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dropCollectionFieldProperties()

Addedv2.5.x

This operation drops the specified properties of a field.

public void dropCollectionFieldProperties(DropCollectionFieldPropertiesReq request)

Request Syntax​

dropCollectionFieldProperties(DropCollectionFieldPropertiesReq.builder()
    .collectionName(String collectionName)
    .databaseName(String databaseName)
    .fieldName(String fieldName)
    .propertyKeys(List<String> propertyKeys)
    .build()
)

BUILDER METHODS:

  • collectionName(String collectionName)

    The name of an existing collection.

  • databaseName(String databaseName)

    The name of a database that has the collection mentioned above.

  • fieldName(String fieldName)

    The name of the target field in the specified collection.

  • propertyKeys(List<String> propertyKeys)

    The names of the properties to drop from the specified field.

RETURN TYPE:

void

RETURNS:

None

Example​

import io.milvus.v2.client.ConnectConfig;
import io.milvus.v2.client.MilvusClientV2;
import io.milvus.v2.service.collection.request.DropCollectionFieldPropertiesReq;

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

// 2. Drop field's properties
client.dropCollectionFieldProperties(DropCollectionFieldPropertiesReq.builder()
        .collectionName(collectionName)
        .fieldName("fieldName")
        .propertyKeys(Collections.singletonList(Constant.MMAP_ENABLED))
        .build());