A Microsoft bejelentette a DocumentDB projekt forr\u00e1sk\u00f3dj\u00e1nak megnyit\u00e1s\u00e1t, amely k\u00fcl\u00f6n\u00e1ll\u00f3 NoSQL adatb\u00e1zisk\u00e9nt, saj\u00e1t t\u00e1rhelyS rendszer l\u00e9trehoz\u00e1s\u00e1hoz platformk\u00e9nt, vagy kieg\u00e9sz\u00edt\u0151k\u00e9nt haszn\u00e1lhat\u00f3 BSON form\u00e1tum\u00fa adatok PostgreSQL adatb\u00e1zisban val\u00f3 t\u00e1rol\u00e1s\u00e1ra. A gyakorlatban a DocumentDB-t a Microsoft az \u00abAzure Cosmos DB for MongoDB\u00bb term\u00e9k alapjak\u00e9nt alkalmazza, amely a MongoDB dokumentum-orient\u00e1lt adatb\u00e1zissal kompatibilis interf\u00e9szt biztos\u00edt. A projekt k\u00f3dja C nyelven k\u00e9sz\u00fclt, \u00e9s MIT licenc alatt terjesztik. A DocumentDB motorjak\u00e9nt PostgreSQL f\u00f6l\u00f6tti kieg\u00e9sz\u00edt\u0151k\u00e9nt val\u00f3sult meg. <\/p>\n
A MongoDB-hez hasonl\u00f3an a struktur\u00e1lt dokumentumok t\u00e1rol\u00e1s\u00e1hoz a DocumentDB a JSON-szer\u0171 BSON (Bin\u00e1ris JSON) form\u00e1tumot haszn\u00e1lja, amely lehet\u0151v\u00e9 teszi hierarchikus strukt\u00far\u00e1k kialak\u00edt\u00e1s\u00e1t, ahol egyes dokumentumok \u00e9s t\u00f6mb\u00f6k be\u00e1gyazhat\u00f3k m\u00e1s dokumentumokba \u00e9s t\u00f6mb\u00f6kbe. A kulcsfontoss\u00e1g\u00fa k\u00fcl\u00f6nbs\u00e9g a JSON-t\u00f3l az adatok bin\u00e1ris reprezent\u00e1ci\u00f3ba val\u00f3 sorozatba \u00e1ll\u00edt\u00e1sa. A projekt NoSQL m\u0171veleteket biztos\u00edt BSON form\u00e1tumban t\u00f6rt\u00e9n\u0151 adatok l\u00e9trehoz\u00e1s\u00e1ra, olvas\u00e1s\u00e1ra, friss\u00edt\u00e9s\u00e9re \u00e9s t\u00f6rl\u00e9s\u00e9re, valamint API-t a szok\u00e1sos PostgreSQL-hez (a DocumentDB PostgreSQL-k\u00e9nt is felfoghat\u00f3 a BSON t\u00e1mogat\u00e1ssal). A DocumentDB kihaszn\u00e1lhatja a teljes sz\u00f6veg keres\u00e9s lehet\u0151s\u00e9geit, a vektoros \u00e9s t\u00e9rbeli adatt\u00edpusokkal v\u00e9gzett m\u0171veleteket. <\/p>\n
A projekt k\u00e9t \u00f6sszetev\u0151b\u0151l \u00e1ll: <\/p>\n
A DocumentDB els\u0151 kiad\u00e1sa t\u00e1mogatja a CRUD (l\u00e9trehoz\u00e1s, olvas\u00e1s, friss\u00edt\u00e9s, t\u00f6rl\u00e9s) m\u0171veleteket, k\u00fcl\u00f6nf\u00e9le BSON mez\u0151k indexel\u00e9s\u00e9t, teljes sz\u00f6veges keres\u00e9si indexeket (kompatibilis a RUM-mal), vektoros \u00e9s f\u00f6ldrajzi lek\u00e9rdez\u00e9seket (kompatibilis a pg_vector \u00e9s a postgis szolg\u00e1ltat\u00e1sokkal), valamint a BSON adatok lek\u00e9rdez\u00e9s\u00e9nek \u00e9s aggreg\u00e1l\u00e1s\u00e1nak lehet\u0151s\u00e9geit. <\/p>\n
