{"id":102410,"date":"2021-11-28T09:36:38","date_gmt":"2021-11-28T07:36:39","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-postgrest-9-0-0-nadstrojki-dlya-prevrashheniya-bd-v-api-restful"},"modified":"2021-11-28T09:36:38","modified_gmt":"2021-11-28T07:36:39","slug":"reliz-postgrest-9-0-0-nadstrojki-dlya-prevrashheniya-bd-v-api-restful","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/reliz-postgrest-9-0-0-nadstrojki-dlya-prevrashheniya-bd-v-api-restful","title":{"rendered":"Vydanie PostgREST 9.0.0, nadstavba na transform\u00e1ciu DB na API RESTful","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Bol spusten\u00fd PostgREST 9.0.0, samostatn\u00fd webov\u00fd server s implement\u00e1ciou \u013eahkej nadstavby k S\u00daDB PostgreSQL, ktor\u00fd prev\u00e1dza objekty z existuj\u00facej datab\u00e1zy na RESTful API. Namiesto odr\u00e1\u017eania rela\u010dn\u00fdch \u00fadajov v objektoch (ORM) sa v PostgREST vytv\u00e1raj\u00fa poh\u013eady priamo v datab\u00e1ze. Na strane DB sa tie\u017e vykon\u00e1va serializ\u00e1cia odpoved\u00ed JSON, overovanie \u00fadajov a autoriz\u00e1cia. V\u00fdkon syst\u00e9mu je dostato\u010dn\u00fd na spracovanie a\u017e 2000 po\u017eiadaviek za sekundu na typovom <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sk\/server\/dts-newyork\/\"   title=\"serveri\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2689\">serveri<\/a>. K\u00f3d projektu je nap\u00edsan\u00fd v programovacom jazyku Haskell a \u0161\u00edri sa pod licenciou MIT.       <\/p>\n<p>Napr\u00edklad, pomocou samotn\u00e9ho mechanizmu opr\u00e1vnen\u00ed v datab\u00e1ze je mo\u017en\u00e9 poskytn\u00fa\u0165 pr\u00edstup k \u00fadajom (tabu\u013ek\u00e1m, poh\u013eadom a ulo\u017een\u00fdm proced\u00faram) prostredn\u00edctvom protokolu HTTP. Nie je potrebn\u00e9 tak\u00fato transform\u00e1ciu k\u00f3dova\u0165 a zvy\u010dajne sta\u010d\u00ed jeden pr\u00edkaz GRANT, aby sa tabu\u013eka stala pr\u00edstupnou cez REST API. Existuje mo\u017enos\u0165 nastavi\u0165 pr\u00edstup pomocou tokenu (JWT) a zorganizova\u0165 \u201emultitenancy\u201c prostredn\u00edctvom vyu\u017eitia dynamickej bezpe\u010dnosti na \u00farovni riadkov (Row Level Security).    <\/p>\n<p>Architektonicky PostgREST podnecuje d\u00e1ta orientovan\u00fa architekt\u00faru (Data-Oriented Architecture), kde mikroslu\u017eby si samy neuchov\u00e1vaj\u00fa stav, ale pou\u017e\u00edvaj\u00fa na to jednotn\u00fd pr\u00edstup k \u00fadajom (Data Access Layer).      <center><img decoding=\"async\" alt=\"Vydanie PostgREST 9.0.0, nadstavba na transform\u00e1ciu DB na API RESTful\" src=\"\/wp-content\/uploads\/2021\/11\/9065ad855f12bb16ed2b09369e5b46c9.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <\/p>\n<p>Medzi zmenami v novej verzii:  <\/p>\n<ul>\n<li class=\"l\"> Do sch\u00e9my ukladania do vyrovn\u00e1vacej pam\u00e4te boli pridan\u00e9 partizionovan\u00e9 tabu\u013eky, \u010do umo\u017enilo pre tak\u00e9to tabu\u013eky integrova\u0165 oper\u00e1cie UPSERT a INSERT do odpovede Location, vykon\u00e1va\u0165 po\u017eiadavky OPTIONS a implementova\u0165 podporu OpenAPI.\n<li class=\"l\"> Prostredn\u00edctvom RPC POST je povolen\u00e9 vyvol\u00e1va\u0165 funkcie s jedn\u00fdm nepomenovan\u00fdm parametrom.\n<li class=\"l\"> Je povolen\u00e9 volanie funkci\u00ed s jedn\u00fdm JSON-parametrom bez hlavi\u010dky \u201ePrefer: params=single-object\u201c.