create table mock (id int);
begin;
truncate table mock;
insert into mock values (1),(2);
savepoint A;
insert into mock values (3),(4);
savepoint B;
rollback to savepoint A;
end;
 
Following link may help you.
http://www.postgresql.org/docs/current/static/sql-rollback-to.html 

 


Date: Wed, 16 Mar 2011 10:55:23 +0530
Subject: [GENERAL] how to use savepoint and rollback in function
From: tpneh...@gmail.com
To: pgsql-general@postgresql.org


Hi All,
In Postgresql we can use savepoint and rollback to savepoint in transaction.
But we cannot use savepoint in function.
Currently I am doing migration from Informix to Postgresql 8.4.
In Informix they used Savepoint.
Please advice how to use Savepoint and rollback to savepoint in function.
I know Postgresql has autocommit. But I want to rollback to a particular 
savepoint.
 
Thanks & Regards,
Tushar                                    

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