Re: Changing Column Order (Was Re: MySQL vs PostgreSQL.) - Mailing list pgsql-hackers

Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > Jan Wieck wrote:
> >> When was char() fixed size?
> 
> > char() was fixed size only in that you could cache the column offsets
> > for char() becuase it was always the same width on disk before TOAST.
> 
> But that was already broken by MULTIBYTE.

Yes, I think there was conditional code that had the optimization only
for non-multibyte servers.  Of course, now multibyte is default.

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