Obtaining an Asset Lineage (Invitational Test)

Function

This API is used to obtain an asset lineage. It is in invitational test and will be available for OBT in the future.

Calling Method

For details, see Calling APIs.

Authorization Information

Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions.

If you are using role/policy-based authorization, see Permissions Policies and Supported Actions for details on the required permissions.
If you are using identity policy-based authorization, no identity policy-based permission required for calling this API.

URI

GET /v2/{project_id}/datamap/lineage/guid/{guid}

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID. For details about how to obtain it, see Project ID and Account ID.
guid	Yes	String	Asset GUID. For details about how to obtain the asset GUID, see Data Asset GUID.

**Table 2** Query Parameters
Parameter	Mandatory	Type	Description
direction	No	String	Lineage query direction. Enumerated values include IN, OUT, and BOTH. The default value is BOTH.
relationship_types	No	Array of strings	Relationship types. Use the default value (null) for lineage query. Enumerated values: Table API Application ProcessArchitecture BusinessAttribute DataStandard Column Metric Source ColumnFamily Schema LogicEntity Connection Namespace Database
relationship_type_categories	No	Array of strings	Relationship types. This parameter is left empty by default. The value is DATA_FLOW for lineage query. The enumerated values are as follows: PARENT_CHILD: parent-child relationship LOGICAL_PHYSICAL: logical-physical relationship PK_FK: primary and foreign key relationship DATA_FLOW: data flow relationship INSTANCE_OF: inclusion relationship JOIN: join relationship IS_A: is-a relationship UP_DOWN: up-down relationship ASSOCIATION: association relationship WORK_FLOW: workflow
related_entity_types	No	Array of strings	Associated entity type, which is the type of the upstream and downstream assets. Use the default value (null) for lineage query. Enumerated values: Table API Application ProcessArchitecture BusinessAttribute DataStandard Column Metric Source ColumnFamily Schema LogicEntity Connection Namespace Database
extend_process_data_flow	No	Boolean	Whether to extend data. Use the default value false for lineage query.
include_parent_entity	No	Boolean	Whether to include parent entities. The default value is false.

Request Parameters

**Table 3** Request header 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.
instance	Yes	String	Instance ID. For details about how to obtain the instance ID, see Instance ID and Workspace ID.

Response Parameters

Status code: 200

**Table 4** Response body parameters
Parameter	Type	Description
total	Number	Total number of hit records.
relationships	Array of Lineage objects	Relationship list
relationship_types	Object	Relationship type.
entities	Array of Entity objects	Asset information.
entity_types	Object	Entity type.

**Table 5** Lineage
Parameter	Type	Description
relation_type_name	String	Relationship type. The value can be PARENT_CHILD, LOGICAL_PHYSICAL, PK_FK, DATA_FLOW, INSTANCE_OF, JOIN, IS_A, UP_DOWN, ASSOCIATION, or WORK_FLOW.
direction	String	Lineage flow direction. Enumerated values: IN: upstream lineage OUT: downstream lineage BOTH: upstream and downstream lineages
ep1_id	String	Asset GUID of node 1.
ep1_type_name	String	Asset type of node 1.
ep2_id	String	Asset GUID of node 2.
ep2_type_name	String	Asset type of node 2.
end1	Entity object	Asset of node 1.
end2	Entity object	Asset of node 2.
propagate_tag	String	Relationship type. Enumerated values: NONE: no relationship ONE_TO_TWO: one-to-many TWO_TO_ONE: many-to-one BOTH: all relationships
guid	String	Asset GUID.
type_name	String	Asset type name.
type_display_name	String	Type display name.
display_text	String	Display name.
attributes	Object	Asset attribute. It is a map structure and consists of a key (attribute name) and a value.
updated_attributes	Array of strings	List of modified attributes.
project_id	String	Project ID
domain_id	String	Main account ID.
instance_id	Array of strings	Instance ID.
workspace_id	Array of strings	Space ID list.
status	String	Status
created_by	String	Creator
updated_by	String	User who makes a modification.
create_time	String	Creation time.
update_time	String	Modification time.

