{"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\/et\/blog\/news\/pervyj-stabilnyj-vypusk-ferretdb-realizaczii-mongodb-na-baze-subd-postgresql","title":{"rendered":"FerretDB esimene stabiilne v\u00e4ljaanne, MongoDB rakendus PostgreSQL andmebaasi alusel","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Avaldatud on FerretDB 1.0 v\u00e4ljaanne, mis v\u00f5imaldab asendada dokumentide p\u00f5hise andmebaasi MongoDB PostgreSQL-iga ilma rakenduskoodi muutmata. FerretDB on rakendatud kui proxy-server, mis t\u00f5lgib MongoDB-p\u00e4ringud SQL-p\u00e4ringuteks PostgreSQL-ile, v\u00f5imaldades kasutada PostgreSQL-i tegeliku andmesalvestusena. Versioon 1.0 on t\u00e4histatud kui esimene stabiilne v\u00e4ljaanne, mis on valmis laialdaseks kasutamiseks. Kood on kirjutatud Go keeles ja jaotatakse Apache 2.0 litsentsi alusel.        <\/p>\n<p>FerretDB peamine sihtgrupp on kasutajad, kes ei kasuta oma rakendustes MongoDB ulatuslikke v\u00f5imalusi, kuid soovivad kasutada t\u00e4ielikult avatud tarkvarakogumit. Praeguses FerretDB arengu etapis toetatakse MongoDB-lt k\u00f5ige sagedamini kasutatavaid v\u00f5imalusi. FerretDB kasutuselev\u00f5tt v\u00f5ib osutuda vajalikuks seoses MongoDB \u00fcleminekuga mitteavaldikule SSPL litsentsile, mis p\u00f5hineb AGPLv3 litsentsil, kuid ei ole avatud, kuna sisaldab diskrimineerivat n\u00f5uet, milles n\u00f5utakse, et SSPL litsentsiga tagastataks mitte ainult rakenduse kood, vaid ka k\u00f5igi komponente allikaid, mis on seotud pilveteenuse pakkumisega.         <\/p>\n<p>MongoDB asub kiirete ja skaleeritavate s\u00fcsteemide vahel, mis t\u00f6\u00f6tlevad andmeid v\u00f5tme\/v\u00e4\u00e4rtuse formaadis, ja suheteooriaga andmebaaside vahel, mis on funktsionaalsed ning h\u00f5lpsasti kasutatavad p\u00e4ringute koostamisel. MongoDB toetab dokumentide salvestamist JSON-sarnases formaadis, omab piisavalt paindlikku keelt p\u00e4ringute koostamiseks, suudab luua indekseid erinevate salvestatud atribuutide jaoks, t\u00f5husalt hallata suuri binaarseid objekte, toetab tegevuste logimist andmete muutmiseks ja lisamiseks andmebaasi, suudab t\u00f6\u00f6tada Map\/Reduce paradigma kohaselt ning toetab replikatsiooni ja talitlush\u00e4iretega konfigureerimist.     <\/p>\n<p>FerretDB 1.0-s tehtud muudatused:  <\/p>\n<ul>\n<li class=\"l\"> Teostatud on k\u00e4sk createIndexes ja dropIndexes, et luua ja kustutada \u00fcks v\u00f5i mitu indeksit kogus.\n<li class=\"l\"> Teostatud on k\u00e4sk getMore, et kuvada uusi tulemusi, mis on saadud k\u00e4skudega, mis tagastavad kursori, nagu find ja aggregate.\n<li class=\"l\"> Lisatud on toetus agregatsiooni operaatorile $sum, et arvutada r\u00fchma v\u00e4\u00e4rtuste summa.\n<li class=\"l\"> Lisatud on toetus operaatoritele $limit ja $skip, et piirata arvu ja vahele j\u00e4tta dokumente agregatsiooni k\u00e4igus.\n<li class=\"l\"> Lisatud on toetus operaatorile $count, et lugeda dokumente agregatsiooni k\u00e4igus.\n<li class=\"l\"> Lisatud on toetus operaatorile $unwind, et anal\u00fc\u00fcsida sisenddokumentides olevate massiivide v\u00e4lju ja luua nimekiri, kus iga massiivi element on eraldi dokument.\n<li class=\"l\"> Lisatud on osaline toetus k\u00e4skudele collStats, dbStats ja dataSize, et saada statistikat kogu ja andmebaasi ning samuti andmete suuruse kohta.            <\/ul>\n<p>Allikas: <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 5.0.1.1 - 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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