\n<li class=\"l\"> Je povolen\u00e9 na\u010d\u00edtava\u0165 do funkci\u00ed \u00fadaje typu bytea pomocou po\u017eiadaviek s \u201eContent-Type: application\/octet-stream\u201c.\n<li class=\"l\"> Je povolen\u00e9 na\u010d\u00edtava\u0165 do funkci\u00ed text pomocou po\u017eiadaviek s \u201eContent-Type: text\/plain\u201c.\n<li class=\"l\"> Pridala sa podpora pre \u00fanik znakov v dvojit\u00fdch z\u00e1tvork\u00e1ch, napr\u00edklad \u201e?col=in.('Double\\'Quote')\u201c, \u201e?col=in.('Back\\\\slash')\u201c.\n<li class=\"l\"> Bola poskytnut\u00e1 mo\u017enos\u0165 filtrova\u0165 zdroje prvej \u00farovne na z\u00e1klade zabudovan\u00fdch filtrov (\u201e\/projects?select=*,clients!inner(*)&amp;clients.id=eq.12\u201c).\n<li class=\"l\"> V oper\u00e1tore \u201eis\u201c je povolen\u00e9 pou\u017eitie hodnoty \u201eunknown\u201c.\n<li class=\"l\"> Zabezpe\u010den\u00e1 kompatibilita s PostgreSQL 14 a ukon\u010den\u00e1 podpora PostgreSQL 9.5.    <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56245\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 PostgREST 9.0.0, \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0435\u0433\u043e \u0432\u0435\u0431-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u043b\u0435\u0433\u043a\u043e\u0439 \u043d\u0430\u0434\u0441\u0442\u0440\u043e\u0439\u043a\u0438 \u043a \u0421\u0423\u0411\u0414 PostgreSQL, \u0442\u0440\u0430\u043d\u0441\u043b\u0438\u0440\u0443\u044e\u0449\u0435\u0439 \u043e\u0431\u044a\u0435\u043a\u0442\u044b \u0438\u0437 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u0439 \u0431\u0430\u0437\u044b \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 RESTful API. \u0412\u043c\u0435\u0441\u0442\u043e \u043e\u0442\u0440\u0430\u0436\u0435\u043d\u0438\u044f \u0440\u0435\u043b\u044f\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u043e\u0431\u044a\u0435\u043a\u0442\u044b (ORM) \u0432 PostgREST \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0441\u043e\u0437\u0434\u0430\u044e\u0442\u0441\u044f \u043f\u0440\u044f\u043c\u043e \u0432 \u0431\u0430\u0437\u0435 \u0434\u0430\u043d\u043d\u044b\u0445. \u041d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u0435 \u0411\u0414 \u0442\u0430\u043a\u0436\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f \u0441\u0435\u0440\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u043e\u0442\u0432\u0435\u0442\u043e\u0432 JSON, \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u0434\u0430\u043d\u043d\u044b\u0445 \u0438 \u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0438\u044f. \u041f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0434\u043b\u044f \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":102411,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-102410","post","type-post","status-publish","format-standard","has-post-thumbnail","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=\"\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 PostgREST 9.0.0, \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0435\u0433\u043e \u0432\u0435\u0431-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u043b\u0435\u0433\u043a\u043e\u0439 \u043d\u0430\u0434\u0441\u0442\u0440\u043e\u0439\u043a\u0438 \u043a 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