fix: support async vector search from a collection

google/cloud/firestore_v1/async_collection.py

@@ -23,6 +23,7 @@
     async_aggregation,
     async_document,
     async_query,
+    async_vector_query,
     transaction,
 )
 from google.cloud.firestore_v1.base_collection import (
@@ -81,6 +82,14 @@ def _aggregation_query(self) -> async_aggregation.AsyncAggregationQuery:
         """
         return async_aggregation.AsyncAggregationQuery(self._query())
 
+    def _vector_query(self) -> async_vector_query.AsyncVectorQuery:
+        """AsyncVectorQuery factory.
+
+        Returns:
+            :class:`~google.cloud.firestore_v1.async_vector_query.AsyncVectorQuery`
+        """
+        return async_vector_query.AsyncVectorQuery(self._query())
+
     async def _chunkify(self, chunk_size: int):
         async for page in self._query()._chunkify(chunk_size):
             yield page

tests/system/test_system.py

@@ -177,6 +177,29 @@ def on_snapshot(docs, changes, read_time):
 @pytest.mark.skipif(FIRESTORE_EMULATOR, reason="Require index and seed data")
 @pytest.mark.parametrize("database", [None, FIRESTORE_OTHER_DB], indirect=True)
 def test_vector_search_collection(client, database):
+    # Documents and Indexs are a manual step from util/boostrap_vector_index.py
+    collection_id = "vector_search"
+    collection = client.collection(collection_id)
+
+    vector_query = collection.find_nearest(
+        vector_field="embedding",
+        query_vector=Vector([1.0, 2.0, 3.0]),
+        distance_measure=DistanceMeasure.EUCLIDEAN,
+        limit=1,
+    )
+    returned = vector_query.get()
+    assert isinstance(returned, list)
+    assert len(returned) == 1
+    assert returned[0].to_dict() == {
+        "embedding": Vector([1.0, 2.0, 3.0]),
+        "color": "red",
+    }
+
+
+@pytest.mark.skipif(FIRESTORE_EMULATOR, reason="Require index and seed data")
+@pytest.mark.parametrize("database", [None, FIRESTORE_OTHER_DB], indirect=True)
+def test_vector_search_collection_with_filter(client, database):
+    # Documents and Indexs are a manual step from util/boostrap_vector_index.py
     collection_id = "vector_search"
     collection = client.collection(collection_id)
 
@@ -198,6 +221,29 @@ def test_vector_search_collection(client, database):
 @pytest.mark.skipif(FIRESTORE_EMULATOR, reason="Require index and seed data")
 @pytest.mark.parametrize("database", [None, FIRESTORE_OTHER_DB], indirect=True)
 def test_vector_search_collection_group(client, database):
+    # Documents and Indexs are a manual step from util/boostrap_vector_index.py
+    collection_id = "vector_search"
+    collection_group = client.collection_group(collection_id)
+
+    vector_query = collection_group.find_nearest(
+        vector_field="embedding",
+        query_vector=Vector([1.0, 2.0, 3.0]),
+        distance_measure=DistanceMeasure.EUCLIDEAN,
+        limit=1,
+    )
+    returned = vector_query.get()
+    assert isinstance(returned, list)
+    assert len(returned) == 1
+    assert returned[0].to_dict() == {
+        "embedding": Vector([1.0, 2.0, 3.0]),
+        "color": "red",
+    }
+
+
+@pytest.mark.skipif(FIRESTORE_EMULATOR, reason="Require index and seed data")
+@pytest.mark.parametrize("database", [None, FIRESTORE_OTHER_DB], indirect=True)
+def test_vector_search_collection_group_with_filter(client, database):
+    # Documents and Indexs are a manual step from util/boostrap_vector_index.py
     collection_id = "vector_search"
     collection_group = client.collection_group(collection_id)
 

