更新时间:2024-04-18 GMT+08:00
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
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
project_id |
是 |
String |
项目ID。获取方法,请参见获取项目ID。 |
cluster_id |
是 |
String |
集群ID。获取方法,请参见获取集群ID。 |
database_name |
是 |
String |
数据库名称。 |
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
sort_key |
否 |
String |
排序字段。 |
sort_dir |
否 |
String |
排序规则。 |
keywords |
否 |
String |
查询关键词。 |
limit |
否 |
Integer |
查询条数。 |
offset |
否 |
Integer |
偏移量。 |
请求参数
无
响应参数
状态码: 200
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。 |
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。 |