invalidate xindexes cache after in-place coord update

pydata · Feb 24, 2025 · 304a25b · 304a25b
1 parent 1adf33e
commit 304a25b
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/xarray/core/coordinates.py b/xarray/core/coordinates.py
@@ -801,17 +801,23 @@ def _update_coords(
         original_indexes = dict(self._data.xindexes)
         original_indexes.update(indexes)
         self._data._indexes = original_indexes
+        # invalidate xindexes cache
+        self._data._xindexes = None
 
     def _drop_coords(self, coord_names):
         # should drop indexed coordinates only
         for name in coord_names:
             del self._data._variables[name]
             del self._data._indexes[name]
         self._data._coord_names.difference_update(coord_names)
+        # invalidate xindexes cache
+        self._data._xindexes = None
 
     def __delitem__(self, key: Hashable) -> None:
         if key in self:
             del self._data[key]
+            # invalidate xindexes cache
+            self._data._xindexes = None
         else:
             raise KeyError(
                 f"{key!r} is not in coordinate variables {tuple(self.keys())}"