====== pears.commathousands ======
<WRAP center round info>
Generated schema reference. Regenerate this page from the SQL unload; keep hand-maintained business notes in the narrative namespace.
</WRAP>

===== Original SQL =====
<code sql>
create function "pears"."commathousands"( 
  /* Application Maintained Function / Procedure - DO NOT EDIT*/
  in "d" double ) 
returns char(20)
begin
  declare "rv" char(20);
  declare "s" char(20);
  declare "t" char(20);
  declare "i" integer;
  declare "c" char(1);
  if "d" is null then
    return null
  end if;
  if "d" < 0 then
    set "d" = "abs"("d");
    set "c" = '-'
  else
    set "c" = ''
  end if;
  set "rv" = '';
  set "s" = "trim"("str"("d",20,0));
  set "i" = -1;
  "lbl": loop
    set "t" = "substr"("s","i",-3);
    if "t" = '' then
      leave "lbl"
    end if;
    if "rv" <> '' then
      set "rv" = ','+"rv"
    end if;
    set "rv" = "t"+"rv";
    set "i" = "i"-3
  end loop "lbl";
  return("c"+"rv")
end
</code>