Nested transactions
Dear postgresql hackers,
I'm trying to find out what happens if I use nested transactions in
postgresql from 7.2.x to 7.4.x. I visited and surfed across many webpages
and documents but I did not find anything (I did not look at the sources
yet). I know nested transactions did not work on that versions, but this
is exactly what I want to know. What happens if I put nested begins,
commits, etc? Suppose we have the following:
begin work
...
begin work
...
commit
...
commit
What happens with the second begin? What happens in the first and second
commits? And if I put a rollback inside the two nested transactions? What
happens? Thank you in advance,
[]'s
cassio.
On Sun, May 09, 2004 at 10:57:45AM -0300, Cassio Polpo de Campos wrote:
I know nested transactions did not work on that versions, but this
is exactly what I want to know. What happens if I put nested begins,
commits, etc? Suppose we have the following:begin work
...
begin work
...
commit
...
commit
You'll get a warning in the second begin saying that you already are in
a transaction, and nothing will happen. The first commit will commit,
and the second one will get another warning saying that you are not on a
transaction and there's nothing to commit.
--
Alvaro Herrera (<alvherre[a]dcc.uchile.cl>)
"Siempre hay que alimentar a los dioses, aunque la tierra est� seca" (Orual)