{"id":104224,"date":"2022-06-02T15:37:06","date_gmt":"2022-06-02T13:37:06","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-ferretdb-0-3-realizaczii-mongodb-na-baze-subd-postgresql"},"modified":"2022-06-02T15:37:06","modified_gmt":"2022-06-02T13:37:06","slug":"vypusk-ferretdb-0-3-realizaczii-mongodb-na-baze-subd-postgresql","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/vypusk-ferretdb-0-3-realizaczii-mongodb-na-baze-subd-postgresql","title":{"rendered":"FerretDB 0.3 v\u00e4ljaanne, MongoDB elluviimine PostgreSQL andmebaasil.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Avaldatud FerretDB 0.3 v\u00e4ljaanne, mis v\u00f5imaldab asendada dokumentide keskse andmebaasi MongoDB PostgreSQL-iga ilma rakenduste koodis muudatusi tegemata. FerretDB on v\u00e4lja t\u00f6\u00f6tatud kui proxy-server, mis teisendab MongoDB p\u00e4ringud SQL-p\u00e4ringuteks PostgreSQL-ile, v\u00f5imaldades PostgreSQL-i kasutada tegeliku salvestusena. Kood on kirjutatud Go keeles ja levitatakse Apache 2.0 litsentsi alusel. <\/p>\n

Migratsiooni vajadus v\u00f5ib tekkida seoses MongoDB \u00fcleminekuga mitteavaldavale SSPL litsentsile, mis p\u00f5hineb AGPLv3 litsentsil, kuid ei ole avatud, kuna sisaldab diskrimineerivat n\u00f5uet pakkuda SSPL litsentsi all mitte ainult rakenduse koodi, vaid ka k\u00f5igi komponentide l\u00e4htekoodide, mis on seotud pilveteenuse osutamisega. <\/p>\n

FerretDB peamine sihtr\u00fchm koosneb kasutajatest, kes ei kasuta oma rakendustes MongoDB edasisi v\u00f5imalusi, kuid soovivad t\u00e4iesti avatud tarkvara tehnoloogiat. K\u00e4esoleval arenguetapil toetab FerretDB alles osa MongoDB funktsioonidest, mida k\u00f5ige sagedamini kasutatakse t\u00fc\u00fcpilistes rakendustes. Tulevikus plaanivad nad saavutada t\u00e4ielikku \u00fchilduvust MongoDB draiveritega ja pakkuda v\u00f5imalust kasutada FerretDB l\u00e4bipaistva asendusena MongoDB-le. <\/p>\n

MongoDB asub positsioon kiirete ja skaleeritavate s\u00fcsteemide vahel, mis t\u00f6\u00f6tlevad andmeid v\u00f5tme\/v\u00e4\u00e4rtuse formaadis, ning relatsiooniliste andmebaaside vahel, mis on funktsionaalsed ja mugavad p\u00e4ringute koostamiseks. MongoDB toetab dokumentide salvestamist JSON-sarnases formaadis, omab piisavalt paindlikku p\u00e4ringute keelt, suudab luua indekseid erinevate salvestatud atribuutide jaoks, t\u00f5husalt haldab suurte binaarsete objektide salvestamist, toetab andmebaasis andmete muutmise ja lisamise toimingute logimist, suudab t\u00f6\u00f6tada Map\/Reduce paradigmas, toetab replikatsiooni ja talitlush\u00e4irete v\u00e4ltimise konfiguratsioonide loomist. <\/p>\n

FerretDB 0.3 v\u00e4ljaandega on lisatud findAndModify k\u00e4sk, mis muudab dokumenti, kuid tagastab selle algse versiooni. Uuendatud on v\u00e4ljade v\u00e4rskendamise operaatorid \u2014 $inc ja $set. Lisatud on tugi skalaart\u00fc\u00fcpi andmete sorteerimiseks.
\n
Allikas: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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\u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 Apache 2.0. \u041f\u043e\u0442\u0440\u0435\u0431\u043d\u043e\u0441\u0442\u044c \u043c\u0438\u0433\u0440\u0430\u0446\u0438\u0438 \u043c\u043e\u0436\u0435\u0442 \u0432\u043e\u0437\u043d\u0438\u043a\u043d\u0443\u0442\u044c \u0432 \u0441\u0432\u044f\u0437\u0438 […]<\/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-104224","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\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\udd47FerretDB 0.3 v\u00e4ljalase, MongoDB teostus PostgreSQL andmebaasihalduri baasil | 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