Updated on 2024-10-14 GMT+08:00

ALTER RESOURCE LABEL

Function

ALTER RESOURCE LABEL modifies resource labels.

Precautions

Only user poladmin, user sysadmin, or the initial user can perform this operation.

Syntax

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ALTER RESOURCE LABEL label_name (ADD|REMOVE) 
  label_item_list[, ...]*;
  • label_item_list
    1
    resource_type(resource_path[, ...]*)
    
  • resource_type
    TABLE | COLUMN | SCHEMA | VIEW | FUNCTION

Parameter Description

  • label_name

    Specifies the resource label name.

    Value range: a string. It must comply with the naming convention.

  • resource_type

    Specifies the type of database resources to be labeled.

  • resource_path

    Specifies the path of database resources.

Examples

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-- Create basic table table_for_label.
openGauss=# CREATE TABLE table_for_label(col1 int, col2 text);

-- Create resource label table_label.
openGauss=# CREATE RESOURCE LABEL table_label ADD COLUMN(table_for_label.col1);

-- Attach resource label table_label to col2.
openGauss=# ALTER RESOURCE LABEL table_label ADD COLUMN(table_for_label.col2)

-- Remove table_label from an item.
openGauss=# ALTER RESOURCE LABEL table_label REMOVE COLUMN(table_for_label.col1);