Example:
$db->query('create table x (n integer unique)');
$db->query('insert into x values (23)');
eval {
my $tx = $db->begin;
$db->query('insert into x values (23)');
$tx->commit;
};
if ($@) {
say $@;
say $db->dbh->state; # Empty, $dbh->rollback clear a real error.
}
What is the way to find out the error code for dbh? (
http://www.postgresql.org/docs/9.4/static/errcodes-appendix.html)
After the destruction $tx, $db->dbh->state is set to udnef because of the
rollback.
--
Andrey Khozov
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