本文介绍如何使用 OSS Java SDK V2 调用 DeleteVectors 接口按 key 删除指定向量索引(Index)中的向量数据。
权限说明
阿里云账号默认拥有全部权限。阿里云账号下的 RAM 用户或 RAM 角色默认没有任何权限,需要阿里云账号或账号管理员通过 RAM Policy 或 Bucket Policy 授予操作权限。
API | Action | 说明 |
DeleteVectors | oss:DeleteVectors | 删除向量数据(Vectors)。 |
示例代码
import com.aliyun.sdk.service.oss2.credentials.CredentialsProvider;
import com.aliyun.sdk.service.oss2.credentials.EnvironmentVariableCredentialsProvider;
import com.aliyun.sdk.service.oss2.vectors.OSSVectorsClient;
import com.aliyun.sdk.service.oss2.vectors.models.DeleteVectorsRequest;
import com.aliyun.sdk.service.oss2.vectors.models.DeleteVectorsResult;
import java.util.*;
public class DeleteVectorsSample {
public static void main(String[] args) throws Exception {
CredentialsProvider provider = new EnvironmentVariableCredentialsProvider();
try (OSSVectorsClient client = OSSVectorsClient.newBuilder()
.region("cn-hangzhou")
.accountId("1234567890")
.credentialsProvider(provider)
.build()) {
DeleteVectorsRequest request = DeleteVectorsRequest.newBuilder()
.bucket("examplebucket")
.indexName("exampleindex")
.keys(Arrays.asList("key1", "key2"))
.build();
DeleteVectorsResult result = client.deleteVectors(request);
System.out.printf("status code: %d, request id: %s%n", result.statusCode(), result.requestId());
}
}
}相关文档
同步示例代码,请参见 DeleteVectors.java。
异步示例代码,请参见 DeleteVectorsAsync.java。