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CREATE RESOURCE LABEL

Function

CREATE RESOURCE LABEL creates a resource label.

Precautions

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

Syntax

CREATE RESOURCE LABEL [IF NOT EXISTS] label_name ADD 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, which must be unique.

    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 table tb_for_label.
mogdb=# CREATE TABLE tb_for_label(col1 text, col2 text, col3 text);

-- Create schema schema_for_label.
mogdb=# CREATE SCHEMA schema_for_label;

-- Create view view_for_label.
mogdb=# CREATE VIEW view_for_label AS SELECT 1;

-- Create function func_for_label.
mogdb=# CREATE FUNCTION func_for_label RETURNS TEXT AS $$ SELECT col1 FROM tb_for_label; $$ LANGUAGE SQL;

-- Create a resource label based on the table.
mogdb=# CREATE RESOURCE LABEL IF NOT EXISTS table_label add TABLE(public.tb_for_label);

-- Create a resource label based on the columns.
mogdb=# CREATE RESOURCE LABEL IF NOT EXISTS column_label add COLUMN(public.tb_for_label.col1);

-- Create a resource label based on the schema.
mogdb=# CREATE RESOURCE LABEL IF NOT EXISTS schema_label add SCHEMA(schema_for_label);

-- Create a resource label based on the view.
mogdb=# CREATE RESOURCE LABEL IF NOT EXISTS view_label add VIEW(view_for_label);

-- Create a resource label based on the function.
mogdb=# CREATE RESOURCE LABEL IF NOT EXISTS func_label add FUNCTION(func_for_label);