Re: contrib/ltree for 7.2 or 7.3 ?

I'm now working on it.

Tom Lane wrote:
>>Oleg Bartunov wrote:
>>
>>>One known issue: It'll not works with 64-bit OS. We'll certainly fix this
>>>but will appreciate if somebody with access to 64-bit machine could help us.
>>
> 
> Actually, it dumps core instantly on 32-bit machines too, if they are
> pickier about alignment than Intel hardware is.  You can't map
> structures onto char[] arrays that start at odd byte offsets and not
> expect trouble.
> 
> I also do not trust macros like this:
> 
> typedef struct {
>     int32    len;
>     uint16    numlevel;
>     char    data[1];
> } ltree;
> 
> #define LTREE_HDRSIZE    ( sizeof(int32) + sizeof(uint16) )
> 
> because they take no account of the possibility of padding between fields.
> 
>             regards, tom lane
> 
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-- 
Teodor Sigaev
teodor@stack.net