From c5eac081dac6ea1fe1133a15b7fcc5faef7ad0be Mon Sep 17 00:00:00 2001
From: Peter <samplainsboro@gmail.com>
Date: Thu, 20 Nov 2025 16:10:45 +0800
Subject: [PATCH] fix: add postgres connector cloning for multi-source support

---
 src/connectors/postgres/index.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/connectors/postgres/index.ts b/src/connectors/postgres/index.ts
index ed4f1c6..0016806 100644
--- a/src/connectors/postgres/index.ts
+++ b/src/connectors/postgres/index.ts
@@ -100,6 +100,10 @@ export class PostgresConnector implements Connector {
 
   private pool: pg.Pool | null = null;
 
+  clone(): Connector {
+    return new PostgresConnector();
+  }
+
   async connect(dsn: string, initScript?: string, config?: ConnectorConfig): Promise<void> {
     try {
       const poolConfig = await this.dsnParser.parse(dsn, config);