From 555792cc44bf195d50d88b778081e6be5cf373bf Mon Sep 17 00:00:00 2001
From: cfdaily <cfdaily@gitee.com>
Date: Sun, 3 May 2026 10:48:31 +0800
Subject: [PATCH] auto-sync: 2026-05-03 10:48:31

---
 data_platform/daily_all_update.py | 36 +++++++++++++++++++++----------
 1 file changed, 25 insertions(+), 11 deletions(-)

diff --git a/data_platform/daily_all_update.py b/data_platform/daily_all_update.py
index 3646bfd8..bb57a7d6 100644
--- a/data_platform/daily_all_update.py
+++ b/data_platform/daily_all_update.py
@@ -426,22 +426,33 @@ def run_15min_update(codes: List[str]) -> dict:
 # ======================== vnpy DB写入 ========================
 
 def _write_vnpy_db(values: list, label: str):
-    """增量写入vnpy SQLite DB"""
+    """增量写入vnpy SQLite DB - 本地临时DB写入后ATTACH导入NAS DB"""
     logger.info("写入vnpy DB [%s]: %d 条记录", label, len(values))
+    local_tmp = f"/tmp/vnpy_update_{label}_{int(time.time())}.db"
     try:
+        # 1. 本地临时DB写入增量
+        conn = sqlite3.connect(local_tmp, timeout=30)
+        c = conn.cursor()
+        c.execute("PRAGMA journal_mode=WAL")
+        c.executemany(
+            """INSERT OR REPLACE INTO dbbardata
+            (symbol,exchange,datetime,interval,volume,turnover,open_interest,
+             open_price,high_price,low_price,close_price)
+            VALUES (?,?,?,?,?,?,?,?,?,?,?)""",
+            values,
+        )
+        conn.commit()
+        conn.close()
+        logger.info("  本地写入完成: %s (%d rows)", local_tmp, len(values))
+
+        # 2. ATTACH到NAS DB，批量导入
         conn = sqlite3.connect(str(VNPY_DB_PATH), timeout=120)
         c = conn.cursor()
         c.execute("PRAGMA journal_mode=WAL")
-        for j in range(0, len(values), DB_BATCH_SIZE):
-            c.executemany(
-                """INSERT OR REPLACE INTO dbbardata
-                (symbol,exchange,datetime,interval,volume,turnover,open_interest,
-                 open_price,high_price,low_price,close_price)
-                VALUES (?,?,?,?,?,?,?,?,?,?,?)""",
-                values[j : j + DB_BATCH_SIZE],
-            )
-            conn.commit()
-            logger.info("  DB批次 %d/%d", j // DB_BATCH_SIZE + 1, (len(values) - 1) // DB_BATCH_SIZE + 1)
+        c.execute(f"ATTACH DATABASE ? AS tmpdb", (local_tmp,))
+        c.execute("INSERT OR REPLACE INTO main.dbbardata SELECT * FROM tmpdb.dbbardata")
+        conn.commit()
+        c.execute("DETACH DATABASE tmpdb")
 
         # 更新overview
         c.execute(
@@ -454,6 +465,9 @@ def _write_vnpy_db(values: list, label: str):
         logger.info("✅ vnpy DB [%s] 写入完成", label)
     except Exception as e:
         logger.error("❌ vnpy DB [%s] 写入失败: %s", label, e)
+    finally:
+        if os.path.exists(local_tmp):
+            os.remove(local_tmp)
 
 
 # ======================== 主入口 ========================