Update `account_summaries` database view

db/migrate/20240327145403_update_account_summaries_to_version_3.rb

@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+class UpdateAccountSummariesToVersion3 < ActiveRecord::Migration[6.1]
+  def up
+    reapplication_global_follow_recommendations_v1 do
+      drop_view :account_summaries, materialized: true
+      create_view :account_summaries, version: 3, materialized: { no_data: true }
+      safety_assured { add_index :account_summaries, :account_id, unique: true }
+    end
+  end
+
+  def down
+    reapplication_global_follow_recommendations_v1 do
+      drop_view :account_summaries, materialized: true
+      create_view :account_summaries, version: 2, materialized: { no_data: true }
+      safety_assured { add_index :account_summaries, :account_id, unique: true }
+    end
+  end
+
+  def reapplication_global_follow_recommendations_v1
+    drop_view :global_follow_recommendations, materialized: true
+    yield
+    create_view :global_follow_recommendations, version: 1, materialized: { no_data: true }
+    safety_assured { add_index :global_follow_recommendations, :account_id, unique: true }
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.1].define(version: 2024_03_27_124057) do
+ActiveRecord::Schema[7.1].define(version: 2024_03_27_145403) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -1450,7 +1450,7 @@ ActiveRecord::Schema[7.1].define(version: 2024_03_27_124057) do
             WHERE ((statuses.account_id = accounts.id) AND (statuses.deleted_at IS NULL) AND (statuses.reblog_of_id IS NULL))
             ORDER BY statuses.id DESC
            LIMIT 20) t0)
-    WHERE ((accounts.suspended_at IS NULL) AND (accounts.silenced_at IS NULL) AND (accounts.moved_to_account_id IS NULL) AND (accounts.discoverable = true) AND (accounts.locked = false))
+    WHERE ((accounts.suspended_at IS NULL) AND (accounts.deleted_at IS NULL) AND (accounts.silenced_at IS NULL) AND (accounts.moved_to_account_id IS NULL) AND (accounts.discoverable = true) AND (accounts.locked = false))
     GROUP BY accounts.id;
   SQL
   add_index "account_summaries", ["account_id", "language", "sensitive"], name: "idx_on_account_id_language_sensitive_250461e1eb"

db/views/account_summaries_v03.sql

@@ -0,0 +1,24 @@
+SELECT
+  accounts.id AS account_id,
+  mode() WITHIN GROUP (ORDER BY language ASC) AS language,
+  mode() WITHIN GROUP (ORDER BY sensitive ASC) AS sensitive
+FROM accounts
+CROSS JOIN LATERAL (
+  SELECT
+    statuses.account_id,
+    statuses.language,
+    statuses.sensitive
+  FROM statuses
+  WHERE statuses.account_id = accounts.id
+    AND statuses.deleted_at IS NULL
+    AND statuses.reblog_of_id IS NULL
+  ORDER BY statuses.id DESC
+  LIMIT 20
+) t0
+WHERE accounts.suspended_at IS NULL
+  AND accounts.deleted_at IS NULL
+  AND accounts.silenced_at IS NULL
+  AND accounts.moved_to_account_id IS NULL
+  AND accounts.discoverable = 't'
+  AND accounts.locked = 'f'
+GROUP BY accounts.id