**Table 6** Entity
Parameter	Type	Description
version	Number	Data version.
relationship_attributes	Object	Association relationship attribute. The data type is Map<String, Object>. The options are as follows: key: relationship type; value: association relationship object.
super_type_names	Array of strings	Parent asset type.
business_attributes	Object	Service attribute. The data type is Map<String, Map<String, Object>>. The options are as follows: key: service relationship type; value: service relationship.
multi_attributes	Object	Multi-value object data structure that bears security levels and tags. The data structure is Map<String, List<Map<String, Object>>>. key indicates the comprehensive relationship type, and value indicates the comprehensive relationship.
privilege_info	EntityPrivilegeInfo object	Entity privilege information.
extended_attributes	Object	Extended attribute. The data structure is Map<String, Object>. The key field indicates the extended attribute, and the value field indicates the extended attribute value.
guid	String	Asset GUID.
type_name	String	Asset type name.
type_display_name	String	Type display name.
display_text	String	Display name.
attributes	Object	Asset attribute, which is a Map<String, Object>. The key is an attribute, and value is the attribute value.
updated_attributes	Array of strings	List of modified attributes.
project_id	String	Project ID
domain_id	String	Main account ID.
instance_id	Array of strings	Instantiation ID.
workspace_id	Array of strings	Workspace IDs
status	String	Status
created_by	String	Creator
updated_by	String	User who makes a modification.
create_time	String	Creation time.
update_time	String	Modification time.

**Table 7** EntityPrivilegeInfo
Parameter	Type	Description
privileges	Array of strings	Privilege list.
inherit_privileges	Array of strings	List of inherited privileges.

Status code: 400

**Table 8** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error description.

Status code: 401

**Table 9** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error description.

Status code: 403

**Table 10** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error description.

Status code: 404

**Table 11** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error description.

Status code: 500

**Table 12** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error description.

Example Requests

None

Example Responses

Status code: 200

OK.

