On 23 July 2012 16:09, Robert Haas <robertmhaas@gmail.com> wrote:
> However, what this really boils down to is that you and Peter don't
> like this line of code:
>
> + tss->buflen1 = TYPEALIGN(TEXTBUFLEN, len1);
I can only speak for myself, though I agree with your summary here.
> What would you like it to say instead?
>
> The obvious formulation is:
>
> while (len1 < tss->buflen1)
> tss->buflen *= 2;
That's what I had in mind. +1.
> Or perhaps the following, which will normally be more efficient,
> though possibly not as efficient as what I've got there now:
>
> tss->buflen = 1 << ffs(len1);
I'm sorry, I don't follow you here. What is ffs() ?
--
Peter Geoghegan http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training and Services
