获取schemas
功能介绍
获取schemas,目前只有DWS和采用postgresql驱动的RDS数据源支持schema,请在调用前确认该数据源是否支持schema字段。
调用方法
请参见如何调用API。
URI
GET /v2/{project_id}/{connection_id}/schemas
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
project_id |
是 |
String |
项目ID,获取方法请参见项目ID和账号ID。 |
connection_id |
是 |
String |
数据连接id,可通过数据连接列表中获取。 |
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
database_name |
是 |
String |
数据库名称。 |
limit |
否 |
String |
数据条数限制。 |
offset |
否 |
String |
偏移量。 |
请求参数
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
X-Auth-Token |
是 |
String |
用户Token,使用Token认证时必选。通过调用ManageOne平台的IAM服务的“获取用户Token”接口获取响应消息头中X-Subject-Token的值。 |
workspace |
是 |
String |
数据所在空间的id值。 |
响应参数
状态码: 200
参数 |
参数类型 |
描述 |
---|---|---|
total_count |
Integer |
当前数据连接schema记录数。 |
dw_id |
String |
数据连接id。 |
database |
String |
数据库名称。 |
schemas |
Array of SchemasList objects |
schema列表。 |
状态码: 400
参数 |
参数类型 |
描述 |
---|---|---|
error_msg |
String |
返回的错误信息。 |
error_code |
String |
返回的错误码。 |
状态码: 500
参数 |
参数类型 |
描述 |
---|---|---|
error_msg |
String |
返回的错误信息。 |
error_code |
String |
返回的错误码。 |
请求示例
无
响应示例
状态码: 200
Success,返回schemas列表。
{ "dw_id" : "9b18c0ad6ef5404caef4e6cbaccdae6f", "database" : "postgres", "schemas" : [ { "schema_name" : "dm_autotest", "description" : "" }, { "schema_name" : "dbadmin", "description" : "" }, { "schema_name" : "public", "description" : "gs_roach_stop_backup" }, { "schema_name" : "schame", "description" : "" }, { "schema_name" : "utl_file", "description" : "" }, { "schema_name" : "utl_raw", "description" : "" } ], "total_count" : 6 }
状态码: 400
{ "error_code" : "DAYU.4402", "error_msg" : "The operation failed, detail msg {0}." }
状态码: 500
{ "error_code" : "DAYU.3531", "error_msg" : "Internal server error: {0}" }
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.dataartsstudio.v1.region.DataArtsStudioRegion; import com.huaweicloud.sdk.dataartsstudio.v1.*; import com.huaweicloud.sdk.dataartsstudio.v1.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"); String projectId = "{project_id}"; ICredential auth = new BasicCredentials() .withProjectId(projectId) .withAk(ak) .withSk(sk); DataArtsStudioClient client = DataArtsStudioClient.newBuilder() .withCredential(auth) .withRegion(DataArtsStudioRegion.valueOf("<YOUR REGION>")) .build(); ListSchemasRequest request = new ListSchemasRequest(); request.withConnectionId("{connection_id}"); 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 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkdataartsstudio.v1.region.dataartsstudio_region import DataArtsStudioRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkdataartsstudio.v1 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 = DataArtsStudioClient.new_builder() \ .with_credentials(credentials) \ .with_region(DataArtsStudioRegion.value_of("<YOUR REGION>")) \ .build() try: request = ListSchemasRequest() request.connection_id = "{connection_id}" 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" dataartsstudio "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dataartsstudio/v1" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dataartsstudio/v1/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dataartsstudio/v1/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 := dataartsstudio.NewDataArtsStudioClient( dataartsstudio.DataArtsStudioClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.ListSchemasRequest{} request.ConnectionId = "{connection_id}" 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 |
Success,返回schemas列表。 |
400 |
BadRequest。 |
500 |
Internal Server Error。 |