Update engine.py

vnpy_datamanager/engine.py

@@ -5,7 +5,7 @@
 from vnpy.trader.engine import BaseEngine, MainEngine, EventEngine
 from vnpy.trader.constant import Interval, Exchange
 from vnpy.trader.object import BarData, TickData, ContractData, HistoryRequest
-from vnpy.trader.database import BaseDatabase, get_database, BarOverview, DB_TZ
+from vnpy.trader.database import BaseDatabase, get_database, BarOverview, TickOverview, DB_TZ
 from vnpy.trader.datafeed import BaseDatafeed, get_datafeed
 from vnpy.trader.utility import ZoneInfo
 
@@ -146,6 +146,10 @@ def get_bar_overview(self) -> List[BarOverview]:
         """"""
         return self.database.get_bar_overview()
 
+    def get_tick_overview(self) -> List[TickOverview]:
+        """"""
+        return self.database.get_tick_overview()
+
     def load_bar_data(
         self,
         symbol: str,
@@ -216,6 +220,36 @@ def download_bar_data(
             return (len(data))
 
         return 0
+
+    def load_tick_data(
+        self,
+        symbol: str,
+        exchange: Exchange,
+        start: datetime,
+        end: datetime
+    ) -> List[TickData]:
+        """"""
+        ticks: List[TickData] = self.database.load_tick_data(
+            symbol,
+            exchange,
+            start,
+            end
+        )
+
+        return ticks
+
+    def delete_tick_data(
+        self,
+        symbol: str,
+        exchange: Exchange,
+    ) -> int:
+        """"""
+        count: int = self.database.delete_tick_data(
+            symbol,
+            exchange,
+        )
+
+        return count
 
     def download_tick_data(
         self,
@@ -231,7 +265,8 @@ def download_tick_data(
             symbol=symbol,
             exchange=exchange,
             start=start,
-            end=datetime.now(DB_TZ)
+            end=datetime.now(DB_TZ),
+            interval = Interval.TICK,
         )
 
         data: List[TickData] = self.datafeed.query_tick_history(req, output)