Re: how to start a procedure after postgresql started.
От | John R Pierce |
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Тема | Re: how to start a procedure after postgresql started. |
Дата | |
Msg-id | 4DD9AEC8.5040905@hogranch.com обсуждение исходный текст |
Ответ на | Re: how to start a procedure after postgresql started. (Darren Duncan <darren@darrenduncan.net>) |
Ответы |
Re: how to start a procedure after postgresql started.
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Список | pgsql-general |
On 05/22/11 10:45 AM, Darren Duncan wrote: >> ...but your entire application would be running in a single >> transaction. I don't think thats a good thing. > > Absolutely. But if the kind of stored procedures were supported that > can do anything a database client can do, including transaction > control statements, then the main program routine would typically be > one of those. yes, but postgres doesn't support the idea of stored procedures callable outside of transactions, so I don't know how this could be implemented without some major rework of the core engine. for the sake of the novices amongst us, let me clarify my earlier statement that a single long running transaction is not a good thing. Vacuum can not free up tuples newer than the oldest pending transaction. This will put quite a lot of hurt on a update intensive database over a period of hours or days. -- john r pierce N 37, W 123 santa cruz ca mid-left coast
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