A FerretDB projekt, amely a PostgreSQL alap\u00fa MongoDB adatb\u00e1zis-kezel\u0151 rendszer megval\u00f3s\u00edt\u00e1s\u00e1t fejleszti, m\u00e1r \u00e1t\u00e1llt a DocumentDB haszn\u00e1lat\u00e1ra. A FerretDB lehet\u0151v\u00e9 teszi, hogy a MongoDB z\u00e1rtk\u00f6r\u0171 dokumentum-orient\u00e1lt adatb\u00e1zist k\u00f3dm\u00f3dos\u00edt\u00e1s n\u00e9lk\u00fcl egy teljesen ny\u00edlt programstekk\u00e9, PostgreSQL alap\u00fara cser\u00e9lj\u00fck. A MongoDB cser\u00e9j\u00e9nek sz\u00fcks\u00e9gess\u00e9g\u00e9t az SSPL licencre val\u00f3 \u00e1tt\u00e9r\u00e9s indokolja, amely az AGPLv3 licencen alapul, de nem ny\u00edlt forr\u00e1sk\u00f3d\u00fa, mivel diszkr\u00e9t k\u00f6vetelm\u00e9nyeket tartalmaz az SSPL licenc al\u00e1 t\u00f6rt\u00e9n\u0151, nemcsak az alkalmaz\u00e1s k\u00f3dj\u00e1nak, hanem az \u00f6sszes kapcsol\u00f3d\u00f3 \u00f6sszetev\u0151 forr\u00e1sk\u00f3dj\u00e1nak \u00e1tad\u00e1s\u00e1ra vonatkoz\u00f3an, amelyek az olyan felh\u0151szolg\u00e1ltat\u00e1s ny\u00fajt\u00e1s\u00e1ban \u00e9rintettek. <\/p>\n
A FerretDB m\u0171k\u00f6d\u00e9se kezdetben a MongoDB-hez int\u00e9zett lek\u00e9rdez\u00e9sek SQL k\u00e9rd\u00e9sekk\u00e9 val\u00f3 transzform\u00e1l\u00e1s\u00e1ra korl\u00e1toz\u00f3dott a PostgreSQL-hez, de a FerretDB 2.0 verzi\u00f3j\u00e1t\u00f3l, amely m\u00e1r a kiad\u00e1sra jel\u00f6lt f\u00e1zisban van, a BSON form\u00e1tum t\u00e1mogat\u00e1s\u00e1nak megval\u00f3s\u00edt\u00e1s\u00e1hoz a DocumentDB PostgreSQL b\u0151v\u00edtm\u00e9nyt haszn\u00e1lnak. A DocumentDB haszn\u00e1lat\u00e1ra val\u00f3 \u00e1tt\u00e9r\u00e9s lehet\u0151v\u00e9 tette a FerretDB teljes\u00edtm\u00e9ny\u00e9nek t\u00f6bb mint 20-szoros n\u00f6vel\u00e9s\u00e9t egyes terhel\u00e9si t\u00edpusok eset\u00e9n. A FerretDB 2.0 egy\u00e9b \u00fajdons\u00e1gai k\u00f6z\u00e9 tartozik a MongoDB-vel val\u00f3 jobb kompatibilit\u00e1s, a replik\u00e1ci\u00f3 lehet\u0151s\u00e9ge \u00e9s a vektoros keres\u00e9s t\u00e1mogat\u00e1sa. A FerretDB k\u00f3dja Go nyelven \u00edr\u00f3dott, \u00e9s az Apache 2.0 licenc alatt v\u00e1lik el\u00e9rhet\u0151v\u00e9. \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 «Azure Cosmos DB for MongoDB», \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 […]<\/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\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47A Microsoft megnyitotta a PostgreSQL alap\u00fa DocumentDB adatb\u00e1zis k\u00f3dj\u00e1t | ProHoster","description":"A Microsoft bejelentette a DocumentDB projekt k\u00f3dj\u00e1nak megnyit\u00e1s\u00e1t, amelyet k\u00fcl\u00f6n NoSQL adatb\u00e1zisk\u00e9nt, saj\u00e1t t\u00e1rol\u00e1si rendszerek l\u00e9trehoz\u00e1s\u00e1ra szolg\u00e1l\u00f3 platformk\u00e9nt vagy adatok t\u00e1rol\u00e1s\u00e1nak 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