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hasPartition()

Addedv2.3.xModifiedv2.6.x

This operation checks whether the specified partition exists in the specified collection.

public Boolean hasPartition(HasPartitionReq request)

Request Syntax​

hasPartition(HasPartitionReq.builder()
    .databaseName(String databaseName)
    .collectionName(String collectionName)
    .partitionName(String partitionName)
    .build()
)

BUILDER METHODS:

  • databaseName(String databaseName)

    The name of the database to which the target collection belongs.

  • collectionName(String collectionName)

    The name of an existing collection.

  • partitionName(String partitionName)

    The name of the partition to check.

RETURN TYPE:

Boolean

RETURNS:

A boolean value indicating whether the specified partition exists.

EXCEPTIONS:

  • MilvusClientExceptions

    This exception will be raised when any error occurs during this operation.

Example​

import io.milvus.v2.client.ConnectConfig;
import io.milvus.v2.client.MilvusClientV2;
import io.milvus.v2.service.partition.request.HasPartitionReq;

// 1. Set up a client
ConnectConfig connectConfig = ConnectConfig.builder()
        .uri("YOUR_CLUSTER_ENDPOINT")
        .token("YOUR_CLUSTER_TOKEN")
        .build();
        
MilvusClientV2 client = new MilvusClientV2(connectConfig);

// 2. Check is partition "test_partition" exists in collection
HasPartitionReq hasPartitionReq = HasPartitionReq.builder()
        .collectionName("test")
        .partitionName("test_partition")
        .build();
Boolean res = client.hasPartition(hasPartitionReq);