A (potential) correction for the last INSERT INTO statement in the
'Intersecting Data' section (
https://wiki.postgresql.org/wiki/SSI#Intersecting_Data) After 'session 1'
does a ROLLBACK, it should retry with
INSERT INTO mytab VALUES (2, 30);
not
INSERT INTO mytab VALUES (2, 330);
Blaz Merela <http://merela.org>