Re: Pls help

2009/7/4 Scott Marlowe <scott.marlowe@gmail.com>:
> On Sat, Jul 4, 2009 at 12:12 AM, Pavel Stehule<pavel.stehule@gmail.com> wrote:
>> 2009/7/4 Scott Marlowe <scott.marlowe@gmail.com>:
>>> On Fri, Jul 3, 2009 at 10:40 PM, Pavel Stehule<pavel.stehule@gmail.com> wrote:
>>>> 2009/7/4 Roseller A. Romanos <don2_907@yahoo.com>:
>>>>>  Hi,
>>>>>
>>>>> I really have a serious problem with this.  I hope you could give me some
>>>>> insights on how to possibly solve this problem. I have installed a new copy
>>>>> of postgres in my PC using Windows XP OS and I have copy the data folder in
>>>>> my previous installation from the other PC, my problem is that I cannot
>>>>> access the records that I have copied from the other PC.
>>>>
>>>> you cannot copy postgres data files from one computer to second.
>>>> PostgreSQL is not MySQL. Use pg_dump instead or copy statement.
>>>
>>> Well, strictly speaking, if they're from the same architecture, with
>>> the same compile time options and the same major version of pgsql*
>>> then you can.  But you need to shut down the source and destination
>>> servers while doing it.
>>
>> and all your DDL operation are same and executed in same order too
>
> I'm not sure what you mean.  If you shut down both db instances, and
> copy the files over, there's no DDL involved really.
>

When you copy all files, then ok. But when you copy only one data
file, then you have a problem.

Problem should be different oid of pg_class table

Pavel