> > ... it seems the "lpad", "rpad" don't work,
> > when I type:
> > select lpad('laser', 4, 'a');
> > in psql, the result is still
> > 'laser', the same with 'rpad',
> > Is it a bug or I'm mis-understaning the lpad and/or rpad functions?
>
> A simple misunderstanding. The length argument is for the *total*
> length. So padding a 5 character string to a length of 4 will do
> nothing. But padding to a length of 6 will add a single "a" to the
> string.
Seems the implementor made a mistake, since this is supposed to be oracle
compat stuff it should behave like Oracle, and thus trim the string to 4 chars.
Andreas
