Hi Mark,
Please find the below details:
postgresql-8.3
and UBUNTU-8.10 with linux-image-2.6.27.18-standard_810_i386.deb
and its an 32bit Ubuntu.
On Tue, May 4, 2010 at 9:02 AM, Mark Kirkwood <mark.kirkw...@catalyst.net.nz
> wrote:
> 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
>
>
>
