7 use Time::HiRes 'time';
12 use DBIx::Class::_Util qw( sigwarn_silencer modver_gt_or_eq modver_gt_or_eq_and_lt );
14 # make one deploy() round before we load anything else - need this in order
15 # to prime SQLT if we are using it (deep depchain is deep)
16 DBICTest->init_schema( no_populate => 1 );
18 # check that we work somewhat OK with braindead SQLite transaction handling
20 # As per https://metacpan.org/source/ADAMK/DBD-SQLite-1.37/lib/DBD/SQLite.pm#L921
21 # SQLite does *not* try to synchronize
23 # However DBD::SQLite 1.38_02 seems to fix this, with an accompanying test:
24 # https://metacpan.org/source/ADAMK/DBD-SQLite-1.38_02/t/54_literal_txn.t
25 my $lit_txn_todo = modver_gt_or_eq('DBD::SQLite', '1.38_02')
27 : "DBD::SQLite before 1.38_02 is retarded wrt detecting literal BEGIN/COMMIT statements"
30 for my $prefix_comment (qw/Begin_only Commit_only Begin_and_Commit/) {
31 note "Testing with comment prefixes on $prefix_comment";
33 # FIXME warning won't help us for the time being
34 # perhaps when (if ever) DBD::SQLite gets fixed,
35 # we can do something extra here
36 local $SIG{__WARN__} = sigwarn_silencer( qr/Internal transaction state .+? does not seem to match/ )
37 if ( $lit_txn_todo && !$ENV{TEST_VERBOSE} );
39 my ($c_begin, $c_commit) = map { $prefix_comment =~ $_ ? 1 : 0 } (qr/Begin/, qr/Commit/);
41 my $schema = DBICTest->init_schema( no_deploy => 1 );
42 my $ars = $schema->resultset('Artist');
44 ok (! $schema->storage->connected, 'No connection yet');
46 $schema->storage->dbh->do(<<'DDL');
48 artistid INTEGER PRIMARY KEY NOT NULL,
50 rank integer DEFAULT 13,
51 charfield char(10) NULL
55 my $artist = $ars->create({ name => 'Artist_' . time() });
56 is ($ars->count, 1, 'Inserted artist ' . $artist->name);
58 ok ($schema->storage->connected, 'Connected');
59 ok ($schema->storage->_dbh->{AutoCommit}, 'DBD not in txn yet');
61 $schema->storage->dbh->do(join "\n",
62 $c_begin ? '-- comment' : (),
65 ok ($schema->storage->connected, 'Still connected');
67 local $TODO = $lit_txn_todo if $c_begin;
68 ok (! $schema->storage->_dbh->{AutoCommit}, "DBD aware of txn begin with comments on $prefix_comment");
71 $schema->storage->dbh->do(join "\n",
72 $c_commit ? '-- comment' : (),
75 ok ($schema->storage->connected, 'Still connected');
77 local $TODO = $lit_txn_todo if $c_commit and ! $c_begin;
78 ok ($schema->storage->_dbh->{AutoCommit}, "DBD aware txn ended with comments on $prefix_comment");
81 is ($ars->count, 1, 'Inserted artists still there');
84 # this never worked in the 1st place
85 local $TODO = $lit_txn_todo if ! $c_begin and $c_commit;
87 # odd argument passing, because such nested crefs leak on 5.8
89 $schema->storage->txn_do (sub {
90 ok ($_[0]->find({ name => $_[1] }), "Artist still where we left it after cycle with comments on $prefix_comment");
91 }, $ars, $artist->name );
92 } "Succesfull transaction with comments on $prefix_comment";
96 # test blank begin/svp/commit/begin cycle
98 my $schema = DBICTest->init_schema( no_populate => 1 );
99 my $rs = $schema->resultset('Artist');
100 is ($rs->count, 0, 'Start with empty table');
102 for my $do_commit (1, 0) {
105 $schema->svp_rollback;
108 $schema->svp_rollback;
110 $schema->svp_release;
114 $schema->txn_rollback;
118 $schema->svp_rollback;
121 $schema->svp_rollback;
123 $schema->svp_release;
127 $do_commit ? $schema->txn_commit : $schema->txn_rollback;
129 is_deeply $schema->storage->savepoints, [], 'Savepoint names cleared away'
132 $schema->txn_do(sub {
133 ok (1, 'all seems fine');
135 } [], 'No warnings emitted';
137 my $schema = DBICTest->init_schema();
139 # make sure the side-effects of RT#67581 do not result in data loss
141 warnings_exist { $row = $schema->resultset('Artist')->create ({ name => 'alpha rank', rank => 'abc' }) }
142 [qr/Non-integer value supplied for column 'rank' despite the integer datatype/],
143 'proper warning on string insertion into an numeric column'
145 $row->discard_changes;
146 is ($row->rank, 'abc', 'proper rank inserted into database');
148 # and make sure we do not lose actual bigints
151 skip "Not testing bigint handling on known broken DBD::SQLite trial versions", 1
152 if modver_gt_or_eq_and_lt( 'DBD::SQLite', '1.45', '1.45_03' );
155 package DBICTest::BigIntArtist;
156 use base 'DBICTest::Schema::Artist';
