AlterCollectionFunction()

This operation replaces the definition of an existing collection function identified by the function name in the provided Function object.

Status AlterCollectionFunction(const AlterCollectionFunctionRequest& request)

Request Syntax

auto request = AlterCollectionFunctionRequest()
    .WithCollectionName(collection_name)
    .WithFunction(function_ptr);

AlterCollectionFunctionRequest

REQUEST METHODS:

• WithCollectionName(const std::string& collection_name)

  Sets the collection whose function definition will be changed.

• WithDatabaseName(const std::string& db_name)

  Sets the database containing the target collection.

• WithFunction(const FunctionPtr& function)

  Supplies the updated function definition. Its name identifies which function to alter.

RETURNS:

Status

EXCEPTIONS:

• StatusCode

  Check status.Code() and status.Message() for missing function names, invalid function definitions, or unavailable collections.

Example

#include <milvus/MilvusClientV2.h>
auto client = milvus::MilvusClientV2::Create();
milvus::ConnectParam connect_param{"http://localhost:19530", "root:Milvus"};
auto status = client->Connect(connect_param);
if (!status.IsOk()) {
    std::cout << status.Message() << std::endl;
}

auto function = std::make_shared<milvus::Function>();
function->SetName("bm25_fn");

status = client->AlterCollectionFunction(
    milvus::AlterCollectionFunctionRequest()
        .WithCollectionName("docs")
        .WithFunction(function));
if (!status.IsOk()) {
    std::cout << status.Message() << std::endl;
}