{"id":88105,"date":"2020-07-12T13:42:29","date_gmt":"2020-07-12T11:42:29","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dlya-postgresql-podgotovleno-dopolnenie-age-dlya-hraneniya-dannyh-v-forme-grafa"},"modified":"2020-07-12T13:42:29","modified_gmt":"2020-07-12T11:42:29","slug":"dlya-postgresql-podgotovleno-dopolnenie-age-dlya-hraneniya-dannyh-v-forme-grafa","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/dlya-postgresql-podgotovleno-dopolnenie-age-dlya-hraneniya-dannyh-v-forme-grafa","title":{"rendered":"PostgreSQL-i jaoks on ette valmistatud AGE laiendus andmete salvestamiseks graafikujul.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

PostgreSQL jaoks ettepanek<\/a><\/noindex> AGE (AgensGraph-Extension) t\u00e4iendamisega, millel on avatud Cypher p\u00e4ringukeel openCypher<\/a><\/noindex> hierarhiliste andmeid sisaldavate seotud andmestike manipuleerimiseks, mis moodustavad graafiku. Veergude ja ridade asemel kasutavad grafiga seotud andmebaasid struktuuri, mis sarnaneb v\u00f5rguga \u2014 m\u00e4\u00e4ratakse s\u00f5lmed, nende omadused ja s\u00f5lmede vaheline seos. AGE GNU \u00dcldine Avaliku litsentsi alusel.<\/a><\/noindex> on litsentsiga Apache 2.0, mille on edastanud Bitnine Apache Sihtasutuse j\u00e4relevalve alla ja mis on praegu Apache inkubaatoris. <\/p>\n

Projekt j\u00e4tkab andmebaasi arendamist AgensGraph<\/a><\/noindex>, mis on universaalne kiht, mis korraldab juurdep\u00e4\u00e4su erinevatele tarbija- ja IoT-seadmetele, peites iga platvormi erip\u00e4ra ja mitte n\u00f5udes tootjaspetsiifiliste rakenduste kasutamist. Projekti kood<\/a><\/noindex> on PostgreSQL-i muudetud versioon graafide t\u00f6\u00f6tlemiseks. Peamine erinevus on AGE rakendamine universaalse t\u00e4iendamisena, mis toimib PostgreSQL-i tavaversioonide pealisehitise vormis. Hiljuti avaldatud versioon Apache AGE 0.2.0<\/a><\/noindex> toetab PostgreSQL 11. kasutamist.<\/p>\n

AGE praeguses olekus toetab<\/a><\/noindex> sellised p\u00e4ringukeelt Cypher v\u00e4ljakutsed nagu v\u00e4ljendi \u201eCREATE\u201d kasutamine s\u00f5lmede ja seoste m\u00e4\u00e4ratlemiseks, v\u00e4ljendi \u201eMATCH\u201d kasutamine andmete otsimiseks graafikus antud tingimustega (WHERE), m\u00e4\u00e4ratud j\u00e4rjekorras (ORDER BY) ja seatud piirangutega (SKIP, LIMIT). Resultaatandmestik, mille p\u00e4ring tagastab, m\u00e4\u00e4ratakse v\u00e4ljendi \u201eRETURN\u201d abil. Mitme p\u00e4ringu ahelas \u00fchendamiseks on saadaval v\u00e4ljend \u201eWITH\u201d. <\/p>\n

On v\u00f5imalik luua multimudelite andmebaase, mis \u00fchendavad graafi, suhteandmete ja JSON formaadis dokumentide salvestamise mudelid. Toetatakse integreeritud p\u00e4ringute t\u00e4itmist, mis h\u00f5lmavad nii SQL-i kui ka Cypher-i elemente.
\nSaadaval on indeksite loomine graafi tippude ja servade omaduste jaoks.
\nKasutamiseks on pakutud laiemat Agtype t\u00fc\u00fcpide komplekti, mis h\u00f5lmab graafi servade, tippude ja teede t\u00fc\u00fcpe. Agregaadi v\u00e4ljendid pole veel rakendatud. Saadaval on j\u00e4rgmised spetsialiseeritud funktsioonid: id, start_id, end_id, type, properties, head, last, length, size, startNode, endNode, timestamp, toBoolean, toFloat, toInteger ja coalesce. <\/p>\n

<\/a><\/noindex><\/p>\n

Allikas: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0414\u043b\u044f PostgreSQL \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043e \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 AGE (AgensGraph-Extension) \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u044f\u0437\u044b\u043a\u0430 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 openCypher \u0434\u043b\u044f \u043c\u0430\u043d\u0438\u043f\u0443\u043b\u044f\u0446\u0438\u0439 \u0441 \u043d\u0430\u0431\u043e\u0440\u0430\u043c\u0438 \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u043c\u0435\u0436\u0434\u0443 \u0441\u043e\u0431\u043e\u0439 \u0438\u0435\u0440\u0430\u0440\u0445\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0434\u0430\u043d\u043d\u044b\u0445, \u043e\u0431\u0440\u0430\u0437\u0443\u044e\u0449\u0438\u0445 \u0433\u0440\u0430\u0444. \u0412\u043c\u0435\u0441\u0442\u043e \u0441\u0442\u043e\u043b\u0431\u0446\u043e\u0432 \u0438 \u0441\u0442\u0440\u043e\u043a \u0433\u0440\u0430\u0444\u043e-\u043e\u0440\u0438\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u044b\u0435 \u0411\u0414 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0443, \u043f\u043e\u0445\u043e\u0436\u0443\u044e \u043d\u0430 \u0441\u0435\u0442\u044c — \u0437\u0430\u0434\u0430\u044e\u0442\u0441\u044f \u0443\u0437\u043b\u044b, \u0438\u0445 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u0438 \u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u044f \u043c\u0435\u0436\u0434\u0443 \u0443\u0437\u043b\u0430\u043c\u0438. AGE \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 Apache 2.0, \u043f\u0435\u0440\u0435\u0434\u0430\u043d \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0435\u0439 Bitnine \u043f\u043e\u0434 \u043f\u043e\u043a\u0440\u043e\u0432\u0438\u0442\u0435\u043b\u044c\u0441\u0442\u0432\u043e \u0424\u043e\u043d\u0434\u0430 Apache […]<\/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-88105","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\udd47PostgreSQL jaoks on loodud AGE t\u00e4iendamine andmete salvestamiseks graafi kujul | ProHoster","description":"PostgreSQL jaoks on pakutud AGE (AgensGraph-i laiendus), mis rakendab 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