{"id":121505,"date":"2025-01-27T15:46:01","date_gmt":"2025-01-27T13:46:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/microsoft-otkryl-kod-subd-documentdb-osnovannoj-na-postgresql"},"modified":"2025-01-27T15:46:01","modified_gmt":"2025-01-27T13:46:01","slug":"microsoft-otkryl-kod-subd-documentdb-osnovannoj-na-postgresql","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/microsoft-otkryl-kod-subd-documentdb-osnovannoj-na-postgresql","title":{"rendered":"Microsoft ha rilasciato il codice del database DocumentDB, basato su PostgreSQL","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Microsoft ha annunciato l'apertura del codice del progetto DocumentDB, che pu\u00f2 essere utilizzato come un database NoSQL autonomo, come piattaforma per costruire sistemi di archiviazione personalizzati, o come complemento per l'archiviazione di dati in formato BSON nel database PostgreSQL. Nella pratica, DocumentDB \u00e8 utilizzato da Microsoft come base del prodotto \u00abAzure Cosmos DB for MongoDB\u00bb, che fornisce un'interfaccia compatibile con il database orientato ai documenti MongoDB. Il codice del progetto \u00e8 scritto in linguaggio C e distribuito con licenza MIT. Il motore DocumentDB \u00e8 implementato come un'estensione del database PostgreSQL.    <\/p>\n<p>Come in MongoDB, per l'archiviazione di documenti strutturati in DocumentDB viene impiegato un formato simile a JSON, BSON (Binary JSON), che consente di creare strutture gerarchiche in cui alcuni documenti e array possono essere incorporati in altri documenti e array. La principale differenza rispetto a JSON \u00e8 l'uso della serializzazione dei dati in una rappresentazione binaria. Il progetto offre sia operazioni NoSQL per la creazione, lettura, aggiornamento e cancellazione di dati in formato BSON, sia API per PostgreSQL standard (DocumentDB pu\u00f2 essere considerato una variante di PostgreSQL con supporto per BSON). In DocumentDB possono essere utilizzate funzionalit\u00e0 di ricerca testuale completo, operazioni su tipi di dati vettoriali e geospaziali.      <\/p>\n<p>Il progetto \u00e8 composto da due componenti:    <\/p>\n<ul>\n<li class=\"l\"> pg_documentdb_core \u2014 un'estensione per PostgreSQL con l'implementazione del tipo BSON e operazioni per lavorare con i dati BSON in PostgreSQL.\n<li class=\"l\"> pg_documentdb \u2014 API pubblica di DocumentDB con operazioni di base per lavorare con documenti in formato BSON, gestione delle richieste e gestione degli indici.  <\/ul>\n<p>Il primo rilascio di DocumentDB fornisce supporto per le operazioni CRUD (creazione, lettura, aggiornamento, cancellazione), indici per singoli campi BSON, indici per la ricerca full-text (compatibili con RUM), query vettoriali e geospaziali (compatibili con pg_vector e postgis), funzionalit\u00e0 per la formazione di query e aggregazione dei dati BSON.    <\/p>\n<p>Il progetto FerretDB ha gi\u00e0 adottato DocumentDB, sviluppando l'implementazione del database MongoDB basato su PostgreSQL. FerretDB consente di sostituire il database proprietario MongoDB, senza modificare il codice delle applicazioni, con un'intera stack software aperto, basato su PostgreSQL. La necessit\u00e0 di sostituire MongoDB \u00e8 spiegata dal passaggio di questo database alla licenza SSPL, che si basa sulla licenza AGPLv3, ma non \u00e8 aperta, in quanto contiene requisiti discriminatori per la fornitura sotto licenza SSPL non solo del codice dell'applicazione, ma anche dei sorgenti di tutti i componenti coinvolti nella fornitura del servizio cloud.     <\/p>\n<p>Inizialmente, il lavoro di FerretDB consisteva nella traduzione delle richieste a MongoDB in query SQL per PostgreSQL, ma a partire dalla versione 2.0 di FerretDB, attualmente in fase di candidatura per il rilascio, \u00e8 stato utilizzato l'estensione per PostgreSQL DocumentDB per implementare il supporto per il formato BSON. L'adozione di DocumentDB ha consentito un aumento della performance di FerretDB per alcuni tipi di carico di lavoro di oltre 20 volte. Tra le altre novit\u00e0 di FerretDB 2.0 si segnalano miglioramenti nella compatibilit\u00e0 con MongoDB, la possibilit\u00e0 di replica e il supporto per la ricerca vettoriale. Il codice di FerretDB \u00e8 scritto in Go e distribuito sotto licenza Apache 2.0.<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62621\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Microsoft \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e\u0431 \u043e\u0442\u043a\u0440\u044b\u0442\u0438\u0438 \u043a\u043e\u0434\u0430 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 DocumentDB, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043c\u043e\u0436\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u043a\u0430\u043a \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u0430\u044f NoSQL \u0421\u0423\u0411\u0414, \u043a\u0430\u043a \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430 \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0438\u043b\u0438 \u043a\u0430\u043a \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0434\u043b\u044f \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 BSON \u0432 \u0421\u0423\u0411\u0414 PostgreSQL. \u041d\u0430 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u0435 DocumentDB \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u0432 Microsoft \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043e\u0441\u043d\u043e\u0432\u044b \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0430 &#171;Azure Cosmos DB for MongoDB&#187;, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441, \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u044b\u0439 \u0441 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u043e-\u043e\u0440\u0438\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u0421\u0423\u0411\u0414 [&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-121505","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Microsoft \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e\u0431 \u043e\u0442\u043a\u0440\u044b\u0442\u0438\u0438 \u043a\u043e\u0434\u0430 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 DocumentDB, 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