feat(server): separate face search relation (#10371)

* wip

* various fixes

* new migration

* fix test

* add face search entity, update sql

* update e2e

* set storage to external

server/src/entities/asset-face.entity.ts

@@ -1,6 +1,7 @@
 import { AssetEntity } from 'src/entities/asset.entity';
+import { FaceSearchEntity } from 'src/entities/face-search.entity';
 import { PersonEntity } from 'src/entities/person.entity';
-import { Column, Entity, Index, ManyToOne, PrimaryGeneratedColumn } from 'typeorm';
+import { Column, Entity, Index, ManyToOne, OneToOne, PrimaryGeneratedColumn } from 'typeorm';
 
 @Entity('asset_faces', { synchronize: false })
 @Index('IDX_asset_faces_assetId_personId', ['assetId', 'personId'])
@@ -15,9 +16,8 @@ export class AssetFaceEntity {
   @Column({ nullable: true, type: 'uuid' })
   personId!: string | null;
 
-  @Index('face_index', { synchronize: false })
-  @Column({ type: 'float4', array: true, select: false, transformer: { from: (v) => JSON.parse(v), to: (v) => v } })
-  embedding!: number[];
+  @OneToOne(() => FaceSearchEntity, (faceSearchEntity) => faceSearchEntity.face, { cascade: ['insert'] })
+  faceSearch?: FaceSearchEntity;
 
   @Column({ default: 0, type: 'int' })
   imageWidth!: number;

server/src/entities/face-search.entity.ts

@@ -0,0 +1,21 @@
+import { AssetFaceEntity } from 'src/entities/asset-face.entity';
+import { asVector } from 'src/utils/database';
+import { Column, Entity, Index, JoinColumn, OneToOne, PrimaryColumn } from 'typeorm';
+
+@Entity('face_search', { synchronize: false })
+export class FaceSearchEntity {
+  @OneToOne(() => AssetFaceEntity, { onDelete: 'CASCADE', nullable: true })
+  @JoinColumn({ name: 'faceId', referencedColumnName: 'id' })
+  face?: AssetFaceEntity;
+
+  @PrimaryColumn()
+  faceId!: string;
+
+  @Index('face_index', { synchronize: false })
+  @Column({
+    type: 'float4',
+    array: true,
+    transformer: { from: (v) => JSON.parse(v), to: (v) => asVector(v) },
+  })
+  embedding!: number[];
+}

server/src/entities/index.ts

@@ -8,6 +8,7 @@ import { AssetStackEntity } from 'src/entities/asset-stack.entity';
 import { AssetEntity } from 'src/entities/asset.entity';
 import { AuditEntity } from 'src/entities/audit.entity';
 import { ExifEntity } from 'src/entities/exif.entity';
+import { FaceSearchEntity } from 'src/entities/face-search.entity';
 import { GeodataPlacesEntity } from 'src/entities/geodata-places.entity';
 import { LibraryEntity } from 'src/entities/library.entity';
 import { MemoryEntity } from 'src/entities/memory.entity';
@@ -34,6 +35,7 @@ export const entities = [
   AssetJobStatusEntity,
   AuditEntity,
   ExifEntity,
+  FaceSearchEntity,
   GeodataPlacesEntity,
   MemoryEntity,
   MoveEntity,