[Bast-commits] r7666 - in DBIx-Class/0.08/branches/sybase: .
lib/DBIx/Class t t/lib/DBICTest/Schema
caelum at dev.catalyst.perl.org
caelum at dev.catalyst.perl.org
Wed Sep 16 13:09:24 GMT 2009
Author: caelum
Date: 2009-09-16 13:09:23 +0000 (Wed, 16 Sep 2009)
New Revision: 7666
Modified:
DBIx-Class/0.08/branches/sybase/
DBIx-Class/0.08/branches/sybase/lib/DBIx/Class/ResultSet.pm
DBIx-Class/0.08/branches/sybase/t/60core.t
DBIx-Class/0.08/branches/sybase/t/lib/DBICTest/Schema/Artist.pm
Log:
r20647 at hlagh (orig r7659): ribasushi | 2009-09-14 12:24:44 -0400
Someone claimed this is a problem...
r20650 at hlagh (orig r7662): ribasushi | 2009-09-15 03:43:46 -0400
Warn when distinct is used with group_by
r20651 at hlagh (orig r7663): rbuels | 2009-09-15 16:45:32 -0400
doc patch, clarified warning about using find_or_create() and friends on tables with auto-increment or similar columns
r20652 at hlagh (orig r7664): rbuels | 2009-09-15 16:55:15 -0400
another doc clarification regarding auto-inc columns with find_or_create() and such functions
Property changes on: DBIx-Class/0.08/branches/sybase
___________________________________________________________________
Name: svk:merge
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bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/many_to_many:2025
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/re_refactor_bugfix:1944
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/reorganize_tests:1827
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/resultset-new-refactor:1766
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/resultset_2_electric_boogaloo:2175
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/resultset_cleanup:2102
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/sqlt_tests_refactor:2043
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/trunk/DBIx-Class:3606
fe160bb6-dc1c-0410-9f2b-d64a711b54a5:/local/DBIC-trunk-0.08:10510
Modified: DBIx-Class/0.08/branches/sybase/lib/DBIx/Class/ResultSet.pm
===================================================================
--- DBIx-Class/0.08/branches/sybase/lib/DBIx/Class/ResultSet.pm 2009-09-16 13:06:35 UTC (rev 7665)
+++ DBIx-Class/0.08/branches/sybase/lib/DBIx/Class/ResultSet.pm 2009-09-16 13:09:23 UTC (rev 7666)
@@ -2196,13 +2196,14 @@
a unique constraint that is not the primary key, or looking for
related rows.
-If you want objects to be saved immediately, use L</find_or_create> instead.
+If you want objects to be saved immediately, use L</find_or_create>
+instead.
-B<Note>: C<find_or_new> is probably not what you want when creating a
-new row in a table that uses primary keys supplied by the
-database. Passing in a primary key column with a value of I<undef>
-will cause L</find> to attempt to search for a row with a value of
-I<NULL>.
+B<Note>: Take care when using C<find_or_new> with a table having
+columns with default values that you intend to be automatically
+supplied by the database (e.g. an auto_increment primary key column).
+In normal usage, the value of such columns should NOT be included at
+all in the call to C<find_or_new>, even when set to C<undef>.
=cut
@@ -2344,11 +2345,11 @@
the find has completed and before the create has started. To avoid
this problem, use find_or_create() inside a transaction.
-B<Note>: C<find_or_create> is probably not what you want when creating
-a new row in a table that uses primary keys supplied by the
-database. Passing in a primary key column with a value of I<undef>
-will cause L</find> to attempt to search for a row with a value of
-I<NULL>.
+B<Note>: Take care when using C<find_or_create> with a table having
+columns with default values that you intend to be automatically
+supplied by the database (e.g. an auto_increment primary key column).
+In normal usage, the value of such columns should NOT be included at
+all in the call to C<find_or_create>, even when set to C<undef>.
See also L</find> and L</update_or_create>. For information on how to declare
unique constraints, see L<DBIx::Class::ResultSource/add_unique_constraint>.
@@ -2411,11 +2412,11 @@
See also L</find> and L</find_or_create>. For information on how to declare
unique constraints, see L<DBIx::Class::ResultSource/add_unique_constraint>.
-B<Note>: C<update_or_create> is probably not what you want when
-looking for a row in a table that uses primary keys supplied by the
-database, unless you actually have a key value. Passing in a primary
-key column with a value of I<undef> will cause L</find> to attempt to
-search for a row with a value of I<NULL>.
+B<Note>: Take care when using C<update_or_create> with a table having
+columns with default values that you intend to be automatically
+supplied by the database (e.g. an auto_increment primary key column).
+In normal usage, the value of such columns should NOT be included at
+all in the call to C<update_or_create>, even when set to C<undef>.
