更新时间:2024-01-25 GMT+08:00
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查询集群模式空间信息

功能介绍

该接口用于查询集群模式空间信息。

调用方法

请参见如何调用API

URI

GET /v2/{project_id}/clusters/{cluster_id}/databases/{database_name}/schemas
表1 路径参数

参数

是否必选

参数类型

描述

project_id

String

项目ID。获取方法,请参见获取项目ID

cluster_id

String

集群ID。获取方法,请参见获取集群ID

database_name

String

数据库名称。

表2 Query参数

参数

是否必选

参数类型

描述

sort_key

String

排序字段。

sort_dir

String

排序规则。

keywords

String

查询关键词。

limit

Integer

查询条数。

offset

Integer

偏移量。

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

schemas

Array of SchemaInfo objects

集群模式空间信息列表。

count

Integer

总数量。

表4 SchemaInfo

参数

参数类型

描述

schema_name

String

Schema名称。

database_name

String

数据库名称。

total_value

Integer

集群Schema使用空间总值。

perm_space

Integer

Schema空间阈值。

skew_percent

Double

倾斜率。

min_value

Integer

最小值。

max_value

Integer

最大值。

min_dn

String

最小dn节点。

max_dn

String

最大cn节点。

dn_num

Integer

dn节点数量。

请求示例

GET https://{Endpoint}/v2/89cd04f168b84af6be287f71730fdb4b/clusters/e59d6b86-9072-46eb-a996-13f8b44994c1/databases/gaussdb/schemas

响应示例

状态码: 200

查询集群模式空间信息列表成功。

{
  "schemas" : [ {
    "schema_name" : "gs_logical_cluster",
    "database_name" : "gaussdb",
    "total_value" : 0,
    "perm_space" : -1,
    "skew_percent" : 0.0,
    "min_value" : 0,
    "max_value" : 0,
    "min_dn" : "dn_6001_6002",
    "max_dn" : "",
    "dn_num" : 3
  } ],
  "count" : 2
}

SDK代码示例

SDK代码示例如下。

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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 ListSchemasSolution {

    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");

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

        DwsClient client = DwsClient.newBuilder()
                .withCredential(auth)
                .withRegion(DwsRegion.valueOf("<YOUR REGION>"))
                .build();
        ListSchemasRequest request = new ListSchemasRequest();
        request.withSortKey("<sort_key>");
        request.withSortDir("<sort_dir>");
        request.withKeywords("<keywords>");
        request.withLimit(<limit>);
        request.withOffset(<offset>);
        try {
            ListSchemasResponse response = client.listSchemas(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());
        }
    }
}
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# coding: utf-8

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.getenv("CLOUD_SDK_AK")
    sk = os.getenv("CLOUD_SDK_SK")

    credentials = BasicCredentials(ak, sk) \

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

    try:
        request = ListSchemasRequest()
        request.sort_key = "<sort_key>"
        request.sort_dir = "<sort_dir>"
        request.keywords = "<keywords>"
        request.limit = <limit>
        request.offset = <offset>
        response = client.list_schemas(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)
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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")

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

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

    request := &model.ListSchemasRequest{}
	sortKeyRequest:= "<sort_key>"
	request.SortKey = &sortKeyRequest
	sortDirRequest:= "<sort_dir>"
	request.SortDir = &sortDirRequest
	keywordsRequest:= "<keywords>"
	request.Keywords = &keywordsRequest
	limitRequest:= int32(<limit>)
	request.Limit = &limitRequest
	offsetRequest:= int32(<offset>)
	request.Offset = &offsetRequest
	response, err := client.ListSchemas(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

查询集群模式空间信息列表成功。

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。

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