fix: Use integer for variant and category ranks (#7572)

packages/modules/product/src/migrations/.snapshot-medusa-products.json

@@ -74,13 +74,13 @@
         },
         "rank": {
           "name": "rank",
-          "type": "numeric",
+          "type": "integer",
           "unsigned": false,
           "autoincrement": false,
           "primary": false,
           "nullable": false,
           "default": "0",
-          "mappedType": "decimal"
+          "mappedType": "integer"
         },
         "parent_category_id": {
           "name": "parent_category_id",
@@ -1378,13 +1378,13 @@
         },
         "variant_rank": {
           "name": "variant_rank",
-          "type": "numeric",
+          "type": "integer",
           "unsigned": false,
           "autoincrement": false,
           "primary": false,
           "nullable": true,
           "default": "0",
-          "mappedType": "decimal"
+          "mappedType": "integer"
         },
         "product_id": {
           "name": "product_id",

packages/modules/product/src/migrations/Migration20240601111544.ts

@@ -0,0 +1,23 @@
+import { Migration } from "@mikro-orm/migrations"
+
+export class Migration20240601111544 extends Migration {
+  async up(): Promise<void> {
+    this.addSql(
+      'alter table if exists "product_category" alter column "rank" type integer using ("rank"::integer);'
+    )
+
+    this.addSql(
+      'alter table if exists "product_variant" alter column "variant_rank" type integer using ("variant_rank"::integer);'
+    )
+  }
+
+  async down(): Promise<void> {
+    this.addSql(
+      'alter table if exists "product_category" alter column "rank" type numeric using ("rank"::numeric);'
+    )
+
+    this.addSql(
+      'alter table if exists "product_variant" alter column "variant_rank" type numeric using ("variant_rank"::numeric);'
+    )
+  }
+}

packages/modules/product/src/models/product-category.ts

@@ -68,7 +68,11 @@ class ProductCategory {
   @Property({ columnType: "boolean", default: false })
   is_internal?: boolean
 
-  @Property({ columnType: "numeric", nullable: false, default: 0 })
+  @Property({
+    columnType: "integer",
+    nullable: false,
+    default: 0,
+  })
   rank?: number
 
   @ManyToOne(() => ProductCategory, {

packages/modules/product/src/models/product-variant.ts

@@ -130,12 +130,10 @@ class ProductVariant {
   @Property({ columnType: "jsonb", nullable: true })
   metadata?: Record<string, unknown> | null
 
-  // TODO: replace with BigNumber, or in this case a normal int should work
   @Property({
-    columnType: "numeric",
+    columnType: "integer",
     nullable: true,
     default: 0,
-    serializer: optionalNumericSerializer,
   })
   variant_rank?: number | null