Resolve #6563 (#7524)

* Resolve #6563

* Update note.ts

* Update generate-visibility-query.ts

migration/1621479946000-add-note-indexes.ts

+import {MigrationInterface, QueryRunner} from "typeorm";
+
+export class addNoteIndexes1621479946000 implements MigrationInterface {
+    name = 'addNoteIndexes1621479946000'
+
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`CREATE INDEX "IDX_NOTE_MENTIONS" ON "note" USING gin ("mentions")`, undefined);
+				await queryRunner.query(`CREATE INDEX "IDX_NOTE_VISIBLE_USER_IDS" ON "note" USING gin ("visibleUserIds")`, undefined);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`DROP INDEX "IDX_NOTE_MENTIONS"`, undefined);
+				await queryRunner.query(`DROP INDEX "IDX_NOTE_VISIBLE_USER_IDS"`, undefined);
+    }
+
+}

src/models/entities/note.ts

@@ -7,6 +7,8 @@ import { Channel } from './channel';
 
 @Entity()
 @Index('IDX_NOTE_TAGS', { synchronize: false })
+@Index('IDX_NOTE_MENTIONS', { synchronize: false })
+@Index('IDX_NOTE_VISIBLE_USER_IDS', { synchronize: false })
 export class Note {
 	@PrimaryColumn(id())
 	public id: string;

src/server/api/common/generate-visibility-query.ts

@@ -22,7 +22,7 @@ export function generateVisibilityQuery(q: SelectQueryBuilder<any>, me?: { id: U
 			// または 自分自身
 			.orWhere('note.userId = :userId1', { userId1: me.id })
 			// または 自分宛て
-			.orWhere(':userId2 = ANY(note.visibleUserIds)', { userId2: me.id })
+			.orWhere(`'{"${me.id}"}' <@ note.visibleUserIds`)
 			.orWhere(new Brackets(qb => { qb
 				// または フォロワー宛ての投稿であり、
 				.where('note.visibility = \'followers\'')

src/server/api/endpoints/notes/mentions.ts

@@ -60,8 +60,8 @@ export default define(meta, async (ps, user) => {
 
 	const query = makePaginationQuery(Notes.createQueryBuilder('note'), ps.sinceId, ps.untilId)
 		.andWhere(new Brackets(qb => { qb
-			.where(`:meId = ANY(note.mentions)`, { meId: user.id })
-			.orWhere(`:meId = ANY(note.visibleUserIds)`, { meId: user.id });
+			.where(`'{"${user.id}"}' <@ note.mentions`)
+			.orWhere(`'{"${user.id}"}' <@ note.visibleUserIds`);
 		}))
 		.innerJoinAndSelect('note.user', 'user')
 		.leftJoinAndSelect('note.reply', 'reply')