{
  "total" : 1,
  "relationships" : [ {
    "guid" : "62c8a705-abeb-4d25-b974-854a6b97343c",
    "status" : "ACTIVE",
    "direction" : "IN",
    "type_name" : "dataasset.tables_schema",
    "type_display_name" : "Data table: mode",
    "project_id" : "0833a5737480d53b2f25c010dc1a7b88",
    "instance_id" : [ "dd97167b873d4a79b2aad54d4370a3bc" ],
    "workspace_id" : [ "ae559f076ac14061921b6c6c331576c4", "8f91082a19474825b2fee2147e9b464c", "1b59d3c777ad4d619b89eeac4f3cce87" ],
    "created_by" : "username",
    "updated_by" : "username",
    "create_time" : "2024-01-03T09:11:42.871+00:00",
    "update_time" : "2024-01-04T11:52:36.454+00:00",
    "relation_type_name" : "PARENT_CHILD",
    "ep1_id" : "0c0f000e-d7b2-4aab-956c-cdc8b07083c6",
    "ep2_id" : "6a1510a9-f40c-477f-ae3a-638e592b6504",
    "ep1_type_name" : "dws.Table",
    "ep2_type_name" : "dws.Schema",
    "propagate_tag" : "NONE"
  }, {
    "guid" : "64d40028-10b9-41ed-811e-9c32689983eb",
    "status" : "ACTIVE",
    "direction" : "IN",
    "type_name" : "dataasset.tables_database",
    "type_display_name" : "Data table: database",
    "project_id" : "0833a5737480d53b2f25c010dc1a7b88",
    "instance_id" : [ "dd97167b873d4a79b2aad54d4370a3bc" ],
    "workspace_id" : [ "ae559f076ac14061921b6c6c331576c4", "8f91082a19474825b2fee2147e9b464c", "1b59d3c777ad4d619b89eeac4f3cce87" ],
    "created_by" : "username",
    "updated_by" : "username",
    "create_time" : "2024-01-03T09:11:42.872+00:00",
    "update_time" : "2024-01-04T11:52:36.454+00:00",
    "relation_type_name" : "PARENT_CHILD",
    "ep1_id" : "0c0f000e-d7b2-4aab-956c-cdc8b07083c6",
    "ep2_id" : "e10623fb-dbfc-4f43-bccc-33c68fb4c774",
    "ep1_type_name" : "dws.Table",
    "ep2_type_name" : "dws.Database",
    "propagate_tag" : "NONE"
  }, {
    "guid" : "cfdd16e6-3827-4572-8b16-d200bb5fcc79",
    "attributes" : {
      "__index" : 1,
      "__key" : null
    },
    "status" : "ACTIVE",
    "direction" : "OUT",
    "type_name" : "process.node_job",
    "type_display_name" : "Job: node",
    "project_id" : "0833a5737480d53b2f25c010dc1a7b88",
    "instance_id" : [ "dd97167b873d4a79b2aad54d4370a3bc" ],
    "workspace_id" : [ "1b59d3c777ad4d619b89eeac4f3cce87" ],
    "created_by" : "username",
    "updated_by" : "username",
    "create_time" : "2024-01-03T10:17:24.696+00:00",
    "update_time" : "2024-01-03T10:17:24.696+00:00",
    "relation_type_name" : "PARENT_CHILD",
    "ep1_id" : "71e0b8d8-abc8-4cf0-94ba-e8e0e04c9b5a",
    "ep2_id" : "806e2242-a579-4340-aed0-7c8f35ec52fa",
    "ep1_type_name" : "dlf.Job",
    "ep2_type_name" : "dlf.dws_sql",
    "propagate_tag" : "NONE"
  }, {
    "guid" : "8ab58411-db50-477f-b0e8-3faacefb3216",
    "attributes" : {
      "__index" : 0,
      "__key" : null
    },
    "status" : "ACTIVE",
    "direction" : "OUT",
    "type_name" : "base.process_dataset_outputs",
    "type_display_name" : "Output",
    "project_id" : "0833a5737480d53b2f25c010dc1a7b88",
    "instance_id" : [ "dd97167b873d4a79b2aad54d4370a3bc" ],
    "workspace_id" : [ "1b59d3c777ad4d619b89eeac4f3cce87" ],
    "created_by" : "username",
    "updated_by" : "username",
    "create_time" : "2024-01-03T10:17:34.823+00:00",
    "update_time" : "2024-01-03T10:17:34.823+00:00",
    "relation_type_name" : "DATA_FLOW",
    "ep1_id" : "806e2242-a579-4340-aed0-7c8f35ec52fa",
    "ep2_id" : "0c0f000e-d7b2-4aab-956c-cdc8b07083c6",
    "ep1_type_name" : "dlf.dws_sql",
    "ep2_type_name" : "dws.Table",
    "propagate_tag" : "NONE"
  } ],
  "relationship_types" : null,
  "entities" : [ {
    "guid" : "71e0b8d8-abc8-4cf0-94ba-e8e0e04c9b5a",
    "attributes" : {
      "owner" : "username",
      "path" : "",
      "catalogId" : "catalog@cn-north-7",
      "scheduleType" : "REAL_TIME",
      "createTime" : "2024-01-03T10:17:17.924+00:00",
      "qualifiedName" : "19424819@dlf_job.0833a5737480d53b2f25c010dc1a7b88-workspace-1b59d3c777ad4d619b89eeac4f3cce87",
      "name" : "job_6757",
      "description" : "BATCH",
      "id" : 19424819,
      "priority" : 0,
      "cronExp" : "",
      "baseType" : "Job"
    },
    "status" : "ACTIVE",
    "version" : 5,
    "type_name" : "dlf.Job",
    "type_display_name" : "Jobs",
    "project_id" : "0833a5737480d53b2f25c010dc1a7b88",
    "domain_id" : "0833a5736980d53b0f22c0102ffcbfc0",
    "instance_id" : [ "dd97167b873d4a79b2aad54d4370a3bc" ],
    "workspace_id" : [ "1b59d3c777ad4d619b89eeac4f3cce87" ],
    "created_by" : "username",
