perf(Database): add indexes for Item.InventoryId and Inventory.PartyId...

perf(Database):  add indexes for Item.InventoryId and Inventory.PartyId to improve db performance

README.md

@@ -15,6 +15,12 @@ $ yarn start
 
 # generate static project
 $ yarn generate
+
+# run migrations for development
+$ yarn prisma migrate dev [--name=]
+
+# apply migrations for production
+$ yarn prisma migrate deploy
 ```
 
 For detailed explanation on how things work, check out the [documentation](https://nuxtjs.org).

prisma/migrations/20230530065746_add_optimization_indexes/migration.sql

+-- CreateIndex
+CREATE INDEX "Inventory_partyId_idx" ON "Inventory"("partyId");
+
+-- CreateIndex
+CREATE INDEX "Item_inventoryId_idx" ON "Item"("inventoryId");

prisma/schema.prisma

@@ -58,6 +58,7 @@ model Inventory {
   updatedAt           DateTime? @updatedAt
 
   @@unique([partyId, order])
+  @@index([partyId])
 }
 
 model Item {
@@ -74,6 +75,8 @@ model Item {
   deletedAt   DateTime?
   createdAt   DateTime   @default(now())
   updatedAt   DateTime?  @updatedAt
+
+  @@index([inventoryId])
 }
 
 model KnownItem {