Accelerate the deletion execution (#10967)

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/planner/plan/node/write/DeleteDataNode.java

@@ -270,7 +270,17 @@ public class DeleteDataNode extends WritePlanNode implements WALEntryValue {
         .map(
             o ->
                 new DeleteDataNode(
-                    getPlanNodeId(), regionToPatternMap.get(o), deleteStartTime, deleteEndTime, o))
+                    getPlanNodeId(),
+                    // Pick the smaller path list to execute the deletion.
+                    // E.g. There is only one path(root.sg.**) in pathList and two paths(root.sg.d1,
+                    // root.sg.d2) in a map entry in regionToPatternMap. Choose the original path is
+                    // better.
+                    this.pathList.size() < regionToPatternMap.get(o).size()
+                        ? this.pathList
+                        : regionToPatternMap.get(o),
+                    deleteStartTime,
+                    deleteEndTime,
+                    o))
         .collect(Collectors.toList());
   }
 

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/DataRegion.java

@@ -1935,6 +1935,9 @@ public class DataRegion implements IDataRegionForQuery {
             return true;
           }
         }
+        if (databaseName.contentEquals(device.getDevice())) {
+          return false;
+        }
         Pair<Long, Long> startAndEndTime =
             tsFileResource.getPossibleStartTimeAndEndTime(device, deviceMatchInfo);
         if (startAndEndTime == null) {