stuarthalloway

;; Datomic example code

;; demonstrates various update scenarios, using a news database
;; that contains stories, users, and upvotes

;; grab an in memory database
(use '[datomic.api :only (q db) :as d])
(def uri "datomic:mem://foo")
(d/create-database uri)
(def conn (d/connect uri))

stuarthalloway

;; The Datomic schema is made up of Datomic data, so you manipulate it
;; with ordinary queries and transactions -- and with ordinary code
;; in Java or Clojure.

;; query rule that finds attributes in schema whose names start with ?prefix
;; note the Java interop call to .startsWith
;; you could create a similar rule for namespace prefixes
(def rules '[[[attr-starts-with ?prefix ?attr]
              [?e :db/valueType]
              [?e :db/ident ?attr]