Change currency to required

prisma/migrations/20220302200727_changed_currency_to_required_in_symbol_profile/migration.sql

@@ -0,0 +1,5 @@
+-- Set default value
+UPDATE "SymbolProfile" SET "currency" = 'USD' WHERE "currency" IS NULL;
+
+-- AlterTable
+ALTER TABLE "SymbolProfile" ALTER COLUMN "currency" SET NOT NULL;

prisma/schema.prisma

@@ -116,7 +116,7 @@ model SymbolProfile {
   assetSubClass        AssetSubClass?
   countries            Json?
   createdAt            DateTime       @default(now())
-  currency             String?
+  currency             String
   dataSource           DataSource
   id                   String         @id @default(uuid())
   name                 String?