Re: postgres with graph model

Em qui, 19 de abr de 2018 às 11:54, Philipp Kraus <
philipp(dot)kraus(at)tu-clausthal(dot)de> escreveu:

> Hello,
>
> I’m using in a project Postgresql and PostGIS for a geospatial data model,
> but now I need also a graph in this structure, so my question is, is there
> any existing
> extension for Postgres to build a graph. I found ltree but this is for
> tree structures only, not for graphs. In general I have different
> undirected weighted graphs. So
> I need some routing algorithms based on the graph weights, distance
> calculation between nodes. My first idea was to use a graph database e.g
> neo4j, but I have
> got a limitation, that the whole system should be designed in Postgres.
> Did you can give some ideas to build a graph within Postgres

Do you already check the pgrouting [1] project?

Regards,

[1] http://pgrouting.org/

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