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perf(backend): use (userId, id DESC) composite index

This commit is contained in:
caipira113 2025-09-04 22:31:06 +09:00
parent 4ec9c3ea73
commit c0b380bbf5
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2 changed files with 11 additions and 12 deletions
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20
packages/backend/migration/1756824506000-optimize-drive-files-query.js
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@ -4,16 +4,16 @@
*/ */
export class OptimizeDriveFilesQuery1756824506000 { export class OptimizeDriveFilesQuery1756824506000 {
name = 'OptimizeDriveFilesQuery1756824506000' name = 'OptimizeDriveFilesQuery1756824506000'
async up(queryRunner) { async up(queryRunner) {
// Create optimized partial index for drive files query performance // Create optimized composite index for drive files query performance
// This index is specifically designed for the common query pattern: await queryRunner.query(`DROP INDEX "IDX_860fa6f6c7df5bb887249fba22"`);
// SELECT * FROM drive_file WHERE userId = ? AND folderId IS NULL ORDER BY id DESC await queryRunner.query(`CREATE INDEX "IDX_a76118b66adb3228e0ee69c281" ON "drive_file" ("userId", "id" DESC)`);
await queryRunner.query(`CREATE INDEX "IDX_drive_file_userid_null_folderid_id_desc" ON "drive_file" ("userId", ("folderId" IS NULL), "id" DESC)`); }
}
async down(queryRunner) { async down(queryRunner) {
await queryRunner.query(`DROP INDEX "IDX_drive_file_userid_null_folderid_id_desc"`); await queryRunner.query(`DROP INDEX "IDX_a76118b66adb3228e0ee69c281"`);
} await queryRunner.query(`CREATE INDEX "IDX_860fa6f6c7df5bb887249fba22" ON "drive_file" ("userId")`);
}
} }

3
packages/backend/src/models/DriveFile.ts
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@ -10,12 +10,11 @@ import { MiDriveFolder } from './DriveFolder.js';
@Entity('drive_file') @Entity('drive_file')
@Index(['userId', 'folderId', 'id']) @Index(['userId', 'folderId', 'id'])
@Index('IDX_drive_file_userid_null_folderid_id_desc', { synchronize: false }) @Index(['userId', 'id'])
export class MiDriveFile { export class MiDriveFile {
@PrimaryColumn(id()) @PrimaryColumn(id())
public id: string; public id: string;
@Index()
@Column({ @Column({
...id(), ...id(),
nullable: true, nullable: true,