#14 Begin implementing commit_history range options

PainterQubits · Feb 27, 2023 · 8405c18 · 8405c18
1 parent d656ddc
commit 8405c18
Showing 1 changed file with 6 additions and 4 deletions.
diff --git a/paramdb/_database.py b/paramdb/_database.py
@@ -144,12 +144,14 @@ def load(self, commit_id: int | None = None) -> T:
             )
         return cast(T, json.loads(_decompress(data), object_hook=_from_dict))
 
-    def commit_history(self) -> list[CommitEntry]:
+    def commit_history(
+        self, number: int | None = None, *, start: int | None = None
+    ) -> list[CommitEntry]:
         """Retrieve the commit history as a list of :py:class:`CommitEntry`."""
         with self._Session() as session:
             history_entries = session.execute(
-                select(_Snapshot.id, _Snapshot.message, _Snapshot.timestamp).order_by(
-                    _Snapshot.id
-                )
+                select(_Snapshot.id, _Snapshot.message, _Snapshot.timestamp)
+                .order_by(desc(_Snapshot.id))
+                .limit(number)
             ).mappings()
         return [CommitEntry(**row_mapping) for row_mapping in history_entries]