From 4319cf7f31ceca863fa8674bb6309a03ed1ad1d1 Mon Sep 17 00:00:00 2001
From: shaw <shaw-wei@foxmail.com>
Date: Tue, 30 Dec 2025 23:11:49 +0800
Subject: [PATCH] =?UTF-8?q?fix(=E4=BB=93=E5=82=A8):=20=E4=BF=AE=E5=A4=8D?=
 =?UTF-8?q?=20BatchUpdateLastUsed=20=E6=97=B6=E9=97=B4=E6=88=B3=E7=B1=BB?=
 =?UTF-8?q?=E5=9E=8B=E4=B8=8D=E5=8C=B9=E9=85=8D?=
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在原生 SQL 的 CASE WHEN 语句中，PostgreSQL 无法自动推断占位符参数类型，
导致 time.Time 被当作 text 类型处理，与 last_used_at 列的 timestamptz 类型不匹配。

添加显式类型转换 ::timestamptz 解决此问题。
---
 backend/internal/repository/account_repo.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backend/internal/repository/account_repo.go b/backend/internal/repository/account_repo.go
index 19dff447..aa880269 100644
--- a/backend/internal/repository/account_repo.go
+++ b/backend/internal/repository/account_repo.go
@@ -334,7 +334,7 @@ func (r *accountRepository) BatchUpdateLastUsed(ctx context.Context, updates map
 
 	idx := 1
 	for id, ts := range updates {
-		caseSQL += " WHEN $" + itoa(idx) + " THEN $" + itoa(idx+1)
+		caseSQL += " WHEN $" + itoa(idx) + " THEN $" + itoa(idx+1) + "::timestamptz"
 		args = append(args, id, ts)
 		ids = append(ids, id)
 		idx += 2