenamiento Google BigQuery o en las bases de datos PostgreSQL y SQLite, cuyo soporte sigue siendo experimental. Se planea ampliar el n\u00famero de dialectos SQL compatibles en el futuro. El c\u00f3digo del proyecto est\u00e1 escrito en Python y se publica bajo la licencia Apache 2.0.    <\/p>\n<p>Logica contin\u00faa el desarrollo de otro lenguaje de procesamiento de datos creado en Google, llamado Yedalog, y ofrece un nivel de abstracci\u00f3n que no est\u00e1 disponible en SQL est\u00e1ndar. Las consultas en Logica se programan en forma de un conjunto de afirmaciones l\u00f3gicas. Se admiten m\u00f3dulos, operaciones de importaci\u00f3n y la posibilidad de utilizar Logica desde el int\u00e9rprete interactivo Jupyter Notebook. Por ejemplo, para generar un resumen de las personas m\u00e1s mencionadas en las noticias durante el a\u00f1o 2020, se puede utilizar el siguiente programa en Logica para consultar la base de datos GDELT:   @OrderBy(Mentions, \"mentions desc\");   @Limit(Mentions, 10);   Mentions(person:, mentions? += 1) distinct :-     gdelt-bq.gdeltv2.gkg(persons:, date:),     Substr(ToString(date), 0, 4) == \"2020\",     the_persons == Split(persons, \";\"),     person in the_persons;     $ logica mentions.l run Mentions   +--------------------+-----------------+   |     persona        | conteo_menciones |   +--------------------+-----------------+   | donald trump       |        3077130   |   | los angeles        |        1078412   |   | joe biden         |        1054827   |   | george floyd      |         872919   |   | boris johnson     |         674786   |   | barack obama      |         438181   |   | vladimir putin    |         410587   |   | bernie sanders    |         387383   |   | andrew cuomo      |         345462   |   | las vegas         |         325487   |   +--------------------+-----------------+          <\/p>\n<p> Escribir consultas complejas en SQL lleva a la necesidad de redactar cadenas voluminosas y multil\u00ednea, que no son evidentes para su comprensi\u00f3n, dificultando la reutilizaci\u00f3n de partes de la consulta y complicando el mantenimiento. Para c\u00e1lculos repetitivos t\u00edpicos en SQL, se pueden usar vistas y funciones, pero no admiten operaciones de importaci\u00f3n y no ofrecen la flexibilidad inherente a los lenguajes de alto nivel (por ejemplo, no se puede pasar una funci\u00f3n a otra funci\u00f3n). Logica permite componer programas a partir de peque\u00f1os bloques l\u00f3gicos, comprensibles y reutilizables, que pueden ser probados, relacionados con nombres espec\u00edficos y agrupados en paquetes disponibles para su uso en otros proyectos.<br \/>\n<br \/>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=54960\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u043d\u043e\u0432\u044b\u0439 \u0434\u0435\u043a\u043b\u0430\u0440\u0430\u0442\u0438\u0432\u043d\u044b\u0439 \u044f\u0437\u044b\u043a \u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f Logica, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044b\u0439 \u0434\u043b\u044f \u043c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u043c\u0438 \u0438 \u0442\u0440\u0430\u043d\u0441\u043b\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b \u0432 \u044f\u0437\u044b\u043a SQL. \u041d\u043e\u0432\u044b\u0439 \u044f\u0437\u044b\u043a \u043e\u0440\u0438\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d \u043d\u0430 \u0442\u0435\u0445, \u043a\u0442\u043e \u0445\u043e\u0447\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441 \u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043f\u0440\u0438 \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u0438\u0438 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u043a \u0411\u0414. \u0412 \u043d\u0430\u0441\u0442\u043e\u044f\u0449\u0435\u0435 \u0432\u0440\u0435\u043c\u044f \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 SQL-\u043a\u043e\u0434 \u043c\u043e\u0436\u0435\u0442 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c\u0441\u044f \u0432 \u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0435 Google BigQuery \u0438\u043b\u0438 \u0432 \u0421\u0423\u0411\u0414 PostgreSQL \u0438 SQLite, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043f\u043e\u043a\u0430 [&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-99711","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=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u043d\u043e\u0432\u044b\u0439 \u0434\u0435\u043a\u043b\u0430\u0440\u0430\u0442\u0438\u0432\u043d\u044b\u0439 \u044f\u0437\u044b\u043a \u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f Logica, 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