Re: SET autocommit begins transaction?

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Sean Chittenden <sean(at)chittenden(dot)org>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: SET autocommit begins transaction?
Date: 2002-09-18 22:05:58
Message-ID: 200209182205.g8IM5wE17493@candle.pha.pa.us
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Sean Chittenden wrote:
> db.transaction do |dbh|
> db.do('DELETE FROM tbl WHERE id = 5')
> db['AutoCommit'] = true
> end
>
> Because there wasn't a commit given, that shouldn't actually delete
> the rows found, but by tossing that AutoCommit in there, it should and
> will generate a nifty warning if AutoCommit sends the above
> BEGIN/SET/COMMIT. -sc

You can't be setting autocommit willy-nilly. What I was going to
suggest is that we allow 'SET autocommit' only at the start of a
transaction, and then have it take effect immediately. If you try
autocommit when a transaction is already in progress from a previous
statement, we throw an error.

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Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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