From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
---|---|
To: | Ehab Galal <ehabgalal123(at)hotmail(dot)com> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: executing a dml within a utility |
Date: | 2006-12-21 21:13:32 |
Message-ID: | 20061221211332.GP5199@alvh.no-ip.org |
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Lists: | pgsql-hackers |
Ehab Galal wrote:
> I created a CMD_UTILITY, which upon being executed by the user should do
> the following atomically:
> 1- drops a table
> 2- deletes from another table all rows with a certain criterion: "DELETE
> FROM pg_t1 WHERE att = val"
> 3- deletes from a third table all rows with a certain criterion: "DELETE
> FROM pg_t2 WHERE att = val"
>
> I do the first step using ProcessUtility(). How can i do the 2nd/3rd steps?
> Any suggestions?
Don't do that. Instead, use performDeletion and register your tuples in
the pg_t1 and pg_t2 catalogs in pg_depend (using recordDependencyOn).
--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.
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