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  1. or download this
    CREATE FUNCTION format_links(text,text)
    RETURNS text AS '
    ...
    ' LANGUAGE 'plperl';
    
    CREATE AGGREGATE get_links (basetype=text, sfunc=links_agg, stype=text
    +, initcond='');
    
  2. or download this
    SELECT get_links(format_links(url,name)) FROM links;
    
  3. or download this
    CREATE VIEW link_list AS
    SELECT get_links(format_links(url,name))
    FROM links
    
  4. or download this
    SELECT * FROM link_list;