misskey/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);
    }

}