schemaless postgres with esoteric http api
postgres with jsquery and jsonb is required
http 127.0.0.1:8080/fetch query:=[1,2,3]
http 127.0.0.1:8080/fetch query:=[1] depth:=3 'follow:=["child"]'
http 127.0.0.1:8080/persist spam:=1
http 127.0.0.1:8080/fetch query='spam = 1' depth:=2 'follow:=["spam"]'