{"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-ile on ette valmistatud AGE laiendus andmete salvestamiseks graafikute kujul","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

PostgreSQL-ile pakutud<\/a><\/noindex> AGE laiendus (AgensGraph-Extension) koos p\u00e4ringute keele teostusega openCypher<\/a><\/noindex> hierarhiliste andmeid manipuleerimiseks, mis moodustavad graafi. Veergude ja ridade asemel kasutavad graafiorienteeritud andmebaasid struktuuri, mis sarnaneb v\u00f5rguga \u2014 m\u00e4\u00e4ratakse s\u00f5lmed, nende omadused ja suhted s\u00f5lmede vahel. AGE levitatakse<\/a><\/noindex> on v\u00e4ljastatud Apache 2.0 litsentsi alusel, edastatud ettev\u00f5tte Bitnine poolt Apache fondi haldusesse ja praegu on see Apache inkubaatoris. <\/p>\n

Projekt j\u00e4tkab andmebaasi arendamist AgensGraph<\/a><\/noindex>, mis esindab<\/a><\/noindex> PostgreSQL-i muudetud versiooni graafide t\u00f6\u00f6tlemiseks. Peamine erinevus on AGE teostuse rakendamine universaalse laiendusena, mis t\u00f6\u00f6tab PostgreSQL-i tavaversioonide \u00fcstlusena. Hiljuti v\u00e4lja antud versioon Apache AGE 0.2.0<\/a><\/noindex> toetab PostgreSQL 11-ga t\u00f6\u00f6tamist.<\/p>\n

AGE praeguses olekus toetab<\/a><\/noindex> sellised p\u00e4ringukeelt Cypher v\u00f5imalused nagu v\u00e4ljendi 'CREATE' rakendamine s\u00f5lmede ja suhete m\u00e4\u00e4ratlemiseks, v\u00e4ljend 'MATCH' andmete otsimiseks graafis kindlaksm\u00e4\u00e4ratud tingimuste (WHERE) alusel, antud j\u00e4rjekorras (ORDER BY) ja seatud piirangutega (SKIP, LIMIT). P\u00e4ringu kaudu tagastatud andmekogumi m\u00e4\u00e4ratlemiseks kasutatakse v\u00e4ljendit 'RETURN'. Mitme p\u00e4ringu ahelasse \u00fchendamiseks on saadaval v\u00e4ljend 'WITH'. <\/p>\n

On v\u00f5imalik luua multimeedia andmebaase, mis \u00fchendavad omaduste hierarhilise salvestamise mudelit graafide kujul, relatsioonimudeli ja dokumentide salvestamise mudeli JSON-formaadis. Toetatakse integreeritud p\u00e4ringute t\u00e4itmist, mis sisaldavad SQL-i ja Cypher-i keele elemente.
\nSaadaval on indeksite loomine graafi s\u00f5lmede ja servade omadustele.
\nKasutamiseks on ette n\u00e4htud laiendatud Agtype t\u00fc\u00fcpidest koosnev t\u00fc\u00fcpide kogum, sealhulgas t\u00fc\u00fcbid servadele, s\u00f5lmedele ja graafi teedele. Agregaatv\u00e4ljendid pole veel rakendatud. Saadaval on 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-ile on ette valmistatud AGE laiendus andmete salvestamiseks graafikute kujul | ProHoster","description":"PostgreSQL-ile on pakutud AGE laiendust (AgensGraph-Extension) koos p\u00e4ringute keele 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