Em qui, 19 de abr de 2018 às 11:54, Philipp Kraus < philipp.kr...@tu-clausthal.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/ > -- Fabrízio de Royes Mello Timbira - http://www.timbira.com.br/ PostgreSQL: Consultoria, Desenvolvimento, Suporte 24x7 e Treinamento
