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

scratch/deep_dive.py

@@ -0,0 +1,60 @@
+import sys
+import os
+sys.path.append(os.path.dirname(os.path.abspath(__file__)) + '/..')
+from database import TradeDB
+import json
+
+db = TradeDB()
+try:
+    print("[Target Candidates History by Market]")
+    tc_market = db.conn.execute("""
+        SELECT market, count(*) as c
+        FROM target_candidates_history
+        WHERE date(scan_time) = '2026-08-31'
+        GROUP BY market
+    """).fetchall()
+    for row in tc_market: print(dict(row))
+
+    print("\n[LS Candidates History Cols]")
+    cols_lch = [dict(r)["Field"] for r in db.conn.execute("SHOW COLUMNS FROM ls_candidates_history").fetchall()]
+    print(cols_lch)
+    
+    if len(cols_lch) > 0:
+        date_col_lch = 'scan_time' if 'scan_time' in cols_lch else ('created_at' if 'created_at' in cols_lch else 'ts')
+        lch_data = db.conn.execute(f"""
+            SELECT HOUR({date_col_lch}) as hr, count(*) 
+            FROM ls_candidates_history 
+            WHERE date({date_col_lch}) = '2026-08-31' 
+            GROUP BY HOUR({date_col_lch})
+        """).fetchall()
+        print("LS Candidates History by hour:")
+        for row in lch_data: print(dict(row))
+
+    print("\n[WS Orderbook (KIS) Recent]")
+    recent_ob = db.conn.execute("""
+        SELECT *
+        FROM ws_orderbook
+        WHERE date(snap_time) = '2026-08-31'
+        ORDER BY snap_time DESC
+        LIMIT 5
+    """).fetchall()
+    for r in recent_ob:
+        d = dict(r)
+        d['levels_json'] = d['levels_json'][:50] + "..." if d['levels_json'] else None
+        print(d)
+
+    print("\n[LS WS Orderbook Recent]")
+    ls_recent_ob = db.conn.execute("""
+        SELECT *
+        FROM ls_ws_orderbook
+        WHERE date(snap_time) = '2026-08-31'
+        ORDER BY snap_time DESC
+        LIMIT 5
+    """).fetchall()
+    for r in ls_recent_ob:
+        d = dict(r)
+        d['levels_json'] = d['levels_json'][:50] + "..." if d['levels_json'] else None
+        print(d)
+
+finally:
+    db.close()