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2020-09-30
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Hi all, I have a silly question regarding the pricing model, maybe I'm just missing something: Is the pricing only of instances running Datomic (transactor, etc), or for application instances using the client library as well?
@ben.sless Datomic Cloud presumably? The pricing is only for the nodes/instances running Datomic Cloud software (the nodes started by the Cloudformation template)
alright, then no charge for the number of clients, only for instances running Datomic itself. What about on-prem?
@ben.sless i think this page answers that question well: https://www.datomic.com/get-datomic.html > All Datomic On-Prem licenses are perpetual and include all features: > > • Unlimited Peers and/or Clients
I've seen datomic.api/entity
. How is it supposed to work? I give it the db plus a :db/id
and it is then supposed to give me a map with all attributes? Or how do I use it? There is only documentation for the Java version, not the Clojure one.
documentation for entity
: https://docs.datomic.com/on-prem/clojure/index.html#datomic.api/entity
several day of datomic examples use the entity API: https://github.com/Datomic/day-of-datomic/blob/a5f7f0bd084a62df7cc58b9a1c6fe7f8340f9b23/tutorial/hello_world.clj https://github.com/Datomic/day-of-datomic/blob/a5f7f0bd084a62df7cc58b9a1c6fe7f8340f9b23/tutorial/data_functions.clj
however, you should also familiarize yourself with the pull
API, as it provides much of the same functionality as entity
(some differences), but is available in both peer and client
Thanks, ah, so it only fetches the key names when explicitly asked! Well, I don't think I'll ever use the client library, but I have looked at pull
as well (and use it regularly inside a query)
I'm running the free version datomic via https://github.com/fulcrologic/fulcro-rad-demo. How do I interface with datamic to peek inside it?