Add indes on user+id to changeset and diary comments

db/migrate/20250121191749_add_user_comment_indexes.rb

@@ -0,0 +1,8 @@
+class AddUserCommentIndexes < ActiveRecord::Migration[7.2]
+  disable_ddl_transaction!
+
+  def change
+    add_index :changeset_comments, [:author_id, :id], :algorithm => :concurrently
+    add_index :diary_comments, [:user_id, :id], :algorithm => :concurrently
+  end
+end

db/structure.sql

@@ -2400,6 +2400,13 @@ CREATE UNIQUE INDEX index_active_storage_variant_records_uniqueness ON public.ac
 CREATE INDEX index_changeset_comments_on_author_id_and_created_at ON public.changeset_comments USING btree (author_id, created_at);
 
 
+--
+-- Name: index_changeset_comments_on_author_id_and_id; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX index_changeset_comments_on_author_id_and_id ON public.changeset_comments USING btree (author_id, id);
+
+
 --
 -- Name: index_changeset_comments_on_changeset_id_and_created_at; Type: INDEX; Schema: public; Owner: -
 --
@@ -2435,6 +2442,13 @@ CREATE INDEX index_changesets_subscribers_on_changeset_id ON public.changesets_s
 CREATE UNIQUE INDEX index_changesets_subscribers_on_subscriber_id_and_changeset_id ON public.changesets_subscribers USING btree (subscriber_id, changeset_id);
 
 
+--
+-- Name: index_diary_comments_on_user_id_and_id; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX index_diary_comments_on_user_id_and_id ON public.diary_comments USING btree (user_id, id);
+
+
 --
 -- Name: index_diary_entry_subscriptions_on_diary_entry_id; Type: INDEX; Schema: public; Owner: -
 --
@@ -3408,6 +3422,7 @@ INSERT INTO "schema_migrations" (version) VALUES
 ('23'),
 ('22'),
 ('21'),
+('20250121191749'),
 ('20250105154621'),
 ('20250104140952'),
 ('20241023004427'),