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perf(backend): untilDate/sinceDate指定時のクエリパフォーマンスを向上

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syuilo 2023-10-09 18:13:53 +09:00
parent 6ff98846e6
commit 04971ca565
1 changed files with 10 additions and 7 deletions
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17
packages/backend/src/core/QueryService.ts
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@ -9,6 +9,7 @@ import { DI } from '@/di-symbols.js';
import type { MiUser } from '@/models/User.js'; import type { MiUser } from '@/models/User.js';
import type { UserProfilesRepository, FollowingsRepository, ChannelFollowingsRepository, BlockingsRepository, NoteThreadMutingsRepository, MutingsRepository, RenoteMutingsRepository } from '@/models/_.js'; import type { UserProfilesRepository, FollowingsRepository, ChannelFollowingsRepository, BlockingsRepository, NoteThreadMutingsRepository, MutingsRepository, RenoteMutingsRepository } from '@/models/_.js';
import { bindThis } from '@/decorators.js'; import { bindThis } from '@/decorators.js';
import { IdService } from '@/core/IdService.js';
import type { SelectQueryBuilder } from 'typeorm'; import type { SelectQueryBuilder } from 'typeorm';
@Injectable() @Injectable()
@ -34,6 +35,8 @@ export class QueryService {
@Inject(DI.renoteMutingsRepository) @Inject(DI.renoteMutingsRepository)
private renoteMutingsRepository: RenoteMutingsRepository, private renoteMutingsRepository: RenoteMutingsRepository,
private idService: IdService,
) { ) {
} }
@ -49,15 +52,15 @@ export class QueryService {
q.andWhere(`${q.alias}.id < :untilId`, { untilId: untilId }); q.andWhere(`${q.alias}.id < :untilId`, { untilId: untilId });
q.orderBy(`${q.alias}.id`, 'DESC'); q.orderBy(`${q.alias}.id`, 'DESC');
} else if (sinceDate && untilDate) { } else if (sinceDate && untilDate) {
q.andWhere(`${q.alias}.createdAt > :sinceDate`, { sinceDate: new Date(sinceDate) }); q.andWhere(`${q.alias}.id > :sinceId`, { sinceId: this.idService.genId(new Date(sinceDate)) });
q.andWhere(`${q.alias}.createdAt < :untilDate`, { untilDate: new Date(untilDate) }); q.andWhere(`${q.alias}.id < :untilId`, { untilId: this.idService.genId(new Date(untilDate)) });
q.orderBy(`${q.alias}.createdAt`, 'DESC'); q.orderBy(`${q.alias}.id`, 'DESC');
} else if (sinceDate) { } else if (sinceDate) {
q.andWhere(`${q.alias}.createdAt > :sinceDate`, { sinceDate: new Date(sinceDate) }); q.andWhere(`${q.alias}.id > :sinceId`, { sinceId: this.idService.genId(new Date(sinceDate)) });
q.orderBy(`${q.alias}.createdAt`, 'ASC'); q.orderBy(`${q.alias}.id`, 'ASC');
} else if (untilDate) { } else if (untilDate) {
q.andWhere(`${q.alias}.createdAt < :untilDate`, { untilDate: new Date(untilDate) }); q.andWhere(`${q.alias}.id < :untilId`, { untilId: this.idService.genId(new Date(untilDate)) });
q.orderBy(`${q.alias}.createdAt`, 'DESC'); q.orderBy(`${q.alias}.id`, 'DESC');
} else { } else {
q.orderBy(`${q.alias}.id`, 'DESC'); q.orderBy(`${q.alias}.id`, 'DESC');
} }