文档首页/ 数据仓库服务 DWS/ API参考/ API说明/ 节点变更/ 获取待重分布表所属模式信息
更新时间:2025-07-23 GMT+08:00
分享

获取待重分布表所属模式信息

功能介绍

获取待重分布表所属模式信息。

调用方法

请参见如何调用API

URI

GET /v2/{project_id}/clusters/{cluster_id}/redistribution/schemas

表1 路径参数

参数

是否必选

参数类型

描述

project_id

String

参数解释

项目ID。获取方法请参见获取项目ID

约束限制

不涉及。

取值范围

不涉及。

默认取值

不涉及。

cluster_id

String

参数解释

集群ID。获取方法请参见获取集群ID

约束限制

不涉及。

取值范围

不涉及。

默认取值

不涉及。

表2 Query参数

参数

是否必选

参数类型

描述

db_name

String

参数解释

分页偏移量。

约束限制

不涉及。

取值范围

^[a-zA-Z0-9\u4e00-\u9fa5_.+= :@!#-]{0,255}$

默认取值

null

limit

Integer

参数解释

分页条数。

约束限制

不涉及。

取值范围

有效值:大于等于1。

默认取值

10

offset

Integer

参数解释

分页偏移量,从0开始,页数减1。

约束限制

不涉及。

取值范围

有效值:大于等于0。

默认取值

0

schema_name

String

参数解释

schema名称。

约束限制

不涉及。

取值范围

^[a-zA-Z0-9\u4e00-\u9fa5_.+= ,:@!#-]{0,2048}$

默认取值

null

请求参数

响应参数

状态码:200

表3 响应Body参数

参数

参数类型

描述

error_code

String

参数解释

错误码。

取值范围

请求正常时为固定值 DWS.0000。

error_msg

String

参数解释

错误信息。

取值范围

不涉及。

schemas

Array of RedisSchema objects

参数解释

待重分布的schema列表。

取值范围

不涉及。

count

Integer

参数解释

数据总条数。

取值范围

不涉及。

表4 RedisSchema

参数

参数类型

描述

schema_name

String

参数解释

schema名称。

取值范围

不涉及。

redis_order

Integer

参数解释

优先级序号。

取值范围

大于0的整数

请求示例

获取gaussdb数据库下待重分布表所属模式信息。

GET https://{Endpoint}/v2/0536cdee2200d5912f7cc00b877980f1/clusters/bcdfb00c-a5e3-4896-83c7-3c397ed99f28/redistribution/schemas?limit=10&offset=0&db_name=gaussdb

响应示例

状态码:200

操作成功。

{
  "error_code" : "DWS.0000",
  "error_msg" : "请求处理成功!",
  "schemas" : [ {
    "schema_name" : "scheduler",
    "redis_order" : 1024
  } ],
  "count" : 1
}

SDK代码示例

SDK代码示例如下。

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
package com.huaweicloud.sdk.test;

import com.huaweicloud.sdk.core.auth.ICredential;
import com.huaweicloud.sdk.core.auth.BasicCredentials;
import com.huaweicloud.sdk.core.exception.ConnectionException;
import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
import com.huaweicloud.sdk.core.exception.ServiceResponseException;
import com.huaweicloud.sdk.dws.v2.region.DwsRegion;
import com.huaweicloud.sdk.dws.v2.*;
import com.huaweicloud.sdk.dws.v2.model.*;


public class ListRedistributionSchemaSolution {

    public static void main(String[] args) {
        // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
        // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
        String ak = System.getenv("CLOUD_SDK_AK");
        String sk = System.getenv("CLOUD_SDK_SK");
        String projectId = "{project_id}";

        ICredential auth = new BasicCredentials()
                .withProjectId(projectId)
                .withAk(ak)
                .withSk(sk);

        DwsClient client = DwsClient.newBuilder()
                .withCredential(auth)
                .withRegion(DwsRegion.valueOf("<YOUR REGION>"))
                .build();
        ListRedistributionSchemaRequest request = new ListRedistributionSchemaRequest();
        request.withClusterId("{cluster_id}");
        try {
            ListRedistributionSchemaResponse response = client.listRedistributionSchema(request);
            System.out.println(response.toString());
        } catch (ConnectionException e) {
            e.printStackTrace();
        } catch (RequestTimeoutException e) {
            e.printStackTrace();
        } catch (ServiceResponseException e) {
            e.printStackTrace();
            System.out.println(e.getHttpStatusCode());
            System.out.println(e.getRequestId());
            System.out.println(e.getErrorCode());
            System.out.println(e.getErrorMsg());
        }
    }
}
 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkdws.v2.region.dws_region import DwsRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkdws.v2 import *

if __name__ == "__main__":
    # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak = os.environ["CLOUD_SDK_AK"]
    sk = os.environ["CLOUD_SDK_SK"]
    projectId = "{project_id}"

    credentials = BasicCredentials(ak, sk, projectId)

    client = DwsClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(DwsRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = ListRedistributionSchemaRequest()
        request.cluster_id = "{cluster_id}"
        response = client.list_redistribution_schema(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)
 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    dws "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dws/v2"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dws/v2/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dws/v2/region"
)

func main() {
    // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak := os.Getenv("CLOUD_SDK_AK")
    sk := os.Getenv("CLOUD_SDK_SK")
    projectId := "{project_id}"

    auth := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        WithProjectId(projectId).
        Build()

    client := dws.NewDwsClient(
        dws.DwsClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.ListRedistributionSchemaRequest{}
	request.ClusterId = "{cluster_id}"
	response, err := client.ListRedistributionSchema(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

更多编程语言的SDK代码示例,请参见API Explorer的代码示例页签,可生成自动对应的SDK代码示例。

状态码

状态码

描述

200

操作成功。

400

请求错误。

401

鉴权失败。

403

没有操作权限。

404

找不到资源。

500

服务内部错误。

503

服务不可用。

相关文档