Remove index 🔥

src/usage/entities/usage.entity.ts

@@ -19,7 +19,6 @@ export class Usage extends BaseEntity {
   id: number;
 
   @Column({ nullable: false, length: 255 })
-  @Index()
   nom: string;
 
   @ManyToOne(() => Thematique,

src/usage/usage.service.ts

@@ -22,11 +22,10 @@ export class UsageService {
     });
   }
 
-  findAll(curentUser: User): Promise<Usage[]> {
-    return this.usageRepository
+  async findAll(curentUser: User): Promise<Usage[]> {
+    const usages = await this.usageRepository
       .createQueryBuilder('usage')
       .select()
-      .distinctOn(['usage.nom'])
       .leftJoinAndSelect('usage.thematique', 'thematique')
       .leftJoin('usage.arreteCadre', 'arreteCadre')
       .leftJoin('arreteCadre.departements', 'departements')
@@ -40,6 +39,21 @@ export class UsageService {
       .orWhere('usage."isTemplate" = true')
       .orderBy('usage.nom', 'ASC')
       .getMany();
+
+    // Suppression des doublons, problèmes de perf avec DISTINCT via la requête SQL
+    return usages.filter((value, index, self) =>
+        index === self.findIndex((t) => (
+          t.nom === value.nom
+        ))
+    ).sort((a, b) => {
+      if (a.nom < b.nom) {
+        return -1;
+      }
+      if (a.nom > b.nom) {
+        return 1;
+      }
+      return 0;
+    })
   }
 
   async create(usage: CreateUpdateUsageDto): Promise<Usage> {