{"id":102412,"date":"2021-11-28T09:36:50","date_gmt":"2021-11-28T07:36:50","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-subd-sqlite-3-37"},"modified":"2021-11-28T09:36:50","modified_gmt":"2021-11-28T07:36:50","slug":"vypusk-subd-sqlite-3-37","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/vypusk-subd-sqlite-3-37","title":{"rendered":"Lanzamiento de la base de datos SQLite 3.37","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Se ha publicado la versi\u00f3n 3.37 de SQLite, una base de datos liviana presentada como una biblioteca de enlace. El c\u00f3digo de SQLite se distribuye como dominio p\u00fablico, lo que significa que se puede utilizar sin restricciones y de forma gratuita para cualquier prop\u00f3sito. El apoyo financiero para los desarrolladores de SQLite proviene de un consorcio creado espec\u00edficamente, que incluye empresas como Adobe, Oracle, Mozilla, Bentley y Bloomberg.     <\/p>\n<p>Principales cambios:  <\/p>\n<ul>\n<li class=\"l\"> Se ha a\u00f1adido soporte para la creaci\u00f3n de tablas con la caracter\u00edstica \u2018STRICT\u2019, que requiere la especificaci\u00f3n obligatoria del tipo al declarar columnas y aplica una verificaci\u00f3n estricta de la conformidad de los tipos de datos que se a\u00f1aden a las columnas. Al activar este flag, SQLite mostrar\u00e1 un error si no es posible convertir los datos especificados al tipo de la columna. Por ejemplo, si una columna se crea como \u2018INTEGER\u2019, la transmisi\u00f3n de un valor de cadena \u2018123\u2019 resultar\u00e1 en la adici\u00f3n del n\u00famero 123, pero intentar insertar \u2018xyz\u2019 resultar\u00e1 en un error.\n<li class=\"l\"> En la operaci\u00f3n \u2018ALTER TABLE ADD COLUMN\u2019 se ha a\u00f1adido una comprobaci\u00f3n de las condiciones de existencia de filas al agregar columnas con verificaciones basadas en la expresi\u00f3n \u2018CHECK\u2019 o con condiciones \u2018NOT NULL\u2019.\n<li class=\"l\"> Se ha implementado la expresi\u00f3n \u2018PRAGMA table_list\u2019 para mostrar informaci\u00f3n sobre tablas y vistas.\n<li class=\"l\"> En la interfaz de l\u00ednea de comandos se ha implementado el comando \u2018.connection\u2019, que permite mantener m\u00faltiples conexiones a la base de datos simult\u00e1neamente.\n<li class=\"l\"> Se ha a\u00f1adido el par\u00e1metro \u2018--safe\u2019, que desactiva los comandos CLI y expresiones SQL que permiten realizar operaciones en archivos de base de datos diferentes de la base de datos especificada en la l\u00ednea de comandos.\n<li class=\"l\"> Se ha optimizado el rendimiento de lectura de expresiones SQL en CLI que se dividen en varias l\u00edneas.\n<li class=\"l\"> Se han a\u00f1adido las funciones sqlite3_autovacuum_pages(), sqlite3_changes64() y sqlite3_total_changes64().\n<li class=\"l\"> En el planificador de consultas se ha garantizado la ignorancia de las expresiones \u2018ORDER BY\u2019 en subconsultas y vistas, si la eliminaci\u00f3n de tales expresiones no cambia la sem\u00e1ntica de la consulta.\n<li class=\"l\"> Se ha modificado la extensi\u00f3n generate_series(START,END,STEP), donde el primer par\u00e1metro (\u2018START\u2019) ha sido convertido en obligatorio. Para restaurar el comportamiento anterior, se puede recompilar con la opci\u00f3n \u2018-DZERO_ARGUMENT_GENERATE_SERIES\u2019.\n<li class=\"l\"> Se ha reducido el consumo de memoria para almacenar el esquema de la base de datos.    <\/ul>\n<p>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56244\">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 3.37, \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 Adobe, Oracle, Mozilla, Bentley \u0438 Bloomberg. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f: \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0442\u0430\u0431\u043b\u0438\u0446 [&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-102412","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - 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