From: | Doug Fields <dfields-pg-general(at)pexicom(dot)com> |
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To: | "Ricardo Ryoiti S(dot) Junior" <suga(at)netbsd(dot)com(dot)br> |
Cc: | pgsql-general(at)postgresql(dot)org, pgsql-jdbc(at)postgresql(dot)org |
Subject: | Re: Batch Inserts |
Date: | 2002-12-11 23:03:30 |
Message-ID: | 5.1.0.14.2.20021211180132.021d39e8@pop.pexicom.com |
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Thread: | |
Lists: | pgsql-general |
Hi Ricardo, list,
One quick question:
> - If your "data importing" is done via inserts, make sure that the
>batch uses transactions for each (at least or so) 200 inserts. If you
>don't, each insert will be a transaction, what will slow down you.
I use JDBC and use it with the default "AUTOCOMMIT ON."
Does doing a statement, in one JDBC execution, of the form:
BEGIN WORK; INSERT ... ; INSERT ... ; INSERT ...; COMMIT;
Count as N individual inserts (due to the autocommit setting) or does the
BEGIN WORK;...COMMIT; surrounding it override that setting?
Thanks,
Doug
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