{"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\/pl\/blog\/news\/microsoft-otkryl-kod-subd-documentdb-osnovannoj-na-postgresql","title":{"rendered":"Microsoft otworzy\u0142 kod bazy danych DocumentDB opartej na PostgreSQL","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Firma Microsoft og\u0142osi\u0142a otwarcie kodu projektu DocumentDB, kt\u00f3ry mo\u017ce by\u0107 u\u017cywany jako odr\u0119bna baza NoSQL, platforma do tworzenia w\u0142asnych system\u00f3w przechowywania lub jako dodatek do przechowywania danych w formacie BSON w bazie danych PostgreSQL. W praktyce DocumentDB jest wykorzystywane przez Microsoft jako podstawa produktu \u201eAzure Cosmos DB for MongoDB\u201d, zapewniaj\u0105cego interfejs zgodny z baz\u0105 danych MongoDB nastawion\u0105 na dokumenty. Kod projektu zosta\u0142 napisany w j\u0119zyku C i jest rozpowszechniany na licencji MIT. Silnik DocumentDB zosta\u0142 zaimplementowany w formie rozszerzenia dla bazy danych PostgreSQL.    <\/p>\n<p>Podobnie jak w MongoDB, do przechowywania z\u0142o\u017conych dokument\u00f3w w DocumentDB wykorzystywany jest format BSON (Binarny JSON), kt\u00f3ry pozwala na tworzenie struktur hierarchicznych, w kt\u00f3rych jeden dokument i tablice mog\u0105 by\u0107 osadzone w innych dokumentach i tablicach. Kluczow\u0105 r\u00f3\u017cnic\u0105 w por\u00f3wnaniu do JSON jest u\u017cycie serializacji danych w binarnej formie. Projekt oferuje zar\u00f3wno operacje NoSQL do tworzenia, odczytywania, aktualizacji i usuwania danych w formacie BSON, jak i API dla standardowego PostgreSQL (DocumentDB mo\u017ce by\u0107 postrzegane jako wariant PostgreSQL z obs\u0142ug\u0105 BSON). DocumentDB mo\u017ce korzysta\u0107 z mo\u017cliwo\u015bci pe\u0142notekstowego wyszukiwania oraz operacji na wektorowych i geograficznych typach danych.      <\/p>\n<p>Projekt sk\u0142ada si\u0119 z dw\u00f3ch komponent\u00f3w:    <\/p>\n<ul>\n<li class=\"l\"> pg_documentdb_core \u2014 rozszerzenie do PostgreSQL z implementacj\u0105 typu BSON i operacji do pracy z danymi BSON w PostgreSQL.\n<li class=\"l\"> pg_documentdb \u2014 publiczne API DocumentDB z podstawowymi operacjami do pracy z dokumentami w formacie BSON, przetwarzania zapyta\u0144 i zarz\u0105dzania indeksami.  <\/ul>\n<p>Pierwsza wersja DocumentDB zapewnia wsparcie dla operacji CRUD (tworzenie, odczyt, aktualizacja, usuni\u0119cie), indeksy dla poszczeg\u00f3lnych p\u00f3l BSON, indeksy do pe\u0142notekstowego wyszukiwania (kompatybilne z RUM), zapytania wektorowe i geoprzeszennych (kompatybilne z pg_vector i postgis), mo\u017cliwo\u015bci formu\u0142owania zapyta\u0144 oraz agregowania danych BSON.    <\/p>\n<p>Projekt FerretDB, rozwijaj\u0105cy implementacj\u0119 bazy danych MongoDB na bazie PostgreSQL, ju\u017c przeszed\u0142 na korzystanie z DocumentDB. FerretDB pozwala na zast\u0105pienie w\u0142asno\u015bciowej bazy danych MongoDB ca\u0142kowicie otwartym stosem oprogramowania opartym na PostgreSQL, bez wprowadzania zmian w kodzie aplikacji. Konieczno\u015b\u0107 zamiany MongoDB wynika z przej\u015bcia tej bazy danych na licencj\u0119 SSPL, kt\u00f3ra opiera si\u0119 na licencji AGPLv3, ale nie jest otwarta, poniewa\u017c zawiera dyskryminuj\u0105ce wymaganie dostarczenia pod licencj\u0105 SSPL nie tylko kodu samej aplikacji, ale tak\u017ce kod\u00f3w \u017ar\u00f3d\u0142owych wszystkich komponent\u00f3w zaanga\u017cowanych w \u015bwiadczenie us\u0142ugi w chmurze.     <\/p>\n<p>Pocz\u0105tkowo dzia\u0142anie FerretDB polega\u0142o na translacji zapyta\u0144 do MongoDB na zapytania SQL do PostgreSQL, lecz od wersji FerretDB 2.0, kt\u00f3ra jest w fazie kandydackiej do wydania, do realizacji wsparcia formatu BSON wykorzystywane jest rozszerzenie DocumentDB dla PostgreSQL. Przej\u015bcie na u\u017cycie DocumentDB pozwoli\u0142o na zwi\u0119kszenie wydajno\u015bci FerretDB ponad 20 razy dla niekt\u00f3rych rodzaj\u00f3w obci\u0105\u017ce\u0144. W\u015br\u00f3d innych nowo\u015bci FerretDB 2.0 wymienia si\u0119 popraw\u0119 zgodno\u015bci z MongoDB, mo\u017cliwo\u015b\u0107 replikacji oraz wsparcie przeszukiwania wektorowego. Kod FerretDB jest napisany w j\u0119zyku Go i jest udost\u0119pniany na licencji Apache 2.0.<br \/>\n<br \/>\u0179r\u00f3d\u0142o: <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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