getPkField()

This operation gets the complete primary field schema of a collection. This is a convenient method that describes the collection and extracts the primary key field.

JavaScript

await milvusClient.getPkField(data: DescribeCollectionReq)

Request Syntax

JavaScript

getPkField({
    collection_name: string,
    timeout: number
})

PARAMETERS:

• collection_name (string) -

  [REQUIRED]

  The name of the collection.

• timeout (number) -

  RPC timeout in milliseconds. Optional.

RETURNS:

Promise<FieldSchema>

The complete field schema object for the primary key, including name, data type, field ID, and other properties.

Example

JavaScript

import { MilvusClient } from '@zilliz/milvus2-sdk-node';

const client = new MilvusClient({
    address: 'localhost:19530',
    token: 'root:Milvus',
});
const pkField = await client.getPkField({
    collection_name: 'my_collection',
});
console.log(pkField.name, pkField.data_type);