Re: [JDBC] Problems with Large Objects using Postgres 7.2.1

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От Chris White
Тема Re: [JDBC] Problems with Large Objects using Postgres 7.2.1
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Msg-id 013401c2fede$9754ff40$ff926b80@amer.cisco.com
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Ответ на Re: [JDBC] Problems with Large Objects using Postgres 7.2.1  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: [JDBC] Problems with Large Objects using Postgres 7.2.1
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The first and second are over the same connection. The third is over a
different connection, but issued after the second transaction has completed.

-----Original Message-----
From: pgsql-admin-owner@postgresql.org
[mailto:pgsql-admin-owner@postgresql.org]On Behalf Of Tom Lane
Sent: Wednesday, April 09, 2003 2:19 PM
To: cjwhite@cisco.com
Cc: pgsql-jdbc@postgresql.org; pgsql-admin@postgresql.org
Subject: Re: [JDBC] [ADMIN] Problems with Large Objects using Postgres
7.2.1


"Chris White" <cjwhite@cisco.com> writes:
>> BTW what do you mean exactly by "commit" above?  There is no notion of
>> committing a large object separately from committing a transaction.

> I meant committing the transaction. The first transaction commit is after
> the large object is written and closed. Second is after the large object
> update and close. Then the third is after the associated tables are
updated.

Hmm.  So the state you are seeing corresponds to the commit of the first
transaction, as far as the LO itself goes --- that's perfectly
reasonable.  But I don't see how it could be that the third transaction
appears committed while the second does not.  Are you issuing all these
transactions over the same database connection?  Perhaps the second
transaction isn't really committed?

            regards, tom lane


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