Raise notimplemented for stubs

Flowminder · Nov 5, 2024 · 88990c1 · 88990c1
1 parent 7075c4e
commit 88990c1
Showing 1 changed file with 21 additions and 4 deletions.
diff --git a/flowmachine/flowmachine/core/query_stub.py b/flowmachine/flowmachine/core/query_stub.py
@@ -25,9 +25,26 @@ def __init__(self, deps: list["Query"], qid: str) -> None:
         self.deps = deps
         self._md5 = qid
         super().__init__()
-    def _make_query(self):
-        pass
+
+    def _make_query(self) -> str:
+        """
+        Not implemented for stub queries.
+
+        Raises
+        ------
+        NotImplementedError
+            Always, as stub queries cannot generate SQL.
+        """
+        raise NotImplementedError("Stub queries cannot generate SQL")
 
     @property
-    def column_names(self):
-        pass
+    def column_names(self) -> list[str]:
+        """
+        Not implemented for stub queries.
+
+        Raises
+        ------
+        NotImplementedError
+            Always, as stub queries cannot generate SQL.
+        """
+        raise NotImplementedError("Stub queries cannot provide column names.")