feat(Core/UI): 백테스트 전역 엔진 선택 버튼 추가 및 스캘핑 Rust 방어로직 포팅 1차 완료

scratch/check_db_tables_and_stats.py

@@ -0,0 +1,54 @@
+import sys
+import os
+sys.path.append(os.path.dirname(os.path.abspath(__file__)) + '/..')
+from database import TradeDB
+
+db = TradeDB()
+try:
+    tables = [list(dict(r).values())[0] for r in db.conn.execute("SHOW TABLES").fetchall()]
+    print("Tables:", tables)
+
+    print("\n[LS Ticks]")
+    ls_ticks = db.conn.execute("""
+        SELECT HOUR(ts) as hr, count(*) 
+        FROM ls_ws_ticks 
+        WHERE date(ts) = '2026-08-31' 
+        GROUP BY HOUR(ts)
+    """).fetchall()
+    for row in ls_ticks: print(dict(row))
+
+    print("\n[Target Candidates]")
+    tc = db.conn.execute("""
+        SELECT HOUR(scan_time) as hr, count(*) 
+        FROM target_candidates 
+        WHERE date(scan_time) = '2026-08-31' 
+        GROUP BY HOUR(scan_time)
+    """).fetchall()
+    for row in tc: print(dict(row))
+
+    if 'kis_ws_orderbooks' in tables:
+        print("\n[KIS Orderbooks - kis_ws_orderbooks]")
+        obs = db.conn.execute("""
+            SELECT HOUR(timestamp) as hr, count(*) 
+            FROM kis_ws_orderbooks 
+            WHERE date(timestamp) = '2026-08-31' 
+            GROUP BY HOUR(timestamp)
+        """).fetchall()
+        for row in obs: print(dict(row))
+    elif 'ws_orderbook' in tables:
+        print("\n[KIS Orderbooks - ws_orderbook]")
+        try:
+            cols = [dict(r)["Field"] for r in db.conn.execute("SHOW COLUMNS FROM ws_orderbook").fetchall()]
+            ts_col = 'ts' if 'ts' in cols else ('timestamp' if 'timestamp' in cols else 'snap_time')
+            obs = db.conn.execute(f"""
+                SELECT HOUR({ts_col}) as hr, count(*) 
+                FROM ws_orderbook 
+                WHERE date({ts_col}) = '2026-08-31' 
+                GROUP BY HOUR({ts_col})
+            """).fetchall()
+            for row in obs: print(dict(row))
+        except Exception as e:
+            print(e)
+            
+finally:
+    db.close()