{"id":107696,"date":"2023-04-04T12:48:31","date_gmt":"2023-04-04T10:48:31","guid":{"rendered":"https:\/\/prohoster.info\/?p=107696"},"modified":"2023-04-04T19:05:56","modified_gmt":"2023-04-04T17:05:56","slug":"pervyj-stabilnyj-vypusk-ferretdb-realizaczii-mongodb-na-baze-subd-postgresql","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/pervyj-stabilnyj-vypusk-ferretdb-realizaczii-mongodb-na-baze-subd-postgresql","title":{"rendered":"Premi\u00e8re version stable de FerretDB, l'impl\u00e9mentation de MongoDB bas\u00e9e sur la base de donn\u00e9es PostgreSQL.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>La version 1.0 du projet FerretDB a \u00e9t\u00e9 publi\u00e9e, permettant de remplacer la base de donn\u00e9es orient\u00e9e documents MongoDB par PostgreSQL sans modifier le code des applications. FerretDB est impl\u00e9ment\u00e9 comme un proxy qui traduit les demandes adress\u00e9es \u00e0 MongoDB en requ\u00eates SQL pour PostgreSQL, permettant ainsi d'utiliser PostgreSQL comme v\u00e9ritable stockage. La version 1.0 est marqu\u00e9e comme le premier lancement stable, pr\u00eat \u00e0 \u00eatre utilis\u00e9 partout. Le code est \u00e9crit en Go et est distribu\u00e9 sous la licence Apache 2.0.        <\/p>\n<p>Le principal public cible de FerretDB est constitu\u00e9 d'utilisateurs qui n'exploitent pas les fonctionnalit\u00e9s avanc\u00e9es de MongoDB dans leurs applications, mais souhaitent utiliser une pile logicielle enti\u00e8rement open source. \u00c0 ce stade de d\u00e9veloppement, FerretDB prend en charge un sous-ensemble des fonctionnalit\u00e9s de MongoDB, les plus couramment utilis\u00e9es dans les applications typiques. La n\u00e9cessit\u00e9 d'adopter FerretDB peut surgir en raison du passage de MongoDB \u00e0 une licence propri\u00e9taire SSPL, qui est bas\u00e9e sur la licence AGPLv3, mais qui n'est pas ouverte car elle contient une exigence discriminatoire de livraison sous la licence SSPL non seulement du code de l'application elle-m\u00eame, mais aussi des codes sources de tous les composants impliqu\u00e9s dans la fourniture du service cloud.         <\/p>\n<p>MongoDB occupe une niche entre les syst\u00e8mes rapides et \u00e9volutifs manipulant des donn\u00e9es au format cl\u00e9\/valeur, et les SGBD relationnels, fonctionnels et faciles \u00e0 interroger. MongoDB prend en charge le stockage de documents au format similaire \u00e0 JSON, dispose d'un langage suffisamment flexible pour \u00e9laborer des requ\u00eates, peut cr\u00e9er des index pour divers attributs stock\u00e9s, assure efficacement le stockage de grands objets binaires, prend en charge le journal des op\u00e9rations de modification et d'ajout de donn\u00e9es \u00e0 la base de donn\u00e9es, peut travailler selon le paradigme Map\/Reduce, et prend en charge la r\u00e9plication et la construction de configurations tol\u00e9rantes aux pannes.     <\/p>\n<p>Parmi les changements dans FerretDB 1.0 :  <\/p>\n<ul>\n<li class=\"l\"> Les commandes createIndexes et dropIndexes ont \u00e9t\u00e9 impl\u00e9ment\u00e9es pour cr\u00e9er et supprimer un ou plusieurs index d'une collection.\n<li class=\"l\"> La commande getMore a \u00e9t\u00e9 impl\u00e9ment\u00e9e pour afficher un nouveau lot de r\u00e9sultats obtenu lors de l'ex\u00e9cution de commandes renvoyant un curseur, telles que find et aggregate.\n<li class=\"l\"> Le support de l'op\u00e9rateur d'agr\u00e9gation $sum a \u00e9t\u00e9 ajout\u00e9 pour calculer la somme des valeurs d'un groupe.\n<li class=\"l\"> Le support des op\u00e9rateurs $limit et $skip a \u00e9t\u00e9 ajout\u00e9 pour limiter le nombre de documents et en ignorer lors de l'agr\u00e9gation.\n<li class=\"l\"> Le support de l'op\u00e9rateur $count a \u00e9t\u00e9 ajout\u00e9 pour le d\u00e9compte des documents lors de l'agr\u00e9gation.\n<li class=\"l\"> Le support de l'op\u00e9rateur $unwind a \u00e9t\u00e9 ajout\u00e9 pour exploser les champs de tableau dans les documents entrants et cr\u00e9er une liste avec un document s\u00e9par\u00e9 pour chaque \u00e9l\u00e9ment du tableau.\n<li class=\"l\"> Un support partiel des commandes collStats, dbStats et dataSize a \u00e9t\u00e9 ajout\u00e9 pour obtenir des statistiques sur les collections et la base de donn\u00e9es, ainsi que sur la taille des donn\u00e9es.            <\/ul>\n<p>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=58915\">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 FerretDB 1.0, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0437\u0430\u043c\u0435\u043d\u0438\u0442\u044c \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u043e-\u043e\u0440\u0438\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u0443\u044e \u0421\u0423\u0411\u0414 MongoDB \u043d\u0430 PostgreSQL \u0431\u0435\u0437 \u0432\u043d\u0435\u0441\u0435\u043d\u0438\u044f \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0432 \u043a\u043e\u0434 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439. FerretDB \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d \u043a\u0430\u043a \u043f\u0440\u043e\u043a\u0441\u0438-\u0441\u0435\u0440\u0432\u0435\u0440, \u0442\u0440\u0430\u043d\u0441\u043b\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u043a MongoDB \u0432 SQL-\u0437\u0430\u043f\u0440\u043e\u0441\u044b \u043a PostgreSQL, \u0447\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c PostgreSQL \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0444\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0430. \u0412\u0435\u0440\u0441\u0438\u044f 1.0 \u043e\u0442\u043c\u0435\u0447\u0435\u043d\u0430 \u043a\u0430\u043a \u043f\u0435\u0440\u0432\u044b\u0439 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a, \u0433\u043e\u0442\u043e\u0432\u044b\u0439 \u0434\u043b\u044f \u043f\u043e\u0432\u0441\u0435\u043c\u0435\u0441\u0442\u043d\u043e\u0433\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f. \u041a\u043e\u0434 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Go \u0438 [&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-107696","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 \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0440\u043e\u0435\u043a\u0442\u0430 FerretDB 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