{"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\/de\/blog\/news\/dlya-postgresql-podgotovleno-dopolnenie-age-dlya-hraneniya-dannyh-v-forme-grafa","title":{"rendered":"F\u00fcr PostgreSQL wurde die Erweiterung AGE zur Speicherung von Daten in Form eines Graphen vorbereitet.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>F\u00fcr PostgreSQL <noindex><a rel=\"nofollow\" href=\"https:\/\/www.postgresql.org\/about\/news\/2050\/\">vorgeschlagen<\/a><\/noindex> Erweiterung AGE (AgensGraph-Extension) mit der Implementierung der Abfragesprache <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opencypher.org\/\">openCypher<\/a><\/noindex> f\u00fcr die Manipulation von S\u00e4tzen zusammenh\u00e4ngender hierarchischer Daten, die ein Graph bilden. Anstelle von Spalten und Zeilen verwenden graphorientierte Datenbanken eine Struktur, die einem Netzwerk \u00e4hnelt \u2013 Knoten, deren Eigenschaften und Beziehungen zwischen den Knoten werden definiert. AGE <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/bitnine-oss\/AgensGraph-Extension\">wird verbreitet<\/a><\/noindex> unter der Lizenz Apache 2.0, \u00fcbergeben von der Firma Bitnine unter das Sponsoring der Apache-Stiftung und derzeit im Apache-Inkubator. <\/p>\n<p>Das Projekt entwickelt das DBMS <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/bitnine-oss\/agensgraph\">AgensGraph<\/a><\/noindex>, das <noindex><a rel=\"nofollow\" href=\"http:\/\/bitnine.net\/documentations\/quick-guide-1-3.html\">stellt<\/a><\/noindex> eine \u00fcberarbeitete Version von PostgreSQL zur Verarbeitung von Graphen darstellt. Ein wesentliches Unterscheidungsmerkmal ist die Implementierung von AGE in Form einer universellen Erweiterung, die als Erg\u00e4nzung zu den Standardversionen von PostgreSQL arbeitet. Die k\u00fcrzlich ver\u00f6ffentlichte Version <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/bitnine-oss\/AgensGraph-Extension\/releases\/tag\/v0.2.0\">Apache AGE 0.2.0<\/a><\/noindex> unterst\u00fctzt die Arbeit mit PostgreSQL 11.<\/p>\n<p>In seinem aktuellen Zustand bietet AGE <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/bitnine-oss\/AgensGraph-Extension\/blob\/master\/doc\/cypher-query-language.rst\">unterst\u00fctzt<\/a><\/noindex> solche M\u00f6glichkeiten der Abfragesprache Cypher wie die Verwendung des Ausdrucks \u201eCREATE\u201c zur Definition von Knoten und Beziehungen, der Ausdruck \u201eMATCH\u201c zur Datensuche im Graphen unter gegebenen Bedingungen (WHERE), in der angegebenen Reihenfolge (ORDER BY) und mit festgelegten Einschr\u00e4nkungen (SKIP, LIMIT). Der resultierende Datensatz, der durch die Abfrage zur\u00fcckgegeben wird, wird mit dem Ausdruck \u201eRETURN\u201c definiert. Um mehrere Abfragen zu einer Kette zusammenzufassen, steht der Ausdruck \u201eWITH\u201c zur Verf\u00fcgung. <\/p>\n<p>Es ist m\u00f6glich, multimodale DBs zu erstellen, die Modelle der hierarchischen Speicherung von Eigenschaften in Form von Graphen, das relationale Modell und das Modell zur Speicherung von Dokumenten im JSON-Format kombinieren. Die Ausf\u00fchrung von integrierten Abfragen, die Elemente der SQL- und Cypher-Sprachen beinhalten, wird unterst\u00fctzt.<br \/>\nDie Erstellung von Indizes f\u00fcr die Eigenschaften der Knoten und Kanten des Graphen ist m\u00f6glich.<br \/>\nF\u00fcr die Nutzung wird ein erweitertes Set von Agtype-Typen angeboten, das Typen f\u00fcr Kanten, Knoten und Pfade im Graphen umfasst. Aggregatfunktionen sind derzeit noch nicht implementiert. Zu den verf\u00fcgbaren spezialisierten Funktionen geh\u00f6ren: id, start_id, end_id, type, properties, head, last, length, size, startNode, endNode, timestamp, toBoolean, toFloat, toInteger und coalesce. <\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Quelle: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53337\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\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 &#8212; \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 [&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-88105","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=\"\u0414\u043b\u044f PostgreSQL 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