HasPartition()

This operation checks whether a partition exists.

Status HasPartition(const HasPartitionRequest& request, HasPartitionResponse& response)

Request Syntax

auto request = HasPartitionRequest()
    .WithDatabaseName(db_name)
    .WithCollectionName(collection_name)
    .WithPartitionName(partition_name);

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.

• WithPartitionName(const std::string& partition_name)

  Sets the name of the partition.

RETURNS:

Status with HasPartitionResponse

Check status.IsOk() to confirm success.

EXCEPTIONS:

• StatusCode

  Check status.Code() and status.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;
}

milvus::HasPartitionResponse response;
status = client->HasPartition(
    milvus::HasPartitionRequest()
        .WithCollectionName("my_collection")
        .WithPartitionName("my_partition"),
    response);
if (!status.IsOk()) {
    std::cout << status.Message() << std::endl;
}
std::cout << "Partition exists: " << response.HasPartition() << std::endl;