Exporting DDL Statements of Tables in a Model
Function
Exports DDL statements of a specified table based on the model ID.
Calling Method
For details, see Calling APIs.
URI
GET /v2/{project_id}/design/workspaces/{model_id}/export
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
project_id |
Yes |
String |
Project ID. For details about how to obtain the project ID, see Project ID and Account ID. |
model_id |
Yes |
String |
ID of the relational model, which is a string. The value of model_id can be obtained from the API used to obtain a model. |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
tb_names |
No |
Array of strings |
Name of the table to be exported. |
with_db |
No |
Boolean |
The exported DDL package does not contain the database name. |
Request Parameters
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
X-Auth-Token |
Yes |
String |
IAM token, which is obtained by calling the IAM API for obtaining a user token (value of X-Subject-Token in the response header). This field is mandatory for authentication using tokens. |
workspace |
Yes |
String |
Workspace ID. For details about how to obtain the workspace ID, see Instance ID and Workspace ID. |
X-Project-Id |
No |
String |
Project ID. For details about how to obtain the project ID, see Project ID and Account ID. This parameter is mandatory for API requests that use AK/SK authentication in multi-project scenarios. |
Content-Type |
No |
String |
Default value: application/json;charset=UTF-8 This parameter is optional. If the body is available, this parameter is mandatory. If the body is unavailable, you do not need to set this parameter or verify it. |
Response Parameters
Status code: 200
Parameter |
Type |
Description |
---|---|---|
data |
data object |
Returned data information. |
Parameter |
Type |
Description |
---|---|---|
value |
String |
DDL statement of the table exported from the API |
Status code: 400
Parameter |
Type |
Description |
---|---|---|
error_code |
String |
Error code, for example, DS.6000, indicating that the request fails to be processed. |
error_msg |
String |
Error message |
data |
Object |
Returned data information. |
Status code: 401
Parameter |
Type |
Description |
---|---|---|
error_code |
String |
Error code, for example, DS.6000, indicating that the request fails to be processed. |
error_msg |
String |
Error message |
data |
Object |
Returned data information. |
Status code: 403
Parameter |
Type |
Description |
---|---|---|
error_code |
String |
Error code, for example, DS.6000, indicating that the request fails to be processed. |
error_msg |
String |
Error message |
data |
Object |
Returned data information. |
Example Requests
Export the DDL of the class and trl_aSCb01c tables in the model whose ID is 1217123720355803136. The DDL contains the database name.
GET https://{endpoint}/v2/{project_id}/design/workspaces/1217123720355803136/export?with_db=true&tb_names=class&tb_names=trl_aSCb01c
Example Responses
Status code: 200
This operation succeeds, and the returned data is DDL text information.
{ "data" : { "value" : "CREATE TABLE IF NOT EXISTS ${database}.class (\n class_id BIGINT NOT NULL comment '1111',\n class_name VARCHAR(1024) NOT NULL comment '2222',\n teacher VARCHAR(255) comment '3333'\n,\nPRIMARY KEY(class_id)\n);\nALTER TABLE ${database}.pd_test COMMENT' None';\nCREATE TABLE IF NOT EXISTS ${database}.logic_{}$A_2 (\n id VARCHAR(255)\n);\nALTER TABLE ${database}.logic_{}$A_2 COMMENT 'aaa';" } }
Status code: 400
{ "error_code" : "DS.60xx", "error_msg" : "The user request is illegal." }
Status code: 401
{ "error_code" : "DS.60xx", "error_msg" : "User authentication failed." }
Status code: 403
{ "error_code" : "DS.60xx", "error_msg" : "The user does not have permission to call this API." }
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 ExportDesignModelTableDdlSolution { 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(); ExportDesignModelTableDdlRequest request = new ExportDesignModelTableDdlRequest(); request.withModelId("{model_id}"); try { ExportDesignModelTableDdlResponse response = client.exportDesignModelTableDdl(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 = ExportDesignModelTableDdlRequest() request.model_id = "{model_id}" response = client.export_design_model_table_ddl(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.ExportDesignModelTableDdlRequest{} request.ModelId = "{model_id}" response, err := client.ExportDesignModelTableDdl(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 |
This operation succeeds, and the returned data is DDL text information. |
400 |
BadRequest |
401 |
Unauthorized |
403 |
Forbidden |
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