Re:

"Mona" wrote:
>We are trying to rollback an update in postgres. But so far we have not bee=
>n able to do it.
>When we Rollback..
>it says:
>
>ROLLBACK: No transaction in progress.
>
>Same happens with commit.

Each INSERT, UPDATE, COPY or DELETE is its own transaction unless a
transaction is explicitly started with BEGIN.

junk=# insert into s (name) values ('some junk');
INSERT 27805072 1
junk=# rollback;
NOTICE: ROLLBACK: no transaction in progress
ROLLBACK
junk=# begin;
BEGIN
junk=# insert into s (name) values ('some more junk');
INSERT 27805073 1
junk=# rollback;
ROLLBACK
junk=# select * from s;
id | name
----+-----------
2 | some junk
(1 row)

--
Oliver Elphick Oliver(dot)Elphick(at)lfix(dot)co(dot)uk
Isle of Wight http://www.lfix.co.uk/oliver
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"But be ye doers of the word, and not hearers only,
deceiving your own selves." James 1:22