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Questions tagged [agens-graph]

AgensGraph is a graph database based-on PostgreSQL. It is a robust and fully-featured graph database. AgensGraph can store graph data with relational data. And it also process Cypher and SQL queries and two query languages can be integrated in a single query.

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114 questions
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Why AgensGraph use PostgreSQL as core level?

In addition to PostgreSQL has a potential to be developed because it is an open source, are there more reasons to use PostgreSQL as core level on AgensGraph ?
ryanlim
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How to start AgensGraph server on Mac OS X?

After Download AgensGraph from "https://github.com/bitnine-oss/agensgraph". When configure and install done, I try to connect AgensGraph. It failed like this : agens: could not connect to server: No such file or directory Is the server running…
Kurt Bender
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AgensGraph-Btree VS Neo4j-IndexFree

For the sake of efficient means of processing data, Neo4j said they search graph data in the way of "index-free adjacency". However, I know AgensGraph uses the way of "Btree" of PostgreSQL for query What is the benefit to use "Btree" of PostgreSQL…
ryanlim
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Can I use AgensGraph with PostGIS?

I'm developing the application about LBS with PostGIS. I figured out the graph database has also shortest path algorithm. Then I found the AgensGraph (GDB). It looks possible because AgensGraph incubates the PostgreSQL. But when I install PostGIS…
Kevin Lee
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error in npm start while running AGCloud Project in windows

I'm trying to run the AGCloud project on windows 10. the project is built with React JS. I cloned the main branch of the repository in my system, and then installed dependencies in both front-end and back-end using npm i command and then moved to…
Muhammad Farooq
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python, create nested html nodes. How do i traverse the Dom tree from a graph and find it's immediate children and create an html file from it?

I'm trying to recursively extract the DOM tree saved in the graph Database to granularly rewrite them as either HTML, JSON or other template files. The motivation I needed to have an easy way of extracting and controlling DOM nodes, rewriting them…
alexander
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How can I sum the properties along the edges in a deep traversal

I have a part vertex and a used_by edge which a property called quantity. I am currently starting with something like the following MATCH (a:part {part_num: '123')-[u:used_by*]->(b:part {part_num: '456') RETURN [x IN u::jsonb |…
Chad
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Cypher Query and AgensGraph

The following query only returns vlabel. Should it return elabls as well? match return distinct labels;
Eya
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Can I use AgensGraph on Cloud environment?

I'm using the AgensGraph on my server(On-premise). If I want AgensGraph to put in Cloud environment, can I? I couldn't find any information about that.
Kevin Lee
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cypher cast string to integer in Agensgraph

I use the following query, this returns string values: MATCH (n:artefact) RETURN (n.id) I'm trying to cast the string to an integer, so I use the following: MATCH (n:artefact) RETURN toInteger(n.id) This returns the error: [FAIL]…
Spatial Digger
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How do I search for nodes without incoming edges/relations in AgensGraph?

I've tried a bunch of cypher queries, most coming from this question, but none worked. E.g.: postgres=# match (a)<-[r]-() where r is null return *; a | r ---+--- (0 rows) The last one I tried is this: match (n) where not (n)<-[]-() return…
watery
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What version of Cypher used in AgensGraph Community Edition?

everyone I don't find information about Cypher's version uses in AgensGraph Can someone tell me which is version use in AgensGraph Community Edition?
Asinrus
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Variable-length path query runs forever but executes immediately when edge is bidrectional

Problem We have a graph in which locations are connected by services. Services that have common key-values are connected by service paths. We want to find all the service paths we can use to get from Location A to Location Z. The following query…
erik.overdahl
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How to find all labels and counts fetched vertex on AgensGraph?

I want to list fetched vertex by label. How can I find all labels and counts of fetched vertex?
korey
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How to remove property on AgensGraph?

I create some vertex on AgensGraph. And, I want to remove some properties of specific vertex. agens=# create (:v1{v1:1,v2:2,v3:3}); GRAPH WRITE (INSERT VERTEX 1, INSERT EDGE 0) agens=# match (n:v1) return n; n …
korey
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