[Bast-commits] r6950 - in DBIx-Class/0.08/trunk: . lib/DBIx/Class
t/prefetch
ribasushi at dev.catalyst.perl.org
ribasushi at dev.catalyst.perl.org
Thu Jul 2 22:14:50 GMT 2009
Author: ribasushi
Date: 2009-07-02 22:14:50 +0000 (Thu, 02 Jul 2009)
New Revision: 6950
Added:
DBIx-Class/0.08/trunk/t/prefetch/incomplete.t
Modified:
DBIx-Class/0.08/trunk/
DBIx-Class/0.08/trunk/lib/DBIx/Class/ResultSource.pm
DBIx-Class/0.08/trunk/lib/DBIx/Class/Row.pm
Log:
r6360 at Thesaurus (orig r6359): arcanez | 2009-05-21 20:18:52 +0200
branch to work on prefetch/select
r6361 at Thesaurus (orig r6360): arcanez | 2009-05-21 20:32:46 +0200
failing test
r6373 at Thesaurus (orig r6372): ribasushi | 2009-05-22 11:07:26 +0200
Simplify unresolvable test by arcanez
r6905 at Thesaurus (orig r6904): ribasushi | 2009-07-01 12:54:03 +0200
Extend test
r6950 at Thesaurus (orig r6949): ribasushi | 2009-07-03 00:14:09 +0200
Apparent fix - simply delay the in_storage flagging of the main object until all prefetched objects are inflated. The rest of the changes are just cosmetics, preparing for the collapse_result rewrite
Property changes on: DBIx-Class/0.08/trunk
___________________________________________________________________
Name: svk:merge
- 168d5346-440b-0410-b799-f706be625ff1:/DBIx-Class-current:2207
462d4d0c-b505-0410-bf8e-ce8f877b3390:/local/bast/DBIx-Class:3159
4d5fae46-8e6a-4e08-abee-817e9fb894a2:/local/bast/DBIx-Class/0.08/branches/resultsetcolumn_custom_columns:5160
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9c88509d-e914-0410-b01c-b9530614cbfe:/local/DBIx-Class:32260
9c88509d-e914-0410-b01c-b9530614cbfe:/local/DBIx-Class-CDBICompat:54993
9c88509d-e914-0410-b01c-b9530614cbfe:/vendor/DBIx-Class:31122
ab17426e-7cd3-4704-a2a2-80b7c0a611bb:/local/dbic_column_attr:10946
ab17426e-7cd3-4704-a2a2-80b7c0a611bb:/local/dbic_trunk:11788
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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
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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
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462d4d0c-b505-0410-bf8e-ce8f877b3390:/local/bast/DBIx-Class:3159
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bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/unresolvable_prefetch:6949
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bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/many_to_many:2025
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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/trunk/lib/DBIx/Class/ResultSource.pm
===================================================================
--- DBIx-Class/0.08/trunk/lib/DBIx/Class/ResultSource.pm 2009-07-02 22:14:09 UTC (rev 6949)
+++ DBIx-Class/0.08/trunk/lib/DBIx/Class/ResultSource.pm 2009-07-02 22:14:50 UTC (rev 6950)
@@ -1193,7 +1193,6 @@
sub _resolve_condition {
my ($self, $cond, $as, $for) = @_;
- #warn %$cond;
if (ref $cond eq 'HASH') {
my %ret;
foreach my $k (keys %{$cond}) {
@@ -1234,7 +1233,7 @@
} elsif (ref $cond eq 'ARRAY') {
return [ map { $self->_resolve_condition($_, $as, $for) } @$cond ];
} else {
- die("Can't handle this yet :(");
+ die("Can't handle condition $cond yet :(");
}
}
Modified: DBIx-Class/0.08/trunk/lib/DBIx/Class/Row.pm
