dropPartition()

MilvusClient interface. This method drops a partition. Note that this method drops all data in this partition and the default partition cannot be dropped.

R<RpcStatus> dropPartition(DropPartitionParam requestParam);

DropPartitionParam

Use the DropPartitionParam.Builder to construct a DropPartitionParam object.

import io.milvus.param.DropPartitionParam;
DropPartitionParam.Builder builder = DropPartitionParam.newBuilder();

Methods of DropPartitionParam.Builder:

Method	Description	Parameters
withCollectionName(String collectionName)	Set the collection name. Collection name cannot be empty or null.	collectionName: The target collection name.
withDatabaseName(String databaseName)	Sets the database name. database name can be null for default database.	databaseName: The database name.
withPartitionName(String partitionName)	Set the partition name. Partition name cannot be empty or null.	partitionName: The target partition name.
build()	Construct a DropPartitionParam object.	N/A

The DropPartitionParam.Builder.build() can throw the following exceptions:

• ParamException: error if the parameter is invalid.

Returns

This method catches all the exceptions and returns an R<RpcStatus> object.

• If the API fails on the server side, it returns the error code and message from the server.

• If the API fails by RPC exception, it returns R.Status.Unknown and error message of the exception.

• If the API succeeds, it returns R.Status.Success.

Example

import io.milvus.param.*;

DropPartitionParam param = DropPartitionParam.newBuilder()
        .withCollectionName(COLLECTION_NAME)
        .withPartitionName(PARTITION_NAME)
        .build();
R<RpcStatus> response = client.dropPartition(param);
if (response.getStatus() != R.Status.Success.getCode()) {
    System.out.println(response.getMessage());
}