On Fri, 8 Oct 2004, David Garamond wrote:
> Peter Eisentraut wrote:
> >>What is "text + text" supposed to do right now?
> >
> > Nothing.
>
> Then are these bugs? (7.4.5 and 8.0.0beta1 give same results). Frankly,
> the current behaviour is quite strange to me.
>
> ------------------
> =# select coalesce('1'+'0','NULL');
> a
That isn't text+text. It's "char"+"char". "char" is a rather bizarre type
being partially 1 byte integer and partially 1 character string and it
causes strange behaviors like the above where I believe it's taking the
first bytes of the '1' and '0' and adding them together. I think Tom was
talking about removing the math operators from it so that things like the
above don't happen.
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