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describeCollection()

Addedv2.3.xModifiedv3.0.x

This operation lists detailed information about a specific collection.

public DescribeCollectionResp describeCollection(DescribeCollectionReq request)

Request Syntax​

describeCollection(DescribeCollectionReq.builder()
    .databaseName(String databaseName)
    .collectionName(String collectionName)
    .collectionId(Long collectionId)
    .build()
);

BUILDER METHODS:

  • databaseName(String databaseName) -

    The name of the database. Defaults to the current database if not specified.

  • collectionName(String collectionName) -

    The name of the target collection.

  • collectionId(Long collectionId) -

    The numeric ID of the collection. Use this when you need to identify a collection by ID instead of name.

RETURNS:

DescribeCollectionResp

A DescribeCollectionResp object that contains detailed information about the specified collection.

EXCEPTIONS:

  • MilvusClientException

    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.collection.request.DescribeCollectionReq;
import io.milvus.v2.service.collection.response.DescribeCollectionResp;

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

// 2. Get the collection detail
DescribeCollectionReq describeCollectionReq = DescribeCollectionReq.builder()
        .collectionName("test")
        .build();
DescribeCollectionResp describeCollectionResp = client.describeCollection(describeCollectionReq);