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Re: Newbie questions relating to transactions

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Carl Sopchak <carl.sopchak@xxxxxxxxxxxx> writes:
> I have written a PL/pgSQL function that performs these calculations by reading 
> the needed data, calculating, and saving the results.  When run over a 
> smaller set of data, it works fine.  But when I tried to run it over this 
> larger set of data, I got the error message "ERROR:  cannot have more than 
> 2^32-1 commands in a transaction".

> I have looked into trying to control the transaction within my function, but 
> apparently this results in nested transactions, which is not supported by 
> pgsql 8.2 (my current version).

Try updating to 8.3 --- it only counts plpgsql statements as separate
"commands" if they actually modified something on-disk.  The 2^32 limit
is still there but it's a lot harder to hit.

			regards, tom lane

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