    "updated_by" : "username",
    "create_time" : "2024-01-03T10:12:07.391+00:00",
    "update_time" : "2024-01-03T10:17:24.696+00:00",
    "super_type_names" : [ "base.Process", "base.Asset", "process.Job" ],
    "business_attributes" : {
      "businessName" : {
        "confidence" : 1,
        "name" : "job_6757",
        "confirmed" : true
      }
    },
    "multi_attributes" : {
      "tags" : [ ]
    },
    "extended_attributes" : { },
    "display_text" : "job_6757"
  }, {
    "guid" : "0c0f000e-d7b2-4aab-956c-cdc8b07083c6",
    "attributes" : {
      "sourceId" : "dws@94a1ad37-1bde-4919-8e93-712577a9c3b2",
      "description" : "",
      "ddlCreateTime" : 1691478978133,
      "dataConnectionId" : [ "3653cce08ed7433bad507a30d86f2f2c" ],
      "totalFrequency" : 0,
      "baseType" : "Table",
      "tableType" : "BASE TABLE",
      "partitionCount" : 0,
      "path" : "/wk/public",
      "hasRules" : false,
      "catalogId" : "catalog@cn-north-7",
      "writeFrequency" : 0,
      "schemaQName" : "wk.public@dws.94a1ad37-1bde-4919-8e93-712577a9c3b2",
      "isPartition" : false,
      "tableSize" : 0,
      "releaseStatus" : "",
      "alias" : "",
      "hasTriggers" : false,
      "dataUpdateTime" : 0,
      "publishStatus" : "",
      "owner" : "dbadmin",
      "orientation" : "ROW",
      "lastAccessTime" : 0,
      "qualifiedName" : "wk.public.wk_02@dws.94a1ad37-1bde-4919-8e93-712577a9c3b2",
      "qualityScoreOverall" : 0,
      "readFrequency" : 0,
      "partitionType" : "",
      "sourceType" : "dws",
      "rowCounts" : 0,
      "name" : "wk_02",
      "databaseQName" : "wk@dws.94a1ad37-1bde-4919-8e93-712577a9c3b2",
      "location" : "",
      "comment" : "",
      "partitionKeyCount" : 0,
      "sourceName" : "dws_nossl_4autotest_nomodify",
      "hasIndexes" : false,
      "ddlUpdateTime" : 1691478978133
    },
    "status" : "ACTIVE",
    "version" : 2,
    "type_name" : "dws.Table",
    "type_display_name" : "Data table",
    "project_id" : "0833a5737480d53b2f25c010dc1a7b88",
    "domain_id" : "0833a5736980d53b0f22c0102ffcbfc0",
    "instance_id" : [ "dd97167b873d4a79b2aad54d4370a3bc" ],
    "workspace_id" : [ "ae559f076ac14061921b6c6c331576c4", "1b59d3c777ad4d619b89eeac4f3cce87" ],
    "created_by" : "username",
    "updated_by" : "username",
    "create_time" : "2024-01-03T09:11:42.871+00:00",
    "update_time" : "2024-01-04T11:52:36.454+00:00",
    "super_type_names" : [ "base.DataAsset", "dataasset.Table", "base.DataSet", "base.Asset" ],
    "business_attributes" : {
      "businessName" : {
        "confidence" : 1,
        "name" : "wk_02",
        "confirmed" : true
      }
    },
    "multi_attributes" : {
      "classifications" : [ ],
      "tags" : [ ]
    },
    "extended_attributes" : { },
    "display_text" : "wk_02"
  }, {
    "guid" : "6a1510a9-f40c-477f-ae3a-638e592b6504",
    "attributes" : {
      "sourceId" : "dws@94a1ad37-1bde-4919-8e93-712577a9c3b2",
      "owner" : "Ruby",
      "path" : "/wk",
      "catalogId" : "catalog@cn-north-7",
      "sourceType" : "dws",
      "qualifiedName" : "wk.public@dws.94a1ad37-1bde-4919-8e93-712577a9c3b2",
      "name" : "public",
      "databaseQName" : "wk@dws.94a1ad37-1bde-4919-8e93-712577a9c3b2",
      "description" : "gs_roach_stop_backup",
      "sourceName" : "dws_nossl_4autotest_nomodify",
      "dataConnectionId" : [ "3653cce08ed7433bad507a30d86f2f2c" ],
      "baseType" : "Schema"
    },
    "status" : "ACTIVE",
    "version" : 3,
    "type_name" : "dws.Schema",
    "type_display_name" : "Mode",
    "project_id" : "0833a5737480d53b2f25c010dc1a7b88",
    "domain_id" : "0833a5736980d53b0f22c0102ffcbfc0",
    "instance_id" : [ "dd97167b873d4a79b2aad54d4370a3bc" ],
    "workspace_id" : [ "8f91082a19474825b2fee2147e9b464c", "ae559f076ac14061921b6c6c331576c4", "1b59d3c777ad4d619b89eeac4f3cce87" ],
    "created_by" : "username",
    "updated_by" : "username",
    "create_time" : "2024-01-02T08:43:44.775+00:00",
    "update_time" : "2024-01-04T11:52:26.054+00:00",
    "super_type_names" : [ "base.DataAsset", "dataasset.Schema", "base.Asset" ],
    "business_attributes" : {
      "businessName" : {
        "confidence" : 1,
        "name" : "public",
        "confirmed" : true
      }
    },
    "multi_attributes" : {
      "tags" : [ ]
    },
    "extended_attributes" : { },
    "display_text" : "public"
  }, {
    "guid" : "e10623fb-dbfc-4f43-bccc-33c68fb4c774",
    "attributes" : {
      "sourceId" : "dws@94a1ad37-1bde-4919-8e93-712577a9c3b2",
      "owner" : "dbadmin",
      "qualifiedName" : "wk@dws.94a1ad37-1bde-4919-8e93-712577a9c3b2",
      "description" : "",
      "encoding" : "SQL_ASCII",
      "dataConnectionId" : [ "3653cce08ed7433bad507a30d86f2f2c" ],
      "baseType" : "Database",
      "path" : "/",
      "catalogId" : "catalog@cn-north-7",
      "sourceType" : "dws",
      "isTemplate" : false,
      "name" : "wk",
      "comment" : "",
      "sourceName" : "dws_nossl_4autotest_nomodify"
    },
    "status" : "ACTIVE",
    "version" : 3,
    "type_name" : "dws.Database",
    "type_display_name" : "Database",
    "project_id" : "0833a5737480d53b2f25c010dc1a7b88",
    "domain_id" : "0833a5736980d53b0f22c0102ffcbfc0",
    "instance_id" : [ "dd97167b873d4a79b2aad54d4370a3bc" ],
    "workspace_id" : [ "8f91082a19474825b2fee2147e9b464c", "ae559f076ac14061921b6c6c331576c4", "1b59d3c777ad4d619b89eeac4f3cce87" ],
    "created_by" : "username",
    "updated_by" : "username",
    "create_time" : "2024-01-02T08:43:44.726+00:00",
    "update_time" : "2024-01-04T11:52:25.995+00:00",
    "super_type_names" : [ "base.DataAsset", "base.Asset", "dataasset.Database" ],
    "business_attributes" : {
      "businessName" : {
        "confidence" : 1,
        "name" : "wk",
        "confirmed" : true
      }
    },
    "multi_attributes" : {
      "tags" : [ ]
    },
    "extended_attributes" : { },
    "display_text" : "wk"
  }, {
    "guid" : "806e2242-a579-4340-aed0-7c8f35ec52fa",
    "attributes" : {
      "owner" : "username",
      "scriptPath" : "8abfdb5a8cce4a43018cced3039200c2",
      "statementOrScript" : "SCRIPT",
      "qualifiedName" : "19424819.e2b86e34-3223-4332-ac24-c61f9af72e22@dlf_job.0833a5737480d53b2f25c010dc1a7b88-workspace              -1b59d3c777ad4d619b89eeac4f3cce87",
      "failRetry" : false,
      "description" : "BATCH",
      "pollingTime" : 20,
      "nodeType" : "dws_sql_node",
      "timeout" : 360,
      "baseType" : "Node",
      "args" : null,
      "failPolicy" : "EXIT",
      "path" : null,
      "database" : "wk",
      "catalogId" : "catalog@cn-north-7",
      "maxRetryTime" : null,
      "name" : "xxxx",
      "statement" : "-- DWS sql -- ******************************************************************** ---- author: username-- create time: 2024/01/03 18:16:15 GMT+08:00-- ******************************************************************** --INSERT INTO wk_02 SELECT * FROM wk_01;",
      "retryInterval" : null,
      "connection" : "a0b248d34ab84631872f46d46a44f0b2",
      "dirtyDataPath" : null
    },
    "status" : "ACTIVE",
    "version" : 1,
    "type_name" : "dlf.dws_sql",
    "type_display_name" : "Node",
    "project_id" : "0833a5737480d53b2f25c010dc1a7b88",
    "domain_id" : "0833a5736980d53b0f22c0102ffcbfc0",
    "instance_id" : [ "dd97167b873d4a79b2aad54d4370a3bc" ],
    "workspace_id" : [ "1b59d3c777ad4d619b89eeac4f3cce87" ],
    "created_by" : "username",
    "updated_by" : "username",
    "create_time" : "2024-01-03T10:17:24.696+00:00",
    "update_time" : "2024-01-03T10:17:24.696+00:00",
    "super_type_names" : [ "base.Process", "dlf.Node", "base.Asset", "process.Node" ],
    "business_attributes" : {
      "businessName" : {
        "confidence" : 1,
        "name" : "xxxx",
        "confirmed" : true
      }
    },
    "multi_attributes" : {
      "tags" : [ ]
    },
    "extended_attributes" : { },
    "display_text" : "xxxx"
  } ],
  "entity_types" : null
}

SDK Sample Code

The SDK sample code is as follows.

     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 ShowDatamapLineageSolution {

    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();
        ShowDatamapLineageRequest request = new ShowDatamapLineageRequest();
        request.withGuid("{guid}");
        try {
            ShowDatamapLineageResponse response = client.showDatamapLineage(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());
        }
    }
}
 
 
  

     # 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 = ShowDatamapLineageRequest()
        request.guid = "{guid}"
        response = client.show_datamap_lineage(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)
 
 
  

     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.ShowDatamapLineageRequest{}
	request.Guid = "{guid}"
	response, err := client.ShowDatamapLineage(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}
 
 
  