From 68fb6f682dc9469316094e25c73761c80e56ae89 Mon Sep 17 00:00:00 2001
From: ricky <rickif@qq.com>
Date: Tue, 6 Jan 2026 09:28:49 +0800
Subject: [PATCH] fix: replace pg conn with pgpool

---
 vectorstores/pgvector/pgvector.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/vectorstores/pgvector/pgvector.go b/vectorstores/pgvector/pgvector.go
index 7c8becb54..00a1460ff 100644
--- a/vectorstores/pgvector/pgvector.go
+++ b/vectorstores/pgvector/pgvector.go
@@ -10,6 +10,7 @@ import (
 	"github.com/google/uuid"
 	"github.com/jackc/pgx/v5"
 	"github.com/jackc/pgx/v5/pgconn"
+	"github.com/jackc/pgx/v5/pgxpool"
 	"github.com/pgvector/pgvector-go"
 	"github.com/tmc/langchaingo/embeddings"
 	"github.com/tmc/langchaingo/schema"
@@ -80,7 +81,7 @@ func New(ctx context.Context, opts ...Option) (Store, error) {
 		return Store{}, err
 	}
 	if store.conn == nil {
-		store.conn, err = pgx.Connect(ctx, store.connURL)
+		store.conn, err = pgxpool.New(ctx, store.connURL)
 		if err != nil {
 			return Store{}, err
 		}