通过Go SDK V2调用DeleteVectorIndex接口删除指定的向量索引。删除操作不可逆,请谨慎操作。
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 |
DeleteVectorIndex |
| 删除向量索引。 |
方法定义
func (c *VectorsClient) DeleteVectorIndex(ctx context.Context, request *DeleteVectorIndexRequest, optFns ...func(*oss.Options)) (*DeleteVectorIndexResult, error)
请求参数列表
参数名 | 类型 | 说明 |
ctx | context.Context | 请求上下文。 |
request | *DeleteVectorIndexRequest | 设置请求参数,具体请参见DeleteVectorIndexRequest |
optFns | ...func(*Options) | (可选)接口级的配置参数, 请参见Options |
返回值列表
参数名 | 类型 | 说明 |
result | *DeleteVectorIndexResult | 返回值,当 err 为nil 时有效,具体请参见DeleteVectorIndexResult |
err | error | 错误信息,如果操作成功则为nil |
示例代码
package main
import (
"context"
"flag"
"log"
"github.com/aliyun/alibabacloud-oss-go-sdk-v2/oss"
"github.com/aliyun/alibabacloud-oss-go-sdk-v2/oss/credentials"
"github.com/aliyun/alibabacloud-oss-go-sdk-v2/oss/vectors"
)
var (
region string
bucketName string
indexName string
accountId string
)
func init() {
flag.StringVar(®ion, "region", "", "The region in which the vector bucket is located.")
flag.StringVar(&bucketName, "bucket", "", "The name of the vector bucket.")
flag.StringVar(&indexName, "index", "", "The name of the vector index.")
flag.StringVar(&accountId, "account-id", "", "The id of vector account.")
}
func main() {
flag.Parse()
if len(bucketName) == 0 {
flag.PrintDefaults()
log.Fatalf("invalid parameters, bucket name required")
}
if len(region) == 0 {
flag.PrintDefaults()
log.Fatalf("invalid parameters, region required")
}
if len(indexName) == 0 {
flag.PrintDefaults()
log.Fatalf("invalid parameters, index required")
}
if len(accountId) == 0 {
flag.PrintDefaults()
log.Fatalf("invalid parameters, accountId required")
}
cfg := oss.LoadDefaultConfig().
WithCredentialsProvider(credentials.NewEnvironmentVariableCredentialsProvider()).
WithRegion(region).WithAccountId(accountId)
client := vectors.NewVectorsClient(cfg)
request := &vectors.DeleteVectorIndexRequest{
Bucket: oss.Ptr(bucketName),
IndexName: oss.Ptr(indexName),
}
result, err := client.DeleteVectorIndex(context.TODO(), request)
if err != nil {
log.Fatalf("failed to delete vector index %v", err)
}
log.Printf("delete vector index result:%#v\n", result)
}
相关文档
关于删除向量索引的完整示例代码,请参见delete_vector_index.go。
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