diff --git a/lib/nntp/tiny/db.py b/lib/nntp/tiny/db.py
index 8542747..2eca781 100644
--- a/lib/nntp/tiny/db.py
+++ b/lib/nntp/tiny/db.py
@@ -113,7 +113,7 @@ class Database():
     def get(self, table, values: dict=dict()):
         return self.query(table, values).fetchone()
 
-    def _sqlite3_function(self, table, fn: str, column: str, values: dict=dict()) -> int:
+    def _call(self, table, fn: str, column: str, values: dict=dict()) -> int:
         sql = f"select {fn}({column}) as ret from {table.name}"
 
         if len(values) > 0:
@@ -125,10 +125,10 @@ class Database():
         return row[0] if row is not None else None
 
     def min(self, table, column: str, values: dict=dict()) -> int:
-        return self._sqlite3_function(table, 'min', column, values)
+        return self._call(table, 'min', column, values)
 
     def max(self, table, column: str, values: dict=dict()) -> int:
-        return self._sqlite3_function(table, 'max', column, values)
+        return self._call(table, 'max', column, values)
 
     def count(self, table, values: dict=dict()) -> int:
-        return self._sqlite3_function(table, 'count', table.key, values)
+        return self._call(table, 'count', table.key, values)