$ perl 688836.pl
1..3002
ok 1 - Expect delete_all to return 1
DBD::mysql::st execute failed: Duplicate entry '6700000000000000000' for key 1 at 688836.pl line 33.
execute failed at 688836.pl line 33.
# Looks like you planned 3002 tests but only ran 1.
# Looks like your test died just after 1.
$ echo 'delete from foo' | mysql moritz2
$ perl -Mbigint 688836.pl
1..3002
ok 1 - Expect delete_all to return 1
ok 2 - Expect 1000 insert(s)
ok 3 - Expect 1 row from dynamic_sql(6700000000000000001)
Segmentation fault