merge: Rework queries and add indexes to improve timeline performance (!1091)

View MR for information: https://activitypub.software/TransFem-org/Sharkey/-/merge_requests/1091

Approved-by: dakkar <dakkar@thenautilus.net>
Approved-by: Marie <github@yuugi.dev>

packages/backend/src/models/Instance.ts

@@ -6,7 +6,8 @@
 import { Entity, PrimaryColumn, Index, Column } from 'typeorm';
 import { id } from './util/id.js';
 
-@Index('IDX_instance_host_key', { synchronize: false })
+@Index('IDX_instance_host_key', { synchronize: false }) // ((lower(reverse("host"::text)) || '.'::text)
+@Index('IDX_instance_host_filters', { synchronize: false }) // ("host", "isBlocked", "isSilenced", "isMediaSilenced", "isAllowListed", "isBubbled", "suspensionState")
 @Entity('instance')
 export class MiInstance {
 	@PrimaryColumn(id())

packages/backend/src/models/Note.ts

@@ -12,6 +12,8 @@ import { MiChannel } from './Channel.js';
 import type { MiDriveFile } from './DriveFile.js';
 
 @Index('IDX_724b311e6f883751f261ebe378', ['userId', 'id'])
+@Index('IDX_note_userHost_id', { synchronize: false }) // (userHost, id desc)
+@Index('IDX_note_for_timelines', { synchronize: false }) // (id desc, channelId, visibility, userHost)
 @Entity('note')
 export class MiNote {
 	@PrimaryColumn(id())
@@ -216,7 +218,6 @@ export class MiNote {
 	public processErrors: string[] | null;
 
 	//#region Denormalized fields
-	@Index()
 	@Column('varchar', {
 		length: 128, nullable: true,
 		comment: '[Denormalized]',

packages/backend/src/models/json-schema/user.ts

@@ -200,6 +200,10 @@ export const packedUserLiteSchema = {
 					type: 'string',
 					nullable: true, optional: false,
 				},
+				isSilenced: {
+					type: 'boolean',
+					nullable: false, optional: false,
+				},
 			},
 		},
 		emojis: {