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Review comment: fix "Like {...}" map examples.

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This commit is contained in:
Nick Alexander 2016-10-13 20:43:39 -07:00
parent 885a816812
commit 00c72f9188
1 changed files with 3 additions and 3 deletions
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6
src/common/datomish/transact.cljc
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@ -282,7 +282,7 @@
{:pre [(db/db? db) (report? report)]} {:pre [(db/db? db) (report? report)]}
(let [unique-identity? (memoize (partial ds/unique-identity? (db/schema db))) (let [unique-identity? (memoize (partial ds/unique-identity? (db/schema db)))
;; Map lookup-ref -> entities containing lookup-ref, like {[[:a :v] [[[:a :v] :b :w] ...]] ...}. ;; Map lookup-ref -> entities containing lookup-ref, like {[:a :v] [[(lookup-ref :a :v) :b :w] ...], ...}.
groups (group-by (partial keep db/lookup-ref?) (:entities report)) groups (group-by (partial keep db/lookup-ref?) (:entities report))
;; Entities with no lookup-ref are grouped under the key (lazy-seq). ;; Entities with no lookup-ref are grouped under the key (lazy-seq).
entities (get groups (lazy-seq)) ;; No lookup-refs? Pass through. entities (get groups (lazy-seq)) ;; No lookup-refs? Pass through.
@ -382,11 +382,11 @@
(go-pair (go-pair
(when (seq upserts-e) (when (seq upserts-e)
(let [->id-av (fn [[op id-literal a v]] [id-literal [a v]]) (let [->id-av (fn [[op id-literal a v]] [id-literal [a v]])
;; Like {[id-literal [[:a1 :v1] [:a2 :v2] ...]] ...}. ;; Like {id-literal [[:a1 :v1] [:a2 :v2] ...], ...}.
id->avs (util/group-by-kv ->id-av upserts-e) id->avs (util/group-by-kv ->id-av upserts-e)
;; Like [[:a1 :v1] [:a2 v2] ...]. ;; Like [[:a1 :v1] [:a2 v2] ...].
avs (apply concat (vals id->avs)) avs (apply concat (vals id->avs))
;; Like {[[:a1 :v1] e1] ...}. ;; Like {[:a1 :v1] e1, ...}.
av->e (<? (db/<avs db avs)) av->e (<? (db/<avs db avs))
avs->es (fn [avs] (set (keep (partial get av->e) avs))) avs->es (fn [avs] (set (keep (partial get av->e) avs)))