dropCollectionProperties()

This operation resets the properties of a specified collection to their default values.

public Void dropCollectionProperties(DropCollectionPropertiesReq request)

Request Syntax

dropCollectionProperties(DropCollectionPropertiesReq.builder()
    .databaseName(String databaseName)
    .collectionName(String collectionName)
    .propertyKeys(List<String> propertyKeys)
    .build()
)

BUILDER METHODS:

• databaseName(String databaseName)

  The name of the database that holds the target collection.

• collectionName(String collectionName)

  The name of the target collection.

• propertyKeys(List<String> propertyKeys)

  The properties to reset to their default values. Possible properties are as follows:

  • collection.ttl.seconds -

    The time-to-live (TTL) of a collection in seconds.

  • mmap.enabled -

    Whether to enable mmap for the raw data and indexes of all fields in the collection.

RETURNS:

void

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.collection.request.DropCollectionPropertiesReq;

// 1. Set up a client
ConnectConfig connectConfig = ConnectConfig.builder()
        .uri("http://localhost:19530")
        .token("root:Milvus")
        .build();
        
MilvusClientV2 client = new MilvusClientV2(connectConfig);

// 2. Drop the `collection.ttl.seconds` property
List<String> propertyKeys = new ArrayList<>()
propertyKeys.add("collection.ttl.seconds")

DropCollectionPropertiesReq dropCollectionPropertiesReq = DropCollectionPropertiesReq.builder()
        .collectionName("test")
        .propertyKeys(propertyKeys)
        .build();
        
client.dropCollectionProperties(dropCollectionPropertiesReq)