Querying the Data Source List
Function
This API is used to query the data source list.
Calling Method
For details, see Calling APIs.
URI
GET /v1/{project_id}/data-connections
|
Parameter |
Mandatory |
Type |
Description |
|---|---|---|---|
|
project_id |
Yes |
String |
Project ID. For details about how to obtain it, see Project ID and Account ID |
|
Parameter |
Mandatory |
Type |
Description |
|---|---|---|---|
|
name |
No |
String |
Data connection name. It can be obtained from the return result of Querying a Data Connection List. |
|
type |
No |
String |
Data connection type. It can be obtained from the return result of Querying a Data Connection List. |
|
service |
No |
String |
Component selected for data connection. The value can be Binary number, Data Integration (CDM), Data Architecture (DS), Data Development (DLF), Data Quality Control (DQC), Data Catalog (CATALOG), Data Security (DLS), or Data Lake Mall (DLM). |
|
limit |
No |
String |
Maximum number of data connections that can be queried each time. |
|
offset |
No |
String |
Page number of data connections queried each time. |
Request Parameters
|
Parameter |
Mandatory |
Type |
Description |
|---|---|---|---|
|
X-Auth-Token |
Yes |
String |
User token. This parameter is mandatory when token authentication is used. You can obtain it from the value of X-Subject-Token in the response message header returned by the "Obtaining a User Token" API of the IAM service. |
|
workspace |
Yes |
String |
Workspace ID. For details about how to obtain it, see Instance ID and Workspace ID. |
Response Parameters
Status code: 200
|
Parameter |
Type |
Description |
|---|---|---|
|
count |
Integer |
Number of data connections returned on the current page |
|
max_records |
Integer |
Total number of records returned. It is the maximum number of data connections that can be created in a workspace. |
|
total_size |
Integer |
Total number of returned records, that is, the maximum number of data connections that can be created in a workspace. |
|
data_connection_lists |
Array of ApigDataSourceView objects |
Returned data connection list |
|
Parameter |
Type |
Description |
|---|---|---|
|
dw_name |
String |
Data connection name |
|
dw_type |
String |
Data connection type |
|
create_user |
String |
Data connection creator |
|
create_time |
Number |
Data connection creation time, which is a timestamp |
|
agent_id |
String |
CDM cluster ID. For details about how to obtain it, see Querying the Cluster List. |
|
agent_name |
String |
Agent cluster name. For details about how to obtain it, see Querying the Cluster List |
|
dw_id |
String |
Data connection ID |
|
qualified_name |
String |
Qualified data connection name |
|
description |
String |
Data connection description |
Status code: 400
|
Parameter |
Type |
Description |
|---|---|---|
|
error_msg |
String |
Returned error information. |
|
error_code |
String |
Returned error code. |
Status code: 500
|
Parameter |
Type |
Description |
|---|---|---|
|
error_msg |
String |
Returned error information. |
|
error_code |
String |
Returned error code. |
Example Requests
None
Example Responses
Status code: 400
Bad request.
{
"error_code" : "DAYU.4402",
"error_msg" : "The operation failed, detail msg {0}."
}
Status code: 500
Internal server error.
{
"error_code" : "DAYU.3531",
"error_msg" : "Internal server error: {0}"
}
SDK Sample Code
The SDK sample code is as follows.
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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 ListDataconnectionsSolution { 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(); ListDataconnectionsRequest request = new ListDataconnectionsRequest(); try { ListDataconnectionsResponse response = client.listDataconnections(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 = ListDataconnectionsRequest() response = client.list_dataconnections(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.ListDataconnectionsRequest{} response, err := client.ListDataconnections(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } } |
For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.
Status Codes
|
Status Code |
Description |
|---|---|
|
200 |
The data connection list is returned. |
|
400 |
Bad request. |
|
500 |
Internal server error. |
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