刪除Vectors(Java SDK V2)
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本文介紹如何使用 OSS Java SDK V2 調用 DeleteVectors 介面按 key 刪除指定向量索引(Index)中的向量資料。
許可權說明
阿里雲帳號預設擁有全部許可權。阿里雲帳號下的 RAM 使用者或 RAM 角色預設沒有任何許可權,需要阿里雲帳號或帳號管理員通過 RAM Policy 或 Bucket Policy 授予操作許可權。
API | Action | 說明 |
DeleteVectors | oss:DeleteVectors | 刪除向量資料(Vectors)。 |
範例程式碼
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());
}
}
}相關文檔
同步範例程式碼,請參見 DeleteVectors.java。
非同步範例程式碼,請參見 DeleteVectorsAsync.java。
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