From: Rafael Kitover <rkitover@cpan.org>
Date: Sun, 26 Jul 2009 16:04:29 +0000 (+0000)
Subject: SAVEPOINT methods for MSSQL
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=4c0f4206348c9487fb0f55660e71ed9b5e150543;p=dbsrgits%2FDBIx-Class-Historic.git

SAVEPOINT methods for MSSQL
---

diff --git a/lib/DBIx/Class/Storage/DBI/MSSQL.pm b/lib/DBIx/Class/Storage/DBI/MSSQL.pm
index a03e8a3..d9cd2ee 100644
--- a/lib/DBIx/Class/Storage/DBI/MSSQL.pm
+++ b/lib/DBIx/Class/Storage/DBI/MSSQL.pm
@@ -103,6 +103,23 @@ sub _fetch_identity {
 
 sub last_