====== pears.safedate ======
<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"."safedate"( 
  in "dd" char(30) ) 
returns char(30)
begin
  declare "i" smallint;
  declare "t","d","m" char(20);
  if "dd" is null then
    return null
  end if;
  set "dd" = "replace"("dd",'T',' ');
  if "trim"("dd") = '' then
    return null
  end if;
  if "charindex"('/',"dd") = 0 then
    return "dd"
  end if;
  set "i" = "charindex"(' ',"dd");
  if "i" > 0 then
    set "t" = "stuff"("dd",1,"i"-1,'');
    set "dd" = "left"("dd","i"-1)
  else
    set "t" = ''
  end if;
  set "i" = "charindex"('/',"dd");
  set "d" = "left"("dd","i"-1);
  set "dd" = "stuff"("dd",1,"i",'');
  set "i" = "charindex"('/',"dd");
  set "m" = "left"("dd","i"-1);
  set "dd" = "stuff"("dd",1,"i",'');
  return("string"("dd",'-',"m",'-',"d","t"))
end
</code>