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
ALTER RESOURCE LABEL label_name (ADD|REMOVE)
label_item_list[, ...]*;
label_item_list
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
-- Create basic table table_for_label.
postgres=# CREATE TABLE table_for_label(col1 int, col2 text);
-- Create resource label table_label.
postgres=# CREATE RESOURCE LABEL table_label ADD COLUMN(table_for_label.col1);
-- Attach resource label table_label to col2.
postgres=# ALTER RESOURCE LABEL table_label ADD COLUMN(table_for_label.col2)
-- Remove table_label from an item.
postgres=# ALTER RESOURCE LABEL table_label REMOVE COLUMN(table_for_label.col1);
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