更新时间:2025-08-01 GMT+08:00
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数据预览(邀测)

功能介绍

表数据预览,展示10条数据,该接口功能处于邀测阶段,后续将随功能公测将逐步开放。

调用方法

请参见如何调用API

URI

GET /v1/{project_id}/datamap/entities/guid/{guid}/preview

表1 路径参数

参数

是否必选

参数类型

描述

project_id

String

项目ID,获取方法请参见项目ID和账号ID

guid

String

资产guid,获取方法请参见数据资产guid

表2 Query参数

参数

是否必选

参数类型

描述

data_connection_id

String

数据连接id。

source_type

String

数据源类型。

database

String

database名称。

schema

String

schema名称。

table

String

table名称。

queue

String

队列名称。

请求参数

表3 请求Header参数

参数

是否必选

参数类型

描述

X-Auth-Token

String

用户Token,使用Token认证时必选。通过调用IAM服务的“获取用户Token”接口获取响应消息头中X-Subject-Token的值。

instance

String

实例ID,获取方法请参见实例ID和工作空间ID

响应参数

状态码:200

表4 响应Body参数

参数

参数类型

描述

rows

Array<Array<Object>>

表中数据信息列表

schema

Array of objects

字段信息列表

状态码:400

表5 响应Body参数

参数

参数类型

描述

error_code

String

错误码。

error_msg

String

错误描述。

状态码:401

表6 响应Body参数

参数

参数类型

描述

error_code

String

错误码。

error_msg

String

错误描述。

状态码:403

表7 响应Body参数

参数

参数类型

描述

error_code

String

错误码。

error_msg

String

错误描述。

状态码:404

表8 响应Body参数

参数

参数类型

描述

error_code

String

错误码。

error_msg

String

错误描述。

状态码:500

表9 响应Body参数

参数

参数类型

描述

error_code

String

错误码。

error_msg

String

错误描述。

请求示例

响应示例

状态码:200

OK

{
  "rows" : null,
  "schema" : [ {
    "name" : "string"
  }, {
    "school" : "string"
  }, {
    "id" : "int"
  }, {
    "address" : "string"
  } ]
}

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 ShowTableDataSolution {

    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();
        ShowTableDataRequest request = new ShowTableDataRequest();
        request.withGuid("{guid}");
        try {
            ShowTableDataResponse response = client.showTableData(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 = ShowTableDataRequest()
        request.guid = "{guid}"
        response = client.show_table_data(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.ShowTableDataRequest{}
	request.Guid = "{guid}"
	response, err := client.ShowTableData(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

OK

400

BadRequest

401

Unauthorized

403

Forbidden

404

Not Found

500

InternalServerError

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