{"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\/hu\/blog\/news\/vypusk-ferretdb-0-3-realizaczii-mongodb-na-baze-subd-postgresql","title":{"rendered":"A FerretDB 0.3 kiad\u00e1sa, a MongoDB PostgreSQL alap\u00fa megval\u00f3s\u00edt\u00e1sa","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Megjelent a FerretDB 0.3 kiad\u00e1sa, amely lehet\u0151v\u00e9 teszi a MongoDB dokumentum-orient\u00e1lt DBMS PostgreSQL-re t\u00f6rt\u00e9n\u0151 cser\u00e9j\u00e9t an\u00e9lk\u00fcl, hogy a alkalmaz\u00e1sok k\u00f3dj\u00e1n v\u00e1ltoztatn\u00e1nk. A FerretDB egy proxy-kiszolg\u00e1l\u00f3k\u00e9nt m\u0171k\u00f6dik, amely a MongoDB h\u00edv\u00e1sait SQL-k\u00e9rd\u00e9sekk\u00e9 transzform\u00e1lja a PostgreSQLhez, lehet\u0151v\u00e9 t\u00e9ve, hogy a PostgreSQL t\u00e9nyleges t\u00e1rol\u00f3k\u00e9nt funkcion\u00e1ljon. A k\u00f3d Go nyelven k\u00e9sz\u00fclt, \u00e9s az Apache 2.0 licenc alatt terjesztik. <\/p>\n

A migr\u00e1ci\u00f3s ig\u00e9ny a MongoDB SSPL nem szabad licenc\u00e9re val\u00f3 \u00e1tt\u00e9tele miatt mer\u00fclhet fel, amely az AGPLv3 licenc alapj\u00e1n k\u00e9sz\u00fclt, de nem tekinthet\u0151 ny\u00edlt forr\u00e1sk\u00f3d\u00fa szoftvernek, mivel diszkr\u00e9t k\u00f6vetelm\u00e9nyt tartalmaz az SSPL licenc al\u00e1 tartoz\u00f3 nemcsak az alkalmaz\u00e1s k\u00f3dj\u00e1nak, hanem az \u00f6sszes \u00e9rintett komponenst forr\u00e1sk\u00f3dj\u00e1nak biztos\u00edt\u00e1s\u00e1ra, amelyek a felh\u0151szolg\u00e1ltat\u00e1s ny\u00fajt\u00e1s\u00e1ban r\u00e9szt vesznek. <\/p>\n

A FerretDB f\u0151 c\u00e9lk\u00f6z\u00f6ns\u00e9ge azok a felhaszn\u00e1l\u00f3k, akik nem haszn\u00e1lj\u00e1k a MongoDB kiterjesztett funkci\u00f3it az alkalmaz\u00e1saikban, de teljesen ny\u00edlt forr\u00e1sk\u00f3d\u00fa szoftverstackot k\u00edv\u00e1nnak haszn\u00e1lni. Jelenlegi fejleszt\u00e9si szakasz\u00e1ban a FerretDB csak a MongoDB leggyakrabban haszn\u00e1lt funkci\u00f3it t\u00e1mogatja, de a j\u00f6v\u0151ben v\u00e1rhat\u00f3an teljes kompatibilit\u00e1st fog el\u00e9rni a MongoDB illeszt\u0151programj\u00e1val, \u00e9s lehet\u0151s\u00e9get k\u00edn\u00e1l a FerretDB \u00e1tl\u00e1tsz\u00f3 helyettes\u00edt\u00e9s\u00e9re a MongoDB sz\u00e1m\u00e1ra. <\/p>\n

A MongoDB a gyors \u00e9s sk\u00e1l\u00e1zhat\u00f3 rendszerek \u00e9s a rel\u00e1ci\u00f3s adatb\u00e1zisok k\u00f6z\u00f6tt helyezkedik el, amelyek funkcionalit\u00e1sa \u00e9s k\u00e9rd\u00e9sform\u00e1l\u00e1si egyszer\u0171s\u00e9ge jelent\u0151s. A MongoDB t\u00e1mogatja a dokumentumok t\u00e1rol\u00e1s\u00e1t JSON-szer\u0171 form\u00e1tumban, el\u00e9g rugalmas lek\u00e9rdez\u00e9si nyelv\u00e9nek k\u00f6sz\u00f6nhet\u0151en k\u00fcl\u00f6nf\u00e9le t\u00e1rolt attrib\u00fatumok indexel\u00e9s\u00e9re k\u00e9pes, hat\u00e9konyan biztos\u00edtja a nagy bin\u00e1ris objektumok t\u00e1rol\u00e1s\u00e1t, t\u00e1mogatja az adatok m\u00f3dos\u00edt\u00e1s\u00e1ra \u00e9s hozz\u00e1ad\u00e1s\u00e1ra vonatkoz\u00f3 m\u0171veletek napl\u00f3z\u00e1s\u00e1t, m\u0171k\u00f6dhet a Map\/Reduce paradigm\u00e1j\u00e1ban, \u00e9s t\u00e1mogatja a replik\u00e1ci\u00f3t \u00e9s a hibat\u0171r\u0151 konfigu\u00e1ci\u00f3k fel\u00e1ll\u00edt\u00e1s\u00e1t. <\/p>\n

A FerretDB 0.3 kiad\u00e1s\u00e1ban megval\u00f3s\u00edtott\u00e1k a findAndModify parancsot, amely m\u00f3dos\u00edtja a dokumentumot, de visszaadja annak eredeti verzi\u00f3j\u00e1t. Megval\u00f3s\u00edtott\u00e1k a mez\u0151k friss\u00edt\u00e9si oper\u00e1torait \u2014 $inc \u00e9s $set. Hozz\u00e1adt\u00e1k a skalar adattypusok rendez\u00e9s\u00e9nek t\u00e1mogat\u00e1s\u00e1t.
\n
Forr\u00e1s: 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\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 kiad\u00e1s, a MongoDB PostgreSQL alap\u00fa megval\u00f3s\u00edt\u00e1sa | 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