From: Peter Rabbitson <ribasushi@cpan.org>
Date: Wed, 2 Jun 2010 09:55:48 +0000 (+0000)
Subject: Do not use 2**32 directly - causes %u differences between 32 and 64bit
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=e9657379908899b73ff92948a4cd19b6f875e10f;p=dbsrgits%2FDBIx-Class-Historic.git

Do not use 2**32 directly - causes %u differences between 32 and 64bit
---

diff --git a/lib/DBIx/Class/SQLAHacks.pm b/lib/DBIx/Class/SQLAHacks.pm
index e6df357..500ce54 100644
--- a/lib/DBIx/Class/SQLAHacks.pm
+++ b/lib/DBIx/Class/SQLAHacks.pm
@@ -33,6 +33,9 @@ BEGIN {
   }
 }
 
+# the "oh noes offset/top without limit" constant
+sub __max_int { 0xFFFFFFFF };
+
 
 # Tries to determine limit dialect.
 #
diff --git a/lib/DBIx/Class/Storage/DBI.pm b/lib/DBIx/Class/Storage/DBI.pm
index 1eec464..17cb769 100644
--- a/lib/DBIx/Class/Storage/DBI.pm
+++ b/lib/DBIx/Class/Storage/DBI.pm
@@ -1937,7 +1937,7 @@ sub _select_args {
   }
   elsif (defined $attrs->{offset}) {
     # MySQL actually recommends this approach.  I cringe.
-    $attrs->{rows} = 2**32;
+    $attrs->{rows} = $sql_maker->__max_int;
   }
 
   my @limit;
diff --git a/lib/DBIx/Class/Storage/DBI/MSSQL.pm b/lib/DBIx/Class/Storage/DBI/MSSQL.pm
index 13ea644..3c6e911 100644
--- a/lib/DBIx/Class/Storage/DBI/MSSQL.pm
+++ b/lib/DBIx/Class/Storage/DBI/MSSQL.pm
@@ -162,7 +162,7 @@ sub _select_args_to_query {
     $self->throw_exception(
       'An ordered subselect encountered - this is not safe! Please see "Ordered Subselects" in DBIx::Class::Storage::DBI::MSSQL
     ') unless $attrs->{unsafe_subselect_ok};
-    my $max = 2 ** 32;
+    my $max = $self->sql_maker->__max_int;
     $sql =~ s/^ \s* SELECT \s/SELECT TOP $max /xi;
   }