tests/system/test_system_async.py

@@ -342,6 +342,28 @@ async def test_document_update_w_int_field(client, cleanup, database):
 @pytest.mark.skipif(FIRESTORE_EMULATOR, reason="Require index and seed data")
 @pytest.mark.parametrize("database", [None, FIRESTORE_OTHER_DB], indirect=True)
 async def test_vector_search_collection(client, database):
+    # Documents and Indexs are a manual step from util/boostrap_vector_index.py
+    collection_id = "vector_search"
+    collection = client.collection(collection_id)
+    vector_query = collection.find_nearest(
+        vector_field="embedding",
+        query_vector=Vector([1.0, 2.0, 3.0]),
+        limit=1,
+        distance_measure=DistanceMeasure.EUCLIDEAN,
+    )
+    returned = await vector_query.get()
+    assert isinstance(returned, list)
+    assert len(returned) == 1
+    assert returned[0].to_dict() == {
+        "embedding": Vector([1.0, 2.0, 3.0]),
+        "color": "red",
+    }
+
+
+@pytest.mark.skipif(FIRESTORE_EMULATOR, reason="Require index and seed data")
+@pytest.mark.parametrize("database", [None, FIRESTORE_OTHER_DB], indirect=True)
+async def test_vector_search_collection_with_filter(client, database):
+    # Documents and Indexs are a manual step from util/boostrap_vector_index.py
     collection_id = "vector_search"
     collection = client.collection(collection_id)
     vector_query = collection.where("color", "==", "red").find_nearest(
@@ -362,6 +384,29 @@ async def test_vector_search_collection(client, database):
 @pytest.mark.skipif(FIRESTORE_EMULATOR, reason="Require index and seed data")
 @pytest.mark.parametrize("database", [None, FIRESTORE_OTHER_DB], indirect=True)
 async def test_vector_search_collection_group(client, database):
+    # Documents and Indexs are a manual step from util/boostrap_vector_index.py
+    collection_id = "vector_search"
+    collection_group = client.collection_group(collection_id)
+
+    vector_query = collection_group.find_nearest(
+        vector_field="embedding",
+        query_vector=Vector([1.0, 2.0, 3.0]),
+        distance_measure=DistanceMeasure.EUCLIDEAN,
+        limit=1,
+    )
+    returned = await vector_query.get()
+    assert isinstance(returned, list)
+    assert len(returned) == 1
+    assert returned[0].to_dict() == {
+        "embedding": Vector([1.0, 2.0, 3.0]),
+        "color": "red",
+    }
+
+
+@pytest.mark.skipif(FIRESTORE_EMULATOR, reason="Require index and seed data")
+@pytest.mark.parametrize("database", [None, FIRESTORE_OTHER_DB], indirect=True)
+async def test_vector_search_collection_group_with_filter(client, database):
+    # Documents and Indexs are a manual step from util/boostrap_vector_index.py
     collection_id = "vector_search"
     collection_group = client.collection_group(collection_id)
 

tests/system/util/bootstrap_vector_index.py

@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 """A script to bootstrap vector data and vector index for system tests."""
+from google.api_core.client_options import ClientOptions
 from google.cloud.client import ClientWithProject  # type: ignore
 
 from google.cloud.firestore import Client
@@ -60,6 +61,21 @@ def _init_admin_api(self):
         return firestore_admin_client.FirestoreAdminClient(transport=self._transport)
 
     def create_vector_index(self, parent):
+        self._firestore_admin_api.create_index(
+            parent=parent,
+            index=Index(
+                query_scope=Index.QueryScope.COLLECTION,
+                fields=[
+                    Index.IndexField(
+                        field_path="embedding",
+                        vector_config=Index.IndexField.VectorConfig(
+                            dimension=3, flat=Index.IndexField.VectorConfig.FlatIndex()
+                        ),
+                    ),
+                ],
+            ),
+        )
+
         self._firestore_admin_api.create_index(
             parent=parent,
             index=Index(
@@ -79,6 +95,21 @@ def create_vector_index(self, parent):
             ),
         )
 
+        self._firestore_admin_api.create_index(
+            parent=parent,
+            index=Index(
+                query_scope=Index.QueryScope.COLLECTION_GROUP,
+                fields=[
+                    Index.IndexField(
+                        field_path="embedding",
+                        vector_config=Index.IndexField.VectorConfig(
+                            dimension=3, flat=Index.IndexField.VectorConfig.FlatIndex()
+                        ),
+                    ),
+                ],
+            ),
+        )
+
         self._firestore_admin_api.create_index(
             parent=parent,
             index=Index(
@@ -103,13 +134,16 @@ def create_vector_documents(client, collection_id):
     document1 = client.document(collection_id, "doc1")
     document2 = client.document(collection_id, "doc2")
     document3 = client.document(collection_id, "doc3")
-    document1.create({"embedding": Vector([1.0, 2.0, 3.0]), "color": "red"})
-    document2.create({"embedding": Vector([2.0, 2.0, 3.0]), "color": "red"})
-    document3.create({"embedding": Vector([3.0, 4.0, 5.0]), "color": "yellow"})
+    document1.set({"embedding": Vector([1.0, 2.0, 3.0]), "color": "red"})
+    document2.set({"embedding": Vector([2.0, 2.0, 3.0]), "color": "red"})
+    document3.set({"embedding": Vector([3.0, 4.0, 5.0]), "color": "yellow"})
 
