get()
This operation gets specific entities by their IDs.
public GetResp get(GetReq request)
Request Syntax
get(GetReq.builder()
.collectionName(String collectionName)
.partitionName(String partitionName)
.ids(List<Object> ids)
.outputFields(List<String> outputFields)
.build()
)
BUILDER METHODS:
collectionName(String collectionName)
The name of an existing collection.
partitionName(String partitionName)
The name of a partition.
ids(List<Object> ids)
A specific entity ID or a list of entity IDs.
outputFields(List<String> outputFields)
A list of names of the fields to be included in the query result.
RETURN TYPE:
GetResp
RETURNS:
A GetResp object representing one or more queried entities.
PARAMETERS:
getResults (List
) A list of QueryResp.QueryResult objects.
fields (Map
) A map that contains key-value pairs of field names and their values.
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.vector.request.GetReq;
import io.milvus.v2.service.vector.response.GetResp;
// 1. Set up a client
ConnectConfig connectConfig = ConnectConfig.builder()
.uri("http://localhost:19530")
.token("root:Milvus")
.build();
MilvusClientV2 client = new MilvusClientV2(connectConfig);
// 2. Get entity with id 0
GetReq getReq = GetReq.builder()
.collectionName("test")
.ids(Collections.singletonList("0"))
.build();
GetResp getResp = client.get(getReq);