157 __PACKAGE__->table('artist');
158 __PACKAGE__->add_column(bigint => { data_type => 'bigint' });
160 $schema->register_class(BigIntArtist => 'DBICTest::BigIntArtist');
161 $schema->storage->dbh_do(sub {
162 $_[1]->do('ALTER TABLE artist ADD COLUMN bigint BIGINT');
165 my $sqlite_broken_bigint = modver_gt_or_eq_and_lt( 'DBD::SQLite', '1.34', '1.37' );
168 my $many_bits = (Math::BigInt->new(2) ** 62);
170 # test upper/lower boundaries for sqlite and some values inbetween
171 # range is -(2**63) .. 2**63 - 1
173 # Not testing -0 - it seems to overflow to ~0 on some combinations,
174 # thus not triggering the >32 bit guards
175 # interesting read: https://en.wikipedia.org/wiki/Signed_zero#Representations
213 # these values cause exceptions even with all workarounds in place on these
214 # fucked DBD::SQLite versions *regardless* of ivsize >.<
215 $sqlite_broken_bigint
217 : ( '2147483648', '2147483649' )
220 # with newer compilers ( gcc 4.9+ ) older DBD::SQLite does not
221 # play well with the "Most Negative Number"
222 modver_gt_or_eq( 'DBD::SQLite', '1.33' )
223 ? ( '-9223372036854775808' )
228 # unsigned 32 bit ints have a range of −2,147,483,648 to 2,147,483,647
229 # alternatively expressed as the hexadecimal numbers below
230 # the comparison math will come out right regardless of ivsize, since
231 # we are operating within 31 bits
232 # P.S. 31 because one bit is lost for the sign
233 my $v_bits = ($bi > 0x7fff_ffff || $bi < -0x8000_0000) ? 64 : 32;
235 my $v_desc = sprintf '%s (%d bit signed int)', $bi, $v_bits;
238 local $SIG{__WARN__} = sub {
239 if ($_[0] =~ /datatype mismatch/) {
242 elsif ($_[0] =~ /An integer value occupying more than 32 bits was supplied .+ can not bind properly so DBIC will treat it as a string instead/ ) {
243 # do nothing, this warning will pop up here and there depending on
244 # DBD/bitness combination
245 # we don't want to test for it explicitly, we are just interested
246 # in the results matching at the end
253 # some combinations of SQLite 1.35 and older 5.8 faimly is wonky
254 # instead of a warning we get a full exception. Sod it
256 $row = $schema->resultset('BigIntArtist')->create({ bigint => $bi });
258 fail("Exception on inserting $v_desc: $@") unless $sqlite_broken_bigint;
262 # explicitly using eq, to make sure we did not nummify the argument
263 # which can be an issue on 32 bit ivsize
264 cmp_ok ($row->bigint, 'eq', $bi, "value in object correct ($v_desc)");
266 $row->discard_changes;
271 # the test will not pass an == if we are running under 32 bit ivsize
272 # use 'eq' on the numified (and possibly "scientificied") returned value
273 (DBIx::Class::_ENV_::IV_SIZE < 8 and $v_bits > 32) ? 'eq' : '==',
275 # in 1.37 DBD::SQLite switched to proper losless representation of bigints
276 # regardless of ivize
277 # before this use 'eq' (from above) on the numified (and possibly
278 # "scientificied") returned value
279 (DBIx::Class::_ENV_::IV_SIZE < 8 and ! modver_gt_or_eq('DBD::SQLite', '1.37')) ? $bi+0 : $bi,
281 "value in database correct ($v_desc)"
284 # check if math works
285 # start by adding/subtracting a 50 bit integer, and then divide by 2 for good measure
286 my ($sqlop, $expect) = $bi < 0
287 ? ( '(bigint + ? )', ($bi + $many_bits) )
288 : ( '(bigint - ? )', ($bi - $many_bits) )
291 $expect = ($expect + ($expect % 2)) / 2;
293 # read https://en.wikipedia.org/wiki/Modulo_operation#Common_pitfalls
294 # and check the tables on the right side of the article for an
295 # enlightening journey on why a mere bigint % 2 won't work
296 $sqlop = "( $sqlop + ( ((bigint % 2)+2)%2 ) ) / 2";
298 for my $dtype (undef, \'int', \'bigint') {
300 # FIXME - the double-load should not be needed
301 # will fix in the future
302 $row->update({ bigint => $bi });
303 $row->discard_changes;
304 $row->update({ bigint => \[ $sqlop, [ $dtype => $many_bits ] ] });
305 $row->discard_changes;
307 # can't use cmp_ok - will not engage the M::BI overload of $many_bits
313 (DBIx::Class::_ENV_::IV_SIZE < 8 and ! modver_gt_or_eq('DBD::SQLite', '1.37')) ? $expect->bstr + 0 : $expect
314 , "simple integer math with@{[ $dtype ? '' : 'out' ]} bindtype in database correct (base $v_desc)")
315 or diag sprintf '%s != %s', $row->bigint, $expect;
318 is_deeply (\@w, [], "No mismatch warnings on bigint operations ($v_desc)" );