{"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\/sl\/blog\/news\/pervyj-stabilnyj-vypusk-ferretdb-realizaczii-mongodb-na-baze-subd-postgresql","title":{"rendered":"Prva stabilna izdaja FerretDB, implementacija MongoDB na osnovi SGBD PostgreSQL","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Objavljen je izdanak projekta FerretDB 1.0, koji omogu\u0107ava zamenu dokumentno-orijentisane baze podataka MongoDB sa PostgreSQL bez izmene koda aplikacija. FerretDB je implementiran kao proxy server, koji prenosi zahteve za MongoDB u SQL upite za PostgreSQL, \u0161to omogu\u0107ava kori\u0161\u0107enje PostgreSQL kao stvarnog skladi\u0161ta podataka. Verzija 1.0 ozna\u010dena je kao prvo stabilno izdanje, spremno za \u0161iroku upotrebu. Kod je napisan na jeziku Go i distribuira se pod Apache 2.0 licenci.        <\/p>\n<p>Osnovna ciljana publika FerretDB-a su korisnici koji ne koriste napredne mogu\u0107nosti MongoDB-a u svojim aplikacijama, ali \u017eele da koriste potpuno otvoreni softverski paket. U trenutnoj fazi razvoja, FerretDB podr\u017eava podskup mogu\u0107nosti MongoDB-a, naj\u010de\u0161\u0107e kori\u0161\u0107enih u standardnim aplikacijama. Potreba za implementacijom FerretDB-a mo\u017ee se javiti u vezi sa prelaskom MongoDB-a na nelicenciranu SSPL licencu, koja je zasnovana na AGPLv3 licenci, ali nije otvorena, jer sadr\u017ei diskriminatorni zahtev o isporuci pod SSPL licencom ne samo koda same aplikacije, ve\u0107 i izvornog koda svih komponenti uklju\u010denih u pru\u017eanje cloud usluge.         <\/p>\n<p>MongoDB zauzima mesto izme\u0111u brzih i skalabilnih sistema koji upravljaju podacima u formatu klju\u010d\/vrednost i relacijskih baza podataka, funkcionalnih i pogodnih za formulisanje upita. MongoDB podr\u017eava skladi\u0161tenje dokumenata u JSON-sli\u010dnom formatu, ima dovoljno fleksibilan jezik za formulisanje upita, mo\u017ee kreirati indekse za razli\u010dite skladi\u0161tene atribute, efikasno obezbe\u0111uje skladi\u0161tenje velikih binarnih objekata, podr\u017eava logovanje operacija izmene i dodavanja podataka u bazu podataka, mo\u017ee raditi prema paradigmi Map\/Reduce, podr\u017eava replikaciju i izgradnju otpornih konfiguracija.     <\/p>\n<p>Me\u0111u promenama u FerretDB 1.0:  <\/p>\n<ul>\n<li class=\"l\"> Implementirane su komande createIndexes i dropIndexes za stvaranje i brisanje jednog ili vi\u0161e indeksa za kolekciju.\n<li class=\"l\"> Implementirana je komanda getMore za prikaz nove serije rezultata dobijenih izvr\u0161avanjem komandi koje vra\u0107aju kursor, kao \u0161to su find i aggregate.\n<li class=\"l\"> Dodata je podr\u0161ka za agregacijski operator $sum za izra\u010dunavanje zbira vrednosti grupe.\n<li class=\"l\"> Dodana podpora za operaterje $limit in $skip za omejevanje \u0161tevila in preskakovanje dokumentov med agregacijo.\n<li class=\"l\"> Dodana podpora za operater $count za \u0161tetje dokumentov med agregacijo.\n<li class=\"l\"> Dodana podpora za operater $unwind za raz\u010dlenjevanje polj matrike v vhodnih dokumentih in oblikovanje seznama z lo\u010denim dokumentom za vsak element matrike.\n<li class=\"l\"> Dodana delna podpora za ukaze collStats, dbStats in dataSize za pridobivanje statistike o zbirki in bazi podatkov ter velikosti podatkov.            <\/ul>\n<p>Izvor: <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 5.0.4 - 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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