From: Peter Rabbitson <ribasushi@cpan.org>
Date: Fri, 15 Jan 2010 00:31:58 +0000 (+0000)
Subject: Strict mysql bugfix
X-Git-Tag: v0.08116~56
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=0ce4ab92f5cb558e0f145eee2e52b8e213092045;p=dbsrgits%2FDBIx-Class.git

Strict mysql bugfix
---

diff --git a/Changes b/Changes
index a7c383b..73c424f 100644
--- a/Changes
+++ b/Changes
@@ -15,6 +15,8 @@ Revision history for DBIx::Class
           search_related from prefetching resultsets
         - Fix regression on all-null returning searches (properly switch
           LEFT JOIN to JOIN in order to distinguish between both cases)
+        - Fix regression in groupedresultset count() used on strict-mode
+          MySQL connections
         - Better isolation of RNO-limited queries from the rest of a
           prefetching resultset
         - New MSSQL specific resultset attribute to allow hacky ordered
diff --git a/lib/DBIx/Class/Storage/DBI/AmbiguousGlob.pm b/lib/DBIx/Class/Storage/DBI/AmbiguousGlob.pm
index d883d0b..2008c54 100644
--- a/lib/DBIx/Class/Storage/DBI/AmbiguousGlob.pm
+++ b/lib/DBIx/Class/Storage/DBI/AmbiguousGlob.pm
@@ -27,6 +27,9 @@ At this point the only overriden method is C<_subq_count_select()>
 
 sub _subq_count_select {
   my ($self, $source, $rs_attrs) = @_;
+
+  return $rs_attrs->{group_by} if $rs_attrs->{group_by};
+
   my @pcols = map { join '.', $rs_attrs->{alias}, $_ } ($source->primary_columns);
   return @pcols ? \@pcols : [ 1 ];
 }
diff --git a/t/71mysql.t b/t/71mysql.t
index aa2db86..b51947c 100644
--- a/t/71mysql.t
+++ b/t/71mysql.t
@@ -225,6 +225,23 @@ NULLINSEARCH: {
       => 'Nothing Found!';
 }
 
+# check for proper grouped counts
+{
+  my $ansi_schema = DBICTest::Schema->connect ($dsn, $user, $pass, { on_connect_call => 'set_strict_mode' });
+  my $rs = $ansi_schema->resultset('CD');
+
+  my $years;
+  $years->{$_->year|| scalar keys %$years}++ for $rs->all;  # NULL != NULL, thus the keys eval
+
+  lives_ok ( sub {
+    is (
+      $rs->search ({}, { group_by => 'year'})->count,
+      scalar keys %$years,
+      'grouped count correct',
+    );
+  }, 'Grouped count does not throw');
+}
+
 ZEROINSEARCH: {
   my $cds_per_year = {
     2001 => 2,