fix: update database switching to modify schema file directly

scripts/switch-database.js

@@ -22,7 +22,7 @@ function updateEnvFile(provider) {
     envContent = fs.readFileSync(envExampleFile, 'utf8');
   }
 
-  // Update DATABASE_PROVIDER
+  // Update DATABASE_PROVIDER (note: this is for reference only, not used by Prisma)
   const providerRegex = /^DATABASE_PROVIDER=.*$/m;
   if (providerRegex.test(envContent)) {
     envContent = envContent.replace(providerRegex, `DATABASE_PROVIDER=${provider}`);
@@ -54,6 +54,33 @@ function updateEnvFile(provider) {
   console.log(`✅ Updated ${envFile} to use ${provider} database`);
 }
 
+function updateSchemaFile(provider) {
+  const schemaPath = path.join(process.cwd(), 'prisma', 'schema.prisma');
+  
+  if (!fs.existsSync(schemaPath)) {
+    console.error(`❌ Schema file not found: ${schemaPath}`);
+    return false;
+  }
+
+  let schemaContent = fs.readFileSync(schemaPath, 'utf8');
+  
+  // Update the provider in the datasource block
+  const providerRegex = /(datasource db\s*\{[^}]*provider\s*=\s*)"[^"]+"/;
+  if (providerRegex.test(schemaContent)) {
+    schemaContent = schemaContent.replace(
+      providerRegex,
+      `$1"${provider}"`
+    );
+    
+    fs.writeFileSync(schemaPath, schemaContent);
+    console.log(`✅ Updated schema.prisma to use ${provider} provider`);
+    return true;
+  } else {
+    console.error(`❌ Could not find provider declaration in schema.prisma`);
+    return false;
+  }
+}
+
 function main() {
   const args = process.argv.slice(2);
   const provider = args[0];
@@ -70,6 +97,7 @@ function main() {
 
   const normalizedProvider = provider === 'postgres' ? 'postgresql' : provider;
   updateEnvFile(normalizedProvider);
+  updateSchemaFile(normalizedProvider);
 
   console.log('\nNext steps:');
   console.log('1. Run: npx prisma generate');