On 04/05/10 18:47, Srinivas Naik wrote:
> Hi,
> Can any one tell me whats the effect of the below Query
> SELECT substring(B'1111000000000001' from 5 for -2);
> SELECT substring(B'1111000000000001' from 4 for -3);
> its observed that there's an Error "invalid memory alloc request size
> 4244635647"
> What will actually happen to the Postgresql database.
> I am using Postgresql 8.4.3 on Ubuntu 8.04
I can reproduce this with 8.4.*2* on Ubuntu 10.04 32-bit (postgres built
from src) but *not* with 8.4.*3*. Can you double check it is 8.4.3 you
are using? and if so tell us whether you are using 32 or 64 bit Ubuntu!
Cheers
Mark