| From: | "Jonah H(dot) Harris" <jonah(dot)harris(at)gmail(dot)com> |
|---|---|
| To: | "Gokulakannan Somasundaram" <gokul007(at)gmail(dot)com> |
| Cc: | "Martijn van Oosterhout" <kleptog(at)svana(dot)org>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Proposal: Select ... AS OF Savepoint |
| Date: | 2007-11-02 11:53:53 |
| Message-ID: | 36e682920711020453s3566f62er70eeaea12e79308d@mail.gmail.com |
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| Lists: | pgsql-hackers |
On 11/2/07, Gokulakannan Somasundaram <gokul007(at)gmail(dot)com> wrote:
> If the proposal is implemented
> BEGIN
>
> savepoint s1;
>
> some DML operations
>
> get current inventory2 = select ...
>
> if current inventory2 is < fixed size
> current inventory1 = select .. as of savepoint s1;
> END
>
> Do you see the difference?
Yes, a completely non-standard and somewhat unusual feature. What I
don't see is why you're wasting time pushing this frankly obscure idea
for time-travel, "only within a transaction". Why not just go all out
and suggest re-adding time-travel completely.
--
Jonah H. Harris, Sr. Software Architect | phone: 732.331.1324
EnterpriseDB Corporation | fax: 732.331.1301
499 Thornall Street, 2nd Floor | jonah(dot)harris(at)enterprisedb(dot)com
Edison, NJ 08837 | http://www.enterprisedb.com/
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