Re: GiST on 64-bit box

We got the report about this patch on 64-bit Solaris: it's work.

Teodor Sigaev wrote:
> This patch solve the problem with unaligned access on 64-bit box. Please
> apply it for 7.2.1.
>
> Tested on DEC Alpha.
>
> Tom Lane wrote:
>
>> Actually, there is a third possibility, which would fix the problem
>> without requiring any changes in the picksplit functions. You could
>> do this:
>>
>> char *storage;
>>
>> storage = palloc(MAXALIGN(VARHDRSZ) + (*len + 1) *
>> sizeof(GISTENTRY));
>> entryvec = (bytea *) (storage + MAXALIGN(VARHDRSZ) - VARHDRSZ);
>>
>> use entryvec as before, except final pfree is pfree(storage)
>>
>> Grotty as heck, but probably the right answer for 7.2.1 to avoid the
>> initdb issues.
>>
>> For 7.3 we could do it the other, cleaner way.
>>
>> regards, tom lane
>>
>>
>
>
>
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--
Teodor Sigaev
teodor(at)stack(dot)net