Clojurians Log v2

Hi, in a db with this schema :

{             
:source-flow/source   {:db/valueType   :db.type/ref
                                     :db/isComponent false
                                     :db/cardinality 
:source-flow/flow      {:db/valueType   :db.type/ref
                                     :db/isComponent false
                                     :db/cardinality 
:source-flow/ch          {:db/cardinality :db.cardinality/one}
:source/id                   {:db.unique      :db.unique/identity
:source/config            {:db/cardinality :db.cardinality/one
:source/control-ch     {:db/cardinality :db.cardinality/one
:source/output-ch      {:db/cardinality :db.cardinality/one
:source/out-mult        {:db/cardinality :db.cardinality/one
}