{"id":121167,"date":"2024-12-29T15:46:00","date_gmt":"2024-12-29T13:46:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupny-ivorysql-4-0-i-synchdb-1-0-nadstrojki-k-postgresql-dlya-vzaimodejstviya-s-drugimi-subd"},"modified":"2024-12-29T15:46:00","modified_gmt":"2024-12-29T13:46:01","slug":"dostupny-ivorysql-4-0-i-synchdb-1-0-nadstrojki-k-postgresql-dlya-vzaimodejstviya-s-drugimi-subd","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/dostupny-ivorysql-4-0-i-synchdb-1-0-nadstrojki-k-postgresql-dlya-vzaimodejstviya-s-drugimi-subd","title":{"rendered":"Est\u00e1n disponibles IvorySQL 4.0 y SynchDB 1.0, complementos para PostgreSQL que permiten la interacci\u00f3n con otras bases de datos.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Se ha publicado la versi\u00f3n del proyecto IvorySQL 4.0, que desarrolla una edici\u00f3n del sistema de gesti\u00f3n de bases de datos PostgreSQL, asegurando compatibilidad con aplicaciones dise\u00f1adas para funcionar con el sistema de gesti\u00f3n de bases de datos Oracle. IvorySQL permite actuar como un reemplazo transparente para la \u00faltima versi\u00f3n de PostgreSQL, cuya diferencia radica en la aparici\u00f3n de la configuraci\u00f3n &#171;compatible_db&#187;, que incluye un modo de compatibilidad con Oracle. El c\u00f3digo est\u00e1 escrito en C y se distribuye bajo la licencia Apache 2.0.    <\/p>\n<p>IvorySQL implementa el lenguaje de programaci\u00f3n PL\/iSQL, que replica la sintaxis de PL\/SQL en Oracle, soportando paquetes al estilo de Oracle y operaciones con paquetes, como &#171;CREATE PACKAGE&#187;. Se proporciona un conjunto de funciones y tipos compatible con Oracle, adem\u00e1s de que se admite la sintaxis espec\u00edfica de Oracle para operaciones, expresiones y operadores, tales como ALTER TABLE, DELETE, UPDATE, CONNECT BY (consultas jer\u00e1rquicas), GROUP BY, UNION y MINUS.      <\/p>\n<p>En la nueva versi\u00f3n:  <\/p>\n<ul>\n<li class=\"l\"> Se ha realizado la migraci\u00f3n a la base de c\u00f3digo de PostgreSQL 17.\n<li class=\"l\"> Se ha a\u00f1adido soporte para columnas invisibles, que permiten ocultar ciertas columnas para facilitar la migraci\u00f3n a nuevas aplicaciones (las columnas invisibles solo se muestran cuando se especifica su nombre y no aparecen en consultas generales como &#171;SELECT * FROM&#187;).\n<li class=\"l\"> Se han agregado funciones para la gesti\u00f3n de paquetes PL\/SQL, que permiten crear paquetes, cambiar sus par\u00e1metros y adjuntar descripciones. En psql, se ha a\u00f1adido un nuevo comando &#171;&#092;dk&#187; para operaciones con paquetes.\n<li class=\"l\"> Se ha mejorado el rendimiento en la gesti\u00f3n de paquetes PL\/SQL y se ha agregado soporte para la cach\u00e9 de paquetes.\n<li class=\"l\"> Se han propuesto nuevas funciones ACL para gestionar privilegios relacionados con los paquetes PL\/SQL.\n<li class=\"l\"> Se ha a\u00f1adido soporte para la extensi\u00f3n pg_get_functiondef con la implementaci\u00f3n de las funciones pg_get_functiondef(), pg_get_functiondef(OID, VARIADIC OID[]) y pg_get_functiondef(VARIADIC TEXT[]), que permiten obtener definiciones de funciones basadas en una lista de nombres de funciones especificada.\n<li class=\"l\"> Se han a\u00f1adido paquetes de instalaci\u00f3n para Ubuntu.  <\/ul>\n<p>Tambi\u00e9n se puede destacar el lanzamiento de la extensi\u00f3n SynchDB 1.0, destinada a la replicaci\u00f3n en PostgreSQL de datos de una o varias bases de datos externas, como MySQL, MS SQLServer y Oracle. Estas bases de datos externas act\u00faan como fuentes de datos que se transfieren directamente a una \u00fanica base de datos de destino basada en PostgreSQL, sin utilizar capas adicionales para orquestar el proceso de sincronizaci\u00f3n de datos (todas las operaciones de sincronizaci\u00f3n son gestionadas por la extensi\u00f3n SynchDB). El c\u00f3digo del proyecto est\u00e1 escrito en los lenguajes C y Java, y se distribuye bajo la licencia Apache 2.0. SynchDB 1.0 se marca como el primer lanzamiento estable del proyecto.    <\/p>\n<p>El sistema consta de seis componentes:  <\/p>\n<ul>\n<li class=\"l\"> Debezium Runner Engine &#8212; un motor en Java que proporciona m\u00f3dulos para procesar flujos de cambios de datos de diversas bases de datos (MySQL, MS SQLServer y Oracle) y transmitir los datos obtenidos en un formato JSON universal.\n<li class=\"l\"> SynchDB Worker &#8212; inicia instancias de Debezium Runner Engine para la replicaci\u00f3n de datos de bases de datos espec\u00edficas, recibe de ellas los cambios en formato JSON y los transmite al m\u00f3dulo de Format Converter.\n<li class=\"l\"> SynchDB Launcher &#8212; crea y finaliza los manejadores de SynchDB, utilizando la API de PostgreSQL para iniciar procesos en segundo plano.\n<li class=\"l\"> Format Converter &#8212; analiza el flujo de cambios en formato JSON, transforma tipos de datos externos y consultas DDL en tipos y consultas compatibles con PostgreSQL.\n<li class=\"l\"> Replication Agent &#8212; procesa la salida en formato HeapTupleData del Format Converter y ejecuta m\u00e9todos para insertar datos en PostgreSQL.\n<li class=\"l\"> Table Synch Agent (en desarrollo) &#8212; proporciona un m\u00e9todo efectivo para la sincronizaci\u00f3n inicial de tablas.  <\/ul>\n<p>      <center><img decoding=\"async\" alt=\"Est\u00e1n disponibles IvorySQL 4.0 y SynchDB 1.0, complementos para PostgreSQL que permiten la interacci\u00f3n con otras bases de datos.\" src=\"\/wp-content\/uploads\/2024\/12\/c8e38abad675ca21ad7d0ca36aa2ceea.png\" style=\"display:block;margin: 0 auto;\" \/><\/center><br \/>\n<br \/>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62483\">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 \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0440\u043e\u0435\u043a\u0442\u0430 IvorySQL 4.0, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0440\u0435\u0434\u0430\u043a\u0446\u0438\u044e \u0421\u0423\u0411\u0414 PostgreSQL, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0443\u044e \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u044c \u0441 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f\u043c\u0438, \u0440\u0430\u0441\u0441\u0447\u0438\u0442\u0430\u043d\u043d\u044b\u043c\u0438 \u043d\u0430 \u0440\u0430\u0431\u043e\u0442\u0443 \u0441 \u0421\u0423\u0411\u0414 Oracle. \u0412 IvorySQL \u0437\u0430\u044f\u0432\u043b\u0435\u043d\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0440\u0430\u0431\u043e\u0442\u044b \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043f\u0440\u043e\u0437\u0440\u0430\u0447\u043d\u043e\u0439 \u0437\u0430\u043c\u0435\u043d\u044b \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 PostgreSQL, \u043e\u0442\u043b\u0438\u0447\u0438\u0435 \u043e\u0442 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0441\u0432\u043e\u0434\u0438\u0442\u0441\u044f \u043a \u043f\u043e\u044f\u0432\u043b\u0435\u043d\u0438\u044e \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 &#171;compatible_db&#187;, \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0449\u0435\u0439 \u0440\u0435\u0436\u0438\u043c \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u0438 \u0441 Oracle. \u041a\u043e\u0434 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 \u0438 \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. [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":121168,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-121167","post","type-post","status-publish","format-standard","has-post-thumbnail","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 \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0440\u043e\u0435\u043a\u0442\u0430 IvorySQL 4.0, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0440\u0435\u0434\u0430\u043a\u0446\u0438\u044e \u0421\u0423\u0411\u0414 PostgreSQL, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0443\u044e 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