enhance: Enable set_properties and describe_database api

examples/database.py

@@ -133,6 +133,14 @@ def collection_read_write(collection, db_name):
     # list collections within db1
     print("\nlist collections of database db1:")
     print(utility.list_collections())
+
+    # set properties of db1
+    print("\nset properties of db1:")
+    db_info = db.describe_database(db_name="db1")
+    print(db_info)
+    db.set_properties(db_name="db1", properties={"key": "value"})
+    db_info = db.describe_database(db_name="db1")
+    print(db_info)
 
     print("\ndrop collection: col1_db2 from db1")
     col2_db1.drop()

pymilvus/client/grpc_handler.py

@@ -42,6 +42,7 @@
     BulkInsertState,
     CompactionPlans,
     CompactionState,
+    DatabaseInfo,
     DataType,
     GrantInfo,
     Group,
@@ -1288,6 +1289,21 @@ def list_database(self, timeout: Optional[float] = None):
         check_status(response.status)
         return list(response.db_names)
 
+    @retry_on_rpc_failure()
+    def alter_database(
+        self, db_name: str, properties: dict, timeout: Optional[float] = None, **kwargs
+    ):
+        request = Prepare.alter_database_req(db_name, properties)
+        status = self._stub.AlterDatabase(request, timeout=timeout)
+        check_status(status)
+
+    @retry_on_rpc_failure()
+    def describe_database(self, db_name: str, timeout: Optional[float] = None):
+        request = Prepare.describe_database_req(db_name=db_name)
+        resp = self._stub.DescribeDatabase(request, timeout=timeout)
+        check_status(resp.status)
+        return DatabaseInfo(resp)
+
     @retry_on_rpc_failure()
     def get_load_state(
         self,

pymilvus/client/prepare.py

@@ -1238,3 +1238,14 @@ def drop_database_req(cls, db_name: str):
     @classmethod
     def list_database_req(cls):
         return milvus_types.ListDatabasesRequest()
+
+    @classmethod
+    def alter_database_req(cls, db_name: str, properties: Dict):
+        check_pass_param(db_name=db_name)
+        kvs = [common_types.KeyValuePair(key=k, value=str(v)) for k, v in properties.items()]
+        return milvus_types.AlterDatabaseRequest(db_name=db_name, properties=kvs)
+
+    @classmethod
+    def describe_database_req(cls, db_name: str):
+        check_pass_param(db_name=db_name)
+        return milvus_types.DescribeDatabaseRequest(db_name=db_name)

pymilvus/client/types.py

@@ -888,3 +888,32 @@ def hostname(self) -> str:
 Attributes:
     resource_group (str): The name of the resource group that can be transferred to or from.
 """
+
+
+class DatabaseInfo:
+    """
+    Represents the information of a database.
+    Atributes:
+        name (str): The name of the database.
+        properties (dict): The properties of the database.
+    Example:
+        DatabaseInfo(name="test_db", id=1, properties={"key": "value"})
+    """
+
+    @property
+    def name(self) -> str:
+        return self._name
+
+    @property
+    def properties(self) -> Dict:
+        return self._properties
+
+    def __init__(self, info: Any) -> None:
+        self._name = info.db_name
+        self._properties = {}
+
+        for p in info.properties:
+            self.properties[p.key] = p.value
+
+    def __str__(self) -> str:
+        return f"DatabaseInfo(name={self.name}, properties={self.properties})"

pymilvus/grpc_gen/common_pb2.pyi

@@ -204,6 +204,8 @@ class MsgType(int, metaclass=_enum_type_wrapper.EnumTypeWrapper):
     CreateDatabase: _ClassVar[MsgType]
     DropDatabase: _ClassVar[MsgType]
     ListDatabases: _ClassVar[MsgType]
+    AlterDatabase: _ClassVar[MsgType]
+    DescribeDatabase: _ClassVar[MsgType]
 
 class DslType(int, metaclass=_enum_type_wrapper.EnumTypeWrapper):
     __slots__ = ()
@@ -292,6 +294,7 @@ class ObjectPrivilege(int, metaclass=_enum_type_wrapper.EnumTypeWrapper):
     PrivilegeListAliases: _ClassVar[ObjectPrivilege]
     PrivilegeUpdateResourceGroups: _ClassVar[ObjectPrivilege]
     PrivilegeAlterDatabase: _ClassVar[ObjectPrivilege]
+    PrivilegeDescribeDatabase: _ClassVar[ObjectPrivilege]
 
 class StateCode(int, metaclass=_enum_type_wrapper.EnumTypeWrapper):
     __slots__ = ()
@@ -490,6 +493,8 @@ UpdateResourceGroups: MsgType
 CreateDatabase: MsgType
 DropDatabase: MsgType
 ListDatabases: MsgType
+AlterDatabase: MsgType
+DescribeDatabase: MsgType
 Dsl: DslType
 BoolExprV1: DslType
 UndefiedState: CompactionState
@@ -560,6 +565,7 @@ PrivilegeDescribeAlias: ObjectPrivilege
 PrivilegeListAliases: ObjectPrivilege
 PrivilegeUpdateResourceGroups: ObjectPrivilege
 PrivilegeAlterDatabase: ObjectPrivilege
+PrivilegeDescribeDatabase: ObjectPrivilege
 Initializing: StateCode
 Healthy: StateCode
 Abnormal: StateCode

pymilvus/grpc_gen/milvus_pb2.pyi

@@ -831,7 +831,7 @@ class FlushRequest(_message.Message):
     def __init__(self, base: _Optional[_Union[_common_pb2.MsgBase, _Mapping]] = ..., db_name: _Optional[str] = ..., collection_names: _Optional[_Iterable[str]] = ...) -> None: ...
 
