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⚡ Add performance enhancements on telemetry related queries

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This commit is contained in:
Andrey Antukh 2024-08-02 13:07:44 +02:00
parent 0e92bcc0de
commit ba167f256b
3 changed files with 20 additions and 9 deletions
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5
backend/src/app/migrations.clj
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@ -391,7 +391,10 @@
:fn (mg/resource "app/migrations/sql/0122-mod-file-data-fragment-table.sql")} :fn (mg/resource "app/migrations/sql/0122-mod-file-data-fragment-table.sql")}
{:name "0123-mod-file-change-table" {:name "0123-mod-file-change-table"
:fn (mg/resource "app/migrations/sql/0123-mod-file-change-table.sql")}]) :fn (mg/resource "app/migrations/sql/0123-mod-file-change-table.sql")}
{:name "0124-mod-profile-table"
:fn (mg/resource "app/migrations/sql/0124-mod-profile-table.sql")}])
(defn apply-migrations! (defn apply-migrations!
[pool name migrations] [pool name migrations]

2
backend/src/app/migrations/sql/0124-mod-profile-table.sql Normal file
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@ -0,0 +1,2 @@
CREATE INDEX profile__props__newsletter1__idx ON profile (email) WHERE props->>'~:newsletter-news' = 'true';
CREATE INDEX profile__props__newsletter2__idx ON profile (email) WHERE props->>'~:newsletter-updates' = 'true';

22
backend/src/app/tasks/telemetry.clj
View file

@ -62,19 +62,25 @@
[conn] [conn]
(-> (db/exec-one! conn ["SELECT count(*) AS count FROM file"]) :count)) (-> (db/exec-one! conn ["SELECT count(*) AS count FROM file"]) :count))
(def ^:private sql:num-file-changes
"SELECT count(*) AS count
FROM file_change
WHERE created_at < date_trunc('day', now()) + '24 hours'::interval
AND created_at > date_trunc('day', now())")
(defn- get-num-file-changes (defn- get-num-file-changes
[conn] [conn]
(let [sql (str "SELECT count(*) AS count " (-> (db/exec-one! conn [sql:num-file-changes]) :count))
" FROM file_change "
" where date_trunc('day', created_at) = date_trunc('day', now())")] (def ^:private sql:num-touched-files
(-> (db/exec-one! conn [sql]) :count))) "SELECT count(distinct file_id) AS count
FROM file_change
WHERE created_at < date_trunc('day', now()) + '24 hours'::interval
AND created_at > date_trunc('day', now())")
(defn- get-num-touched-files (defn- get-num-touched-files
[conn] [conn]
(let [sql (str "SELECT count(distinct file_id) AS count " (-> (db/exec-one! conn [sql:num-touched-files]) :count))
" FROM file_change "
" where date_trunc('day', created_at) = date_trunc('day', now())")]
(-> (db/exec-one! conn [sql]) :count)))
(defn- get-num-users (defn- get-num-users
[conn] [conn]