 
 def main():
-    client = Client(project=PROJECT_ID, database=DATABASE_ID)
+    client_options = ClientOptions(api_endpoint=TARGET_HOSTNAME)
+    client = Client(
+        project=PROJECT_ID, database=DATABASE_ID, client_options=client_options
+    )
     create_vector_documents(client=client, collection_id=COLLECTION_ID)
     admin_client = FirestoreAdminClient(project=PROJECT_ID)
     admin_client.create_vector_index(

tests/unit/v1/test_async_vector_query.py

@@ -45,6 +45,72 @@ def _expected_pb(parent, vector_field, vector, distance_type, limit):
     return expected_pb
 
 
+@pytest.mark.parametrize(
+    "distance_measure, expected_distance",
+    [
+        (
+            DistanceMeasure.EUCLIDEAN,
+            StructuredQuery.FindNearest.DistanceMeasure.EUCLIDEAN,
+        ),
+        (DistanceMeasure.COSINE, StructuredQuery.FindNearest.DistanceMeasure.COSINE),
+        (
+            DistanceMeasure.DOT_PRODUCT,
+            StructuredQuery.FindNearest.DistanceMeasure.DOT_PRODUCT,
+        ),
+    ],
+)
+@pytest.mark.asyncio
+async def test_async_vector_query(distance_measure, expected_distance):
+    # Create a minimal fake GAPIC.
+    firestore_api = AsyncMock(spec=["run_query"])
+    client = make_async_client()
+    client._firestore_api_internal = firestore_api
+
+    # Make a **real** collection reference as parent.
+    parent = client.collection("dee")
+    parent_path, expected_prefix = parent._parent_info()
+
+    data = {"snooze": 10, "embedding": Vector([1.0, 2.0, 3.0])}
+    response_pb1 = _make_query_response(
+        name="{}/test_doc".format(expected_prefix), data=data
+    )
+
+    kwargs = make_retry_timeout_kwargs(retry=None, timeout=None)
+
+    # Execute the vector query and check the response.
+    firestore_api.run_query.return_value = AsyncIter([response_pb1])
+
+    vector_async_query = parent.find_nearest(
+        vector_field="embedding",
+        query_vector=Vector([1.0, 2.0, 3.0]),
+        distance_measure=distance_measure,
+        limit=5,
+    )
+
+    returned = await vector_async_query.get(transaction=_transaction(client), **kwargs)
+    assert isinstance(returned, list)
+    assert len(returned) == 1
+    assert returned[0].to_dict() == data
+
+    expected_pb = _expected_pb(
+        parent=parent,
+        vector_field="embedding",
+        vector=Vector([1.0, 2.0, 3.0]),
+        distance_type=expected_distance,
+        limit=5,
+    )
+
+    firestore_api.run_query.assert_called_once_with(
+        request={
+            "parent": parent_path,
+            "structured_query": expected_pb,
+            "transaction": _TXN_ID,
+        },
+        metadata=client._rpc_metadata,
+        **kwargs,
+    )
+
+
 @pytest.mark.parametrize(
     "distance_measure, expected_distance",
     [
@@ -84,14 +150,14 @@ async def test_async_vector_query_with_filter(distance_measure, expected_distanc
     # Execute the vector query and check the response.
     firestore_api.run_query.return_value = AsyncIter([response_pb1, response_pb2])
 
-    vector_async__query = query.where("snooze", "==", 10).find_nearest(
+    vector_async_query = query.where("snooze", "==", 10).find_nearest(
         vector_field="embedding",
         query_vector=Vector([1.0, 2.0, 3.0]),
         distance_measure=distance_measure,
         limit=5,
     )
 
-    returned = await vector_async__query.get(transaction=_transaction(client), **kwargs)
+    returned = await vector_async_query.get(transaction=_transaction(client), **kwargs)
     assert isinstance(returned, list)
     assert len(returned) == 2
     assert returned[0].to_dict() == data