refactor: enhance Optuna backtesting framework, optimize orderbook filtering, and update database management utilities.

scratch/check_db_schema.py

@@ -0,0 +1,40 @@
+import sys
+from pathlib import Path
+sys.path.append(str(Path(__file__).resolve().parent.parent))
+from database import TradeDB
+
+db = TradeDB()
+
+print("--- ws_ticks Schema ---")
+cols = db.conn.execute("SHOW COLUMNS FROM ws_ticks").fetchall()
+for r in cols:
+    print(dict(r))
+
+print("\n--- ws_ticks Sample ---")
+sample = db.conn.execute("SELECT * FROM ws_ticks ORDER BY id DESC LIMIT 5").fetchall()
+for r in sample:
+    print(dict(r))
+    
+print("\n--- ls_ws_ticks Sample ---")
+sample = db.conn.execute("SELECT * FROM ls_ws_ticks ORDER BY id DESC LIMIT 5").fetchall()
+for r in sample:
+    print(dict(r))
+    
+print("\n--- ws_candles Sample ---")
+sample = db.conn.execute("SELECT * FROM ws_candles ORDER BY id DESC LIMIT 5").fetchall()
+for r in sample:
+    print(dict(r))
+
+print("\n--- ws_orderbook Schema & Sample ---")
+cols = db.conn.execute("SHOW COLUMNS FROM ws_orderbook").fetchall()
+print([dict(r)['Field'] for r in cols])
+sample = db.conn.execute("SELECT * FROM ws_orderbook ORDER BY id DESC LIMIT 5").fetchall()
+for r in sample:
+    print(dict(r))
+
+print("\n--- ls_ws_orderbook Sample ---")
+sample = db.conn.execute("SELECT * FROM ls_ws_orderbook ORDER BY id DESC LIMIT 5").fetchall()
+for r in sample:
+    print(dict(r))
+
+db.close()