From 3a9fcdbec25febac83cdad423cce619a10ca0e69 Mon Sep 17 00:00:00 2001
From: Felippe Mercurio <fmercurio@gmail.com>
Date: Thu, 26 Mar 2026 11:37:39 -0300
Subject: [PATCH] fix(oss): make pgvector pg import compatible with ESM (#4544)

---
 mem0-ts/src/oss/src/vector_stores/pgvector.ts | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/mem0-ts/src/oss/src/vector_stores/pgvector.ts b/mem0-ts/src/oss/src/vector_stores/pgvector.ts
index d99e78999..78b8a7ef8 100644
--- a/mem0-ts/src/oss/src/vector_stores/pgvector.ts
+++ b/mem0-ts/src/oss/src/vector_stores/pgvector.ts
@@ -1,4 +1,6 @@
-import { Client } from "pg";
+import type { Client as ClientType } from "pg";
+import pkg from "pg";
+const { Client } = pkg;
 import { VectorStore } from "./base";
 import { SearchFilters, VectorStoreConfig, VectorStoreResult } from "../types";
 
@@ -14,7 +16,7 @@ interface PGVectorConfig extends VectorStoreConfig {
 }
 
 export class PGVector implements VectorStore {
-  private client: Client;
+  private client: ClientType;
   private collectionName: string;
   private useDiskann: boolean;
   private useHnsw: boolean;