dropIndex()
This operation drops an index from a specific collection.
public void dropIndex(DropIndexReq request)
Request Syntax
dropIndex(DropIndexReq.builder()
    .collectionName(String collectionName)
    .fieldName(String fieldName)
    .indexName(String indexName)
    .build()
)
BUILDER METHODS:
- collectionName(String collectionName)- The name of an existing collection. 
- fieldName(String fieldName)- The name of the field on which the index is created. 
- indexName(String indexName)- The name of the index to drop. 
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.index.request.DropIndexReq;
// 1. Set up a client
ConnectConfig connectConfig = ConnectConfig.builder()
        .uri("http://localhost:19530")
        .token("root:Milvus")
        .build();
        
MilvusClientV2 client = new MilvusClientV2(connectConfig);
// 2. Drop index for the field "vector"
DropIndexReq dropIndexReq = DropIndexReq.builder()
        .collectionName("test")
        .fieldName("vector")
        .build();
client.dropIndex(dropIndexReq);