bug fix: invoke replace only on string arguments

ICRAR · Feb 7, 2024 · 8b84ae2 · 8b84ae2
1 parent 3cbf9d2
commit 8b84ae2
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/ngamsCore/ngamsLib/ngamsDbCore.py b/src/ngamsCore/ngamsLib/ngamsDbCore.py
@@ -824,8 +824,8 @@ def _prepare_query(self, sql, args):
 
         if not self._use_prepared_statement:
             markers = ["'{}'" if isinstance(arg, str) else "NULL" if arg is None else "{}" for arg in args]
-            args = [arg.replace("'", "''") for arg in args]
-            args = list(filter(lambda x: x is not None, args))
+            args = list(filter(lambda arg: arg is not None, args))
+            args = [arg.replace("'", "''") if isinstance(arg, str) else arg for arg in args]
             return sql.format(*markers).format(*args), ()
 
         # Depending on the database vendor and its declared paramstyle