On 05/05/10 06:24, Srinivas Naik wrote:


I am sorry for that, but I made two different installations and I was messing up with various inputs.

Actually, the installed versions are below
*postgresql-8.3*
*Ubuntu 8.10  with 2.6.27 Kernel*
*and its an 32Bit O/S*

pgsql$ SELECT substring(B'1111000000000001' from 5 for -2);
ERROR:invalid memory alloc request size 4244635647



Please log into postgres do:

SELECT version();

(and Robert suggested) and show us the output - as we need to know the 3rd number e.g 8.3.x in the postgres version to help you any more.

regards

Mark




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