From d728dd9d3f24b1a0cec7c5215e6506c2ea1d00da Mon Sep 17 00:00:00 2001
From: Marcin Antas <antas.marcin@gmail.com>
Date: Mon, 23 Mar 2026 14:47:43 +0100
Subject: [PATCH 1/2] feat: add support for alter schema drop vector index

---
 weaviate/collections/config/async_.pyi  |  1 +
 weaviate/collections/config/executor.py | 38 +++++++++++++++++++++++++
 weaviate/collections/config/sync.pyi    |  1 +
 3 files changed, 40 insertions(+)

diff --git a/weaviate/collections/config/async_.pyi b/weaviate/collections/config/async_.pyi
index 015b70dab..91139dd83 100644
--- a/weaviate/collections/config/async_.pyi
+++ b/weaviate/collections/config/async_.pyi
@@ -90,3 +90,4 @@ class _ConfigCollectionAsync(_ConfigCollectionExecutor[ConnectionAsync]):
         self, *, vector_config: Union[_VectorConfigCreate, List[_VectorConfigCreate]]
     ) -> None: ...
     async def delete_property_index(self, property_name: str, index_name: IndexName) -> bool: ...
+    async def delete_vector_index(self, vector_name: str) -> bool: ...
diff --git a/weaviate/collections/config/executor.py b/weaviate/collections/config/executor.py
index c95cba5a3..148174171 100644
--- a/weaviate/collections/config/executor.py
+++ b/weaviate/collections/config/executor.py
@@ -631,3 +631,41 @@ def resp(res: Response) -> bool:
             error_msg="Property may not exist",
             status_codes=_ExpectedStatusCodes(ok_in=[200], error="property exists"),
         )
+
+    def delete_vector_index(
+        self,
+        vector_name: str,
+    ) -> executor.Result[bool]:
+        """Delete a vector index from the collection in Weaviate.
+
+            This is a destructive operation. The index will
+            need to be regenerated if you wish to use it again.
+
+        Args:
+            vector_name: The name of the vector whose index to delete.
+
+        Raises:
+            weaviate.exceptions.WeaviateConnectionError: If the network connection to Weaviate fails.
+            weaviate.exceptions.UnexpectedStatusCodeError: If Weaviate reports a non-OK status.
+            weaviate.exceptions.WeaviateInvalidInputError: If the vector does not exist.
+        """
+        _validate_input(
+            [_ValidateArgument(expected=[str], name="vector_name", value=vector_name)]
+        )
+
+        path = (
+            f"/schema/{_capitalize_first_letter(self._name)}"
+            + f"/vectors/{vector_name}"
+            + "/index"
+        )
+
+        def resp(res: Response) -> bool:
+            return res.status_code == 200
+
+        return executor.execute(
+            response_callback=resp,
+            method=self._connection.delete,
+            path=path,
+            error_msg="Vector may not exist",
+            status_codes=_ExpectedStatusCodes(ok_in=[200], error="vector exists"),
+        )
diff --git a/weaviate/collections/config/sync.pyi b/weaviate/collections/config/sync.pyi
index e54d8c8fc..7bd450819 100644
--- a/weaviate/collections/config/sync.pyi
+++ b/weaviate/collections/config/sync.pyi
@@ -88,3 +88,4 @@ class _ConfigCollection(_ConfigCollectionExecutor[ConnectionSync]):
         self, *, vector_config: Union[_VectorConfigCreate, List[_VectorConfigCreate]]
     ) -> None: ...
     def delete_property_index(self, property_name: str, index_name: IndexName) -> bool: ...
+    def delete_vector_index(self, vector_name: str) -> bool: ...

From 6d58d21d1a4273394380dc075e5720886c2819c1 Mon Sep 17 00:00:00 2001
From: Marcin Antas <antas.marcin@gmail.com>
Date: Sat, 14 Mar 2026 12:03:38 +0100
Subject: [PATCH 2/2] feat: add support for blobHash property type

---
 test/collection/test_config.py         | 8 ++++++++
 weaviate/collections/classes/config.py | 2 ++
 2 files changed, 10 insertions(+)

diff --git a/test/collection/test_config.py b/test/collection/test_config.py
index 73c3e56ae..aa4be85e4 100644
--- a/test/collection/test_config.py
+++ b/test/collection/test_config.py
@@ -1335,6 +1335,10 @@ def test_config_create_with_properties(
                 name="blob",
                 data_type=DataType.BLOB,
             ),
+            Property(
+                name="blob_hash",
+                data_type=DataType.BLOB_HASH,
+            ),
             Property(
                 name="phone_number",
                 data_type=DataType.PHONE_NUMBER,
@@ -1398,6 +1402,10 @@ def test_config_create_with_properties(
             "dataType": ["blob"],
             "name": "blob",
         },
+        {
+            "dataType": ["blobHash"],
+            "name": "blob_hash",
+        },
         {
             "dataType": ["phoneNumber"],
             "name": "phone_number",
diff --git a/weaviate/collections/classes/config.py b/weaviate/collections/classes/config.py
index 699a3c2a8..36a98e621 100644
--- a/weaviate/collections/classes/config.py
+++ b/weaviate/collections/classes/config.py
@@ -142,6 +142,7 @@ class DataType(str, BaseEnum):
         UUID_ARRAY: UUID array data type.
         GEO_COORDINATES: Geo coordinates data type.
         BLOB: Blob data type.
+        BLOB_HASH: Blob hash data type.
         PHONE_NUMBER: Phone number data type.
         OBJECT: Object data type.
         OBJECT_ARRAY: Object array data type.
@@ -161,6 +162,7 @@ class DataType(str, BaseEnum):
     UUID_ARRAY = "uuid[]"
     GEO_COORDINATES = "geoCoordinates"
     BLOB = "blob"
+    BLOB_HASH = "blobHash"
     PHONE_NUMBER = "phoneNumber"
     OBJECT = "object"
     OBJECT_ARRAY = "object[]"