minor: add function overload in python api

python/zvec/model/collection.py

@@ -13,7 +13,7 @@
 # limitations under the License.
 from __future__ import annotations
 
-from typing import Optional, Union
+from typing import Optional, Union, overload
 
 from _zvec import _Collection
 
@@ -230,6 +230,14 @@ def alter_column(
         self._schema = CollectionSchema._from_core(self._obj.Schema())
 
     # ========== Collection DDL Methods ==========
+    @overload
+    def insert(self, docs: Doc) -> Status:
+        pass
+
+    @overload
+    def insert(self, docs: list[Doc]) -> list[Status]:
+        pass
+
     def insert(self, docs: Union[Doc, list[Doc]]) -> Union[Status, list[Status]]:
         """Insert new documents into the collection.
 
@@ -249,6 +257,14 @@ def insert(self, docs: Union[Doc, list[Doc]]) -> Union[Status, list[Status]]:
         )
         return results[0] if is_single else results
 
+    @overload
+    def upsert(self, docs: Doc) -> Status:
+        pass
+
+    @overload
+    def upsert(self, docs: list[Doc]) -> list[Status]:
+        pass
+
     def upsert(self, docs: Union[Doc, list[Doc]]) -> Union[Status, list[Status]]:
         """Insert new documents or update existing ones by ID.
 
@@ -266,6 +282,14 @@ def upsert(self, docs: Union[Doc, list[Doc]]) -> Union[Status, list[Status]]:
         )
         return results[0] if is_single else results
 
+    @overload
+    def update(self, docs: Doc) -> Status:
+        pass
+
+    @overload
+    def update(self, docs: list[Doc]) -> list[Status]:
+        pass
+
     def update(self, docs: Union[Doc, list[Doc]]) -> Union[Status, list[Status]]:
         """Update existing documents by ID.
 
@@ -285,6 +309,14 @@ def update(self, docs: Union[Doc, list[Doc]]) -> Union[Status, list[Status]]:
         )
         return results[0] if is_single else results
 
+    @overload
+    def delete(self, ids: str) -> Status:
+        pass
+
+    @overload
+    def delete(self, ids: list[str]) -> list[Status]:
+        pass
+
     def delete(self, ids: Union[str, list[str]]) -> Union[Status, list[Status]]:
         """Delete documents by ID.