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DataWorks:UpdateColumnBusinessMetadata

Last Updated:Jun 04, 2026

Updates the business metadata for a column in a data map. This operation can only update the business description and custom attributes.

Operation description

  1. This operation requires DataWorks Basic Edition or a later version.

  2. This operation supports only MaxCompute, hms, and dlf tables.

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RAM authorization

No authorization for this operation. If you encounter issues with this operation, contact technical support.

Request parameters

Parameter

Type

Required

Description

Example

Id

string

Yes

The ID of the column. You can obtain this ID from the response of the ListColumns operation. For more information, see Metadata Entity Concepts.

maxcompute-column:::project_name:[schema_name]:table_name:column_name

Description

string

No

The business description of the column.

test description

CustomAttributes

object

No

The custom attributes of the column, specified as key-value pairs. The key is the attribute identifier, and the value is an array that can contain at most one element. An empty array deletes the attribute's value. To avoid overwriting the column's business description, omit the Description parameter from the request. An empty object ({}) indicates that no custom attributes are updated.

{"biz_owner":["张三"]}

array

No

An array that contains the custom attribute value. This array can contain at most one element.

string

No

The attribute value.

张三

Response elements

Element

Type

Description

Example

object

The returned data.

RequestId

string

The request ID.

D1E2E5BC-xxxx-xxxx-xxxx-xxxxxx

Success

boolean

Indicates whether the request was successful.

true

Examples

Success response

JSON format

{
  "RequestId": "D1E2E5BC-xxxx-xxxx-xxxx-xxxxxx",
  "Success": true
}

Error codes

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.