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nest-websocket/prisma/schema.prisma

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+// This is your Prisma schema file,
+// learn more about it in the docs: https://pris.ly/d/prisma-schema
+
+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "postgres"
+  url      = env("DATABASE_URL")
+}
+
+model user {
+  id       String @id() @default(uuid())
+  username String
+}
+
+model message {
+  id       String   @id() @default(uuid())
+  content  String
+  userId   String
+  createAt DateTime @default(now())
+}