From 016b13a8f178d594a3878a4296c04f07f4279442 Mon Sep 17 00:00:00 2001
From: 21in7 <skawksmsduzo@gmail.com>
Date: Mon, 2 Mar 2026 14:13:00 +0900
Subject: [PATCH] fix: fill NaN in oi_change/funding_rate after concat when
 columns missing in existing parquet

Made-with: Cursor
---
 scripts/fetch_history.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/scripts/fetch_history.py b/scripts/fetch_history.py
index 14d50d3..ddbfa12 100644
--- a/scripts/fetch_history.py
+++ b/scripts/fetch_history.py
@@ -306,6 +306,11 @@ def upsert_parquet(path: "Path | str", new_df: pd.DataFrame) -> pd.DataFrame:
     if len(new_only_idx) > 0:
         existing = pd.concat([existing, new_df.loc[new_only_idx]])
 
+    # 컬럼 불일치(기존 parquet에 oi_change/funding_rate 없음)로 생긴 NaN을 0으로 채움
+    for col in UPSERT_COLS:
+        if col in existing.columns:
+            existing[col] = existing[col].fillna(0.0)
+
     return existing.sort_index()