=cut
@@ -2472,8 +2473,14 @@
$cd->insert;
}
-See also L</find>, L</find_or_create> and L<find_or_new>.
+B<Note>: Take care when using C<update_or_new> with a table having
+columns with default values that you intend to be automatically
+supplied by the database (e.g. an auto_increment primary key column).
+In normal usage, the value of such columns should NOT be included at
+all in the call to C<update_or_new>, even when set to C<undef>.
+See also L</find>, L</find_or_create> and L</find_or_new>.
+
=cut
sub update_or_new {
@@ -2910,7 +2917,12 @@
# generate the distinct induced group_by early, as prefetch will be carried via a
# subquery (since a group_by is present)
if (delete $attrs->{distinct}) {
- $attrs->{group_by} ||= [ grep { !ref($_) || (ref($_) ne 'HASH') } @{$attrs->{select}} ];
+ if ($attrs->{group_by}) {
+ carp ("Useless use of distinct on a grouped resultset ('distinct' is ignored when a 'group_by' is present)");
+ }
+ else {
+ $attrs->{group_by} = [ grep { !ref($_) || (ref($_) ne 'HASH') } @{$attrs->{select}} ];
+ }
}
$attrs->{collapse} ||= {};
@@ -3529,7 +3541,8 @@
=back
-Set to 1 to group by all columns.
+Set to 1 to group by all columns. If the resultset already has a group_by
+attribute, this setting is ignored and an appropriate warning is issued.
=head2 where
Modified: DBIx-Class/0.08/branches/sybase/t/60core.t
===================================================================
--- DBIx-Class/0.08/branches/sybase/t/60core.t 2009-09-16 13:06:35 UTC (rev 7665)
+++ DBIx-Class/0.08/branches/sybase/t/60core.t 2009-09-16 13:09:23 UTC (rev 7666)
@@ -3,6 +3,7 @@
use Test::More;
use Test::Exception;
+use Test::Warn;
use lib qw(t/lib);
use DBICTest;
use DBIC::SqlMakerTest;
@@ -35,10 +36,10 @@
my %not_dirty = $art->get_dirty_columns();
is(scalar(keys(%not_dirty)), 0, 'Nothing is dirty');
-eval {
+throws_ok ( sub {
my $ret = $art->make_column_dirty('name2');
-};
-ok(defined($@), 'Failed to make non-existent column dirty');
+}, qr/No such column 'name2'/, 'Failed to make non-existent column dirty');
+
$art->make_column_dirty('name');
my %fake_dirty = $art->get_dirty_columns();
is(scalar(keys(%fake_dirty)), 1, '1 fake dirty column');
@@ -221,10 +222,10 @@
isa_ok($tdata{'last_updated_on'}, 'DateTime', 'inflated accessored column');
}
-eval { $schema->class("Track")->load_components('DoesNotExist'); };
+throws_ok (sub {
+ $schema->class("Track")->load_components('DoesNotExist');
+}, qr!Can't locate DBIx/Class/DoesNotExist.pm!, 'exception on nonexisting component');
-ok $@, $@;
-
is($schema->class("Artist")->field_name_for->{name}, 'artist name', 'mk_classdata usage ok');
my $search = [ { 'tags.tag' => 'Cheesy' }, { 'tags.tag' => 'Blue' } ];
@@ -238,6 +239,13 @@
is ($collapsed_or_rs->all, 4, 'Collapsed joined search with OR returned correct number of rows');
is ($collapsed_or_rs->count, 4, 'Collapsed search count with OR ok');
+# make sure sure distinct on a grouped rs is warned about
+my $cd_rs = $schema->resultset ('CD')
+ ->search ({}, { distinct => 1, group_by => 'title' });
+warnings_exist (sub {
+ $cd_rs->next;
+}, qr/Useless use of distinct/, 'UUoD warning');
+
{
my $tcount = $schema->resultset('Track')->search(
{},
Modified: DBIx-Class/0.08/branches/sybase/t/lib/DBICTest/Schema/Artist.pm
===================================================================
--- DBIx-Class/0.08/branches/sybase/t/lib/DBICTest/Schema/Artist.pm 2009-09-16 13:06:35 UTC (rev 7665)
+++ DBIx-Class/0.08/branches/sybase/t/lib/DBICTest/Schema/Artist.pm 2009-09-16 13:09:23 UTC (rev 7666)
@@ -30,7 +30,7 @@
},
);
__PACKAGE__->set_primary_key('artistid');
-__PACKAGE__->add_unique_constraint(['artistid']); # do not remove, part of a test
+__PACKAGE__->add_unique_constraint(artist => ['artistid']); # do not remove, part of a test
__PACKAGE__->mk_classdata('field_name_for', {
artistid => 'primary key',
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