===================================================================
--- DBIx-Class/0.08/trunk/lib/DBIx/Class/Row.pm 2009-07-02 22:14:09 UTC (rev 6949)
+++ DBIx-Class/0.08/trunk/lib/DBIx/Class/Row.pm 2009-07-02 22:14:50 UTC (rev 6950)
@@ -1053,7 +1053,6 @@
my $new = {
_source_handle => $source_handle,
_column_data => $me,
- _in_storage => 1
};
bless $new, (ref $class || $class);
@@ -1065,14 +1064,25 @@
unless $pre_source;
if (ref($pre_val->[0]) eq 'ARRAY') { # multi
my @pre_objects;
- foreach my $pre_rec (@$pre_val) {
- unless ($pre_source->primary_columns == grep { exists $pre_rec->[0]{$_}
- and defined $pre_rec->[0]{$_} } $pre_source->primary_columns) {
- next;
+
+ for my $me_pref (@$pre_val) {
+
+ # the collapser currently *could* return bogus elements with all
+ # columns set to undef
+ my $has_def;
+ for (values %{$me_pref->[0]}) {
+ if (defined $_) {
+ $has_def++;
+ last;
+ }
}
- push(@pre_objects, $pre_source->result_class->inflate_result(
- $pre_source, @{$pre_rec}));
+ next unless $has_def;
+
+ push @pre_objects, $pre_source->result_class->inflate_result(
+ $pre_source, @$me_pref
+ );
}
+
$new->related_resultset($pre)->set_cache(\@pre_objects);
} elsif (defined $pre_val->[0]) {
my $fetched;
@@ -1095,6 +1105,8 @@
$new->related_resultset($pre)->set_cache([ $fetched ]);
}
}
+
+ $new->in_storage (1);
return $new;
}
Added: DBIx-Class/0.08/trunk/t/prefetch/incomplete.t
===================================================================
--- DBIx-Class/0.08/trunk/t/prefetch/incomplete.t (rev 0)
+++ DBIx-Class/0.08/trunk/t/prefetch/incomplete.t 2009-07-02 22:14:50 UTC (rev 6950)
@@ -0,0 +1,53 @@
+use strict;
+use warnings;
+
+use Test::More;
+use Test::Exception;
+use lib qw(t/lib);
+use DBICTest;
+
+plan tests => 9;
+
+my $schema = DBICTest->init_schema();
+
+lives_ok(sub {
+ # while cds.* will be selected anyway (prefetch currently forces the result of _resolve_prefetch)
+ # only the requested me.name column will be fetched.
+
+ # reference sql with select => [...]
+ # SELECT me.name, cds.title, cds.cdid, cds.artist, cds.title, cds.year, cds.genreid, cds.single_track FROM ...
+
+ my $rs = $schema->resultset('Artist')->search(
+ { 'cds.title' => { '!=', 'Generic Manufactured Singles' } },
+ {
+ prefetch => [ qw/ cds / ],
+ order_by => [ { -desc => 'me.name' }, 'cds.title' ],
+ select => [qw/ me.name cds.title / ],
+ }
+ );
+
+ is ($rs->count, 2, 'Correct number of collapsed artists');
+ my $we_are_goth = $rs->first;
+ is ($we_are_goth->name, 'We Are Goth', 'Correct first artist');
+ is ($we_are_goth->cds->count, 1, 'Correct number of CDs for first artist');
+ is ($we_are_goth->cds->first->title, 'Come Be Depressed With Us', 'Correct cd for artist');
+}, 'explicit prefetch on a keyless object works');
+
+
+lives_ok(sub {
+ # test implicit prefetch as well
+
+ my $rs = $schema->resultset('CD')->search(
+ { title => 'Generic Manufactured Singles' },
+ {
+ join=> 'artist',
+ select => [qw/ me.title artist.name / ],
+ }
+ );
+
+ my $cd = $rs->next;
+ is ($cd->title, 'Generic Manufactured Singles', 'CD title prefetched correctly');
+ isa_ok ($cd->artist, 'DBICTest::Artist');
+ is ($cd->artist->name, 'Random Boy Band', 'Artist object has correct name');
+
+}, 'implicit keyless prefetch works');
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