Update orders-migrations to work with new sqlalchemy syntax

freqtrade/persistence/migrations.py

@@ -128,23 +128,25 @@ def migrate_open_orders_to_trades(engine):
 
 def migrate_orders_table(decl_base, inspector, engine, table_back_name: str, cols: List):
     # Schema migration necessary
-    engine.execute(f"alter table orders rename to {table_back_name}")
-    # drop indexes on backup table
-    for index in inspector.get_indexes(table_back_name):
-        engine.execute(f"drop index {index['name']}")
+
+    with engine.begin() as connection:
+        connection.execute(text(f"alter table orders rename to {table_back_name}"))
+        # drop indexes on backup table
+        for index in inspector.get_indexes(table_back_name):
+            connection.execute(text(f"drop index {index['name']}"))
 
     # let SQLAlchemy create the schema as required
     decl_base.metadata.create_all(engine)
-
-    engine.execute(f"""
-        insert into orders ( id, ft_trade_id, ft_order_side, ft_pair, ft_is_open, order_id, status,
-        symbol, order_type, side, price, amount, filled, average, remaining, cost, order_date,
-        order_filled_date, order_update_date)
-        select id, ft_trade_id, ft_order_side, ft_pair, ft_is_open, order_id, status,
-        symbol, order_type, side, price, amount, filled, null average, remaining, cost, order_date,
-        order_filled_date, order_update_date
-        from {table_back_name}
-        """)
+    with engine.begin() as connection:
+        connection.execute(text(f"""
+            insert into orders ( id, ft_trade_id, ft_order_side, ft_pair, ft_is_open, order_id,
+            status, symbol, order_type, side, price, amount, filled, average, remaining, cost,
+            order_date, order_filled_date, order_update_date)
+            select id, ft_trade_id, ft_order_side, ft_pair, ft_is_open, order_id,
+            status, symbol, order_type, side, price, amount, filled, null average, remaining, cost,
+            order_date, order_filled_date, order_update_date
+            from {table_back_name}
+            """))
 
 
 def check_migrate(engine, decl_base, previous_tables) -> None: