--
-- content_symlink__is_symlink/1
--
create or replace function content_symlink__is_symlink(
  integer
) returns bool as $$

declare
  is_symlink__item_id                alias for $1;  
  v_symlink_p                        boolean;
begin

  select 
    count(*) = 1 into v_symlink_p
  from 
    cr_symlinks
  where 
    symlink_id = is_symlink__item_id;

  return v_symlink_p;  
 
end;$$ language plpgsql;