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(ns user.stage | |
(:require | |
[datomic.api :as d])) | |
(defn with [$ tx] | |
(:db-after (d/with $ tx))) | |
(comment | |
(datomic.api/create-database "datomic:mem://app-db") | |
(def conn (datomic.api/connect "datomic:mem://app-db")) | |
(let [$ (-> (d/db conn) | |
(with [{:db/ident :dustingetz/email :db/valueType :db.type/string :db/cardinality :db.cardinality/one :db/unique :db.unique/identity} | |
{:db/ident :dustingetz/gender :db/valueType :db.type/ref :db/cardinality :db.cardinality/one} | |
{:db/ident :dustingetz/shirt-size :db/valueType :db.type/ref :db/cardinality :db.cardinality/one} | |
{:db/ident :dustingetz/type :db/valueType :db.type/keyword :db/cardinality :db.cardinality/one}]) | |
(with [{:dustingetz/type :dustingetz/gender :db/ident :dustingetz/male} | |
{:dustingetz/type :dustingetz/gender :db/ident :dustingetz/female}]) | |
(with [{:dustingetz/type :dustingetz/shirt-size :db/ident :dustingetz/mens-small :dustingetz/gender :dustingetz/male} | |
{:dustingetz/type :dustingetz/shirt-size :db/ident :dustingetz/mens-medium :dustingetz/gender :dustingetz/male} | |
{:dustingetz/type :dustingetz/shirt-size :db/ident :dustingetz/mens-large :dustingetz/gender :dustingetz/male} | |
{:dustingetz/type :dustingetz/shirt-size :db/ident :dustingetz/womens-small :dustingetz/gender :dustingetz/female} | |
{:dustingetz/type :dustingetz/shirt-size :db/ident :dustingetz/womens-medium :dustingetz/gender :dustingetz/female} | |
{:dustingetz/type :dustingetz/shirt-size :db/ident :dustingetz/womens-large :dustingetz/gender :dustingetz/female}]) | |
(with [{:dustingetz/email "alice@example.com" :dustingetz/gender :dustingetz/female :dustingetz/shirt-size :dustingetz/womens-large} | |
{:dustingetz/email "bob@example.com" :dustingetz/gender :dustingetz/male :dustingetz/shirt-size :dustingetz/mens-large} | |
{:dustingetz/email "charlie@example.com" :dustingetz/gender :dustingetz/male :dustingetz/shirt-size :dustingetz/mens-medium}]))] | |
(d/q '[:find [(pull ?e [*]) ...] | |
:where | |
[?e :dustingetz/email]] $)) | |
=> | |
[{:db/id 17592186045428, | |
:dustingetz/email "alice@example.com", | |
:dustingetz/gender #:db{:id 17592186045419}, | |
:dustingetz/shirt-size #:db{:id 17592186045426}} | |
{:db/id 17592186045429, | |
:dustingetz/email "bob@example.com", | |
:dustingetz/gender #:db{:id 17592186045418}, | |
:dustingetz/shirt-size #:db{:id 17592186045423}} | |
{:db/id 17592186045430, | |
:dustingetz/email "charlie@example.com", | |
:dustingetz/gender #:db{:id 17592186045418}, | |
:dustingetz/shirt-size #:db{:id 17592186045422}}] | |
) |
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