 class FlushResponse(_message.Message):
-    __slots__ = ("status", "db_name", "coll_segIDs", "flush_coll_segIDs", "coll_seal_times", "coll_flush_ts")
+    __slots__ = ("status", "db_name", "coll_segIDs", "flush_coll_segIDs", "coll_seal_times", "coll_flush_ts", "channel_cps")
     class CollSegIDsEntry(_message.Message):
         __slots__ = ("key", "value")
         KEY_FIELD_NUMBER: _ClassVar[int]
@@ -860,19 +860,28 @@ class FlushResponse(_message.Message):
         key: str
         value: int
         def __init__(self, key: _Optional[str] = ..., value: _Optional[int] = ...) -> None: ...
+    class ChannelCpsEntry(_message.Message):
+        __slots__ = ("key", "value")
+        KEY_FIELD_NUMBER: _ClassVar[int]
+        VALUE_FIELD_NUMBER: _ClassVar[int]
+        key: str
+        value: _msg_pb2.MsgPosition
+        def __init__(self, key: _Optional[str] = ..., value: _Optional[_Union[_msg_pb2.MsgPosition, _Mapping]] = ...) -> None: ...
     STATUS_FIELD_NUMBER: _ClassVar[int]
     DB_NAME_FIELD_NUMBER: _ClassVar[int]
     COLL_SEGIDS_FIELD_NUMBER: _ClassVar[int]
     FLUSH_COLL_SEGIDS_FIELD_NUMBER: _ClassVar[int]
     COLL_SEAL_TIMES_FIELD_NUMBER: _ClassVar[int]
     COLL_FLUSH_TS_FIELD_NUMBER: _ClassVar[int]
+    CHANNEL_CPS_FIELD_NUMBER: _ClassVar[int]
     status: _common_pb2.Status
     db_name: str
     coll_segIDs: _containers.MessageMap[str, _schema_pb2.LongArray]
     flush_coll_segIDs: _containers.MessageMap[str, _schema_pb2.LongArray]
     coll_seal_times: _containers.ScalarMap[str, int]
     coll_flush_ts: _containers.ScalarMap[str, int]
-    def __init__(self, status: _Optional[_Union[_common_pb2.Status, _Mapping]] = ..., db_name: _Optional[str] = ..., coll_segIDs: _Optional[_Mapping[str, _schema_pb2.LongArray]] = ..., flush_coll_segIDs: _Optional[_Mapping[str, _schema_pb2.LongArray]] = ..., coll_seal_times: _Optional[_Mapping[str, int]] = ..., coll_flush_ts: _Optional[_Mapping[str, int]] = ...) -> None: ...
+    channel_cps: _containers.MessageMap[str, _msg_pb2.MsgPosition]
+    def __init__(self, status: _Optional[_Union[_common_pb2.Status, _Mapping]] = ..., db_name: _Optional[str] = ..., coll_segIDs: _Optional[_Mapping[str, _schema_pb2.LongArray]] = ..., flush_coll_segIDs: _Optional[_Mapping[str, _schema_pb2.LongArray]] = ..., coll_seal_times: _Optional[_Mapping[str, int]] = ..., coll_flush_ts: _Optional[_Mapping[str, int]] = ..., channel_cps: _Optional[_Mapping[str, _msg_pb2.MsgPosition]] = ...) -> None: ...
 
 class QueryRequest(_message.Message):
     __slots__ = ("base", "db_name", "collection_name", "expr", "output_fields", "partition_names", "travel_timestamp", "guarantee_timestamp", "query_params", "not_return_all_meta", "consistency_level", "use_default_consistency")
@@ -1897,6 +1906,28 @@ class AlterDatabaseRequest(_message.Message):
     properties: _containers.RepeatedCompositeFieldContainer[_common_pb2.KeyValuePair]
     def __init__(self, base: _Optional[_Union[_common_pb2.MsgBase, _Mapping]] = ..., db_name: _Optional[str] = ..., db_id: _Optional[str] = ..., properties: _Optional[_Iterable[_Union[_common_pb2.KeyValuePair, _Mapping]]] = ...) -> None: ...
 
+class DescribeDatabaseRequest(_message.Message):
+    __slots__ = ("base", "db_name")
+    BASE_FIELD_NUMBER: _ClassVar[int]
+    DB_NAME_FIELD_NUMBER: _ClassVar[int]
+    base: _common_pb2.MsgBase
+    db_name: str
+    def __init__(self, base: _Optional[_Union[_common_pb2.MsgBase, _Mapping]] = ..., db_name: _Optional[str] = ...) -> None: ...
+
+class DescribeDatabaseResponse(_message.Message):
+    __slots__ = ("status", "db_name", "dbID", "created_timestamp", "properties")
+    STATUS_FIELD_NUMBER: _ClassVar[int]
+    DB_NAME_FIELD_NUMBER: _ClassVar[int]
+    DBID_FIELD_NUMBER: _ClassVar[int]
+    CREATED_TIMESTAMP_FIELD_NUMBER: _ClassVar[int]
+    PROPERTIES_FIELD_NUMBER: _ClassVar[int]
+    status: _common_pb2.Status
+    db_name: str
+    dbID: int
+    created_timestamp: int
+    properties: _containers.RepeatedCompositeFieldContainer[_common_pb2.KeyValuePair]
+    def __init__(self, status: _Optional[_Union[_common_pb2.Status, _Mapping]] = ..., db_name: _Optional[str] = ..., dbID: _Optional[int] = ..., created_timestamp: _Optional[int] = ..., properties: _Optional[_Iterable[_Union[_common_pb2.KeyValuePair, _Mapping]]] = ...) -> None: ...
+
 class ReplicateMessageRequest(_message.Message):
     __slots__ = ("base", "channel_name", "BeginTs", "EndTs", "Msgs", "StartPositions", "EndPositions")
     BASE_FIELD_NUMBER: _ClassVar[int]

pymilvus/grpc_gen/milvus_pb2_grpc.py

@@ -436,6 +436,11 @@ def __init__(self, channel):
                 request_serializer=milvus__pb2.AlterDatabaseRequest.SerializeToString,
                 response_deserializer=common__pb2.Status.FromString,
                 )
+        self.DescribeDatabase = channel.unary_unary(
+                '/milvus.proto.milvus.MilvusService/DescribeDatabase',
+                request_serializer=milvus__pb2.DescribeDatabaseRequest.SerializeToString,
+                response_deserializer=milvus__pb2.DescribeDatabaseResponse.FromString,
+                )
         self.ReplicateMessage = channel.unary_unary(
                 '/milvus.proto.milvus.MilvusService/ReplicateMessage',
                 request_serializer=milvus__pb2.ReplicateMessageRequest.SerializeToString,
@@ -957,6 +962,12 @@ def AlterDatabase(self, request, context):
         context.set_details('Method not implemented!')
         raise NotImplementedError('Method not implemented!')
 
+    def DescribeDatabase(self, request, context):
+        """Missing associated documentation comment in .proto file."""
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
     def ReplicateMessage(self, request, context):
         """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
@@ -1386,6 +1397,11 @@ def add_MilvusServiceServicer_to_server(servicer, server):
                     request_deserializer=milvus__pb2.AlterDatabaseRequest.FromString,
                     response_serializer=common__pb2.Status.SerializeToString,
             ),
+            'DescribeDatabase': grpc.unary_unary_rpc_method_handler(
+                    servicer.DescribeDatabase,
+                    request_deserializer=milvus__pb2.DescribeDatabaseRequest.FromString,
+                    response_serializer=milvus__pb2.DescribeDatabaseResponse.SerializeToString,
+            ),
             'ReplicateMessage': grpc.unary_unary_rpc_method_handler(
                     servicer.ReplicateMessage,
                     request_deserializer=milvus__pb2.ReplicateMessageRequest.FromString,
@@ -2829,6 +2845,23 @@ def AlterDatabase(request,
             options, channel_credentials,
             insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
 
+    @staticmethod
+    def DescribeDatabase(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(request, target, '/milvus.proto.milvus.MilvusService/DescribeDatabase',
+            milvus__pb2.DescribeDatabaseRequest.SerializeToString,
+            milvus__pb2.DescribeDatabaseResponse.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
+
     @staticmethod
     def ReplicateMessage(request,
             target,

pymilvus/orm/db.py

@@ -44,3 +44,34 @@ def list_database(using: str = "default", timeout: Optional[float] = None) -> li
         List of database names, return when operation is successful
     """
     return _get_connection(using).list_database(timeout=timeout)
+
+
+def set_properties(
+    db_name: str,
+    properties: dict,
+    using: str = "default",
+    timeout: Optional[float] = None,
+):
+    """Alter a database using provided database name
+
+    :param db_name: Database name
+    :type  db_name: str
+
+    :param properties: Properties to be set
+    :type  properties: dict
+
+    """
+    _get_connection(using).alter_database(db_name, properties=properties, timeout=timeout)
+
+
+def describe_database(db_name: str, using: str = "default", timeout: Optional[float] = None):
+    """Describe a database using provided database name
+
+    :param db_name: Database name
+    :type  db_name: str
+
+    :return dict:
+        Database information, return when operation is successful
+
+    """
+    return _get_connection(using).describe_database(db_name, timeout=timeout)