AlterCollectionProperties()
This operation alters collection properties.
Status AlterCollectionProperties(const AlterCollectionPropertiesRequest& request)
Request Syntax
auto request = AlterCollectionPropertiesRequest()
.WithDatabaseName(db_name)
.WithCollectionName(collection_name)
.WithProperties(properties);
REQUEST METHODS:
WithDatabaseName(const std::string& db_name)Sets the target database name. The default database applies if it is empty.
WithCollectionName(const std::string& collection_name)Sets the name of the collection.
WithProperties(std::unordered_map<std::string, std::string>&& properties)Sets the altered properties of this collection. For available properties, refer to Supported properties.
AddProperty(const std::string& key, const std::string& property)Sets one of the properties of this collection. For available properties, refer to Supported properties.
RETURNS:
Status
Check status.IsOk() to confirm success.
EXCEPTIONS:
StatusCode
Check
status.Code()andstatus.Message()for error details.
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;
}
status = client->AlterCollectionProperties(
milvus::AlterCollectionPropertiesRequest()
.WithDatabaseName(db_name)
.WithCollectionName(collection_name)
.AddProperty(milvus::COLLECTION_TTL_SECONDS, "20")
);
if (!status.IsOk()) {
std::cout << status.Message() << std::endl;
}