| From: | Jeff Eckermann <jeff_eckermann(at)yahoo(dot)com> |
|---|---|
| To: | Doug Fields <dfields-pg-general(at)pexicom(dot)com> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Urgent need of (paid) PostgreSQL support in New |
| Date: | 2002-12-11 15:09:05 |
| Message-ID: | 20021211150905.53175.qmail@web20807.mail.yahoo.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
--- Doug Fields <dfields-pg-general(at)pexicom(dot)com>
wrote:
>
> The biggest slowdown seems to come when there are
> queries of the form:
>
> 1) INSERT INTO tableA SELECT * FROM temp_table
> executing simultaneously with queries of the form
> 2) INSERT INTO tableB SELECT column FROM tableA
> WHERE various clauses
>
You will probably find it more efficient to write a
procedure that handles the inserts into both tableA
and tableB sumultaneously based on the temp_table data.
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