Help Center/ Data Lake Insight/ API Reference/ SQL Job-related APIs/ Previewing SQL Job Query Results
Updated on 2024-08-19 GMT+08:00

Previewing SQL Job Query Results

Function

This API is used to view the job execution result after a job is executed using SQL query statements. Currently, you can only query execution results of jobs of the QUERY type.

This API can be used to view only the first 1000 result records and does not support pagination query. To view all query results, you need to export the query results first. For details, see Exporting Query Results.

URI

  • URI format

    GET /v1.0/{project_id}/jobs/{job_id}/preview

  • Parameter description
    Table 1 URI parameters

    Parameter

    Mandatory

    Type

    Description

    project_id

    Yes

    String

    Project ID, which is used for resource isolation. For details about how to obtain its value, see Obtaining a Project ID.

    job_id

    Yes

    String

    Job ID

    Table 2 query parameter description

    Parameter

    Mandatory

    Type

    Description

    page-size

    No

    Long

    Number of result rows. The value ranges from 1 to 1000. The default rate limit is 1000.

    queue-name

    No

    String

    Name of the execution queue for obtaining job results. If this parameter is not specified, the default system queue is used.

    The following is an example of the URL containing the query parameter:

    GET /v1.0/{project_id}/jobs/{job_id}/preview?page-size={size}&queue-name={queue_name}

Request

None

Response

Table 3 Response parameters

Parameter

Mandatory

Type

Description

is_success

No

Boolean

Whether the request is successfully executed. Value true indicates that the request is successfully executed.

message

No

String

System prompt. If execution succeeds, the parameter setting may be left blank.

job_id

No

String

Job ID You can get the value by calling Submitting a SQL Job (Recommended).

job_type

No

String

Job type, including DDL, DCL, IMPORT, EXPORT, QUERY, INSERT, DATA_MIGRATION, UPDATE, DELETE, RESTART_QUEUE and SCALE_QUEUE.

Currently, you can only query execution results of jobs of the QUERY type.

row_count

No

Integer

Total number of job results.

input_size

No

Long

Amount of data scanned during job execution.

schema

No

Array of Map

Name and type of the job result column.

rows

No

Array of objects

Job results set.

Example Request

None

Example Response

{
  "is_success": true,
  "message": "",
  "job_id": "ead0b276-8ed4-4eb5-b520-58f1511e7033",
  "job_type": "QUERY",
  "row_count": 1,
  "input_size": 74,
  "schema": [
    {
      "c1": "int"
    },
    {
      "c2": "string"
    }
  ],
  "rows": [
    [
      23,
      "sda"
    ]
  ]
}

Status Codes

Table 4 describes the status code.

Table 4 Status codes

Status Code

Description

200

The query is successful.

400

Request error.

500

Internal service error.

Error Codes

If an error occurs when this API is invoked, the system does not return the result similar to the preceding example, but returns the error code and error information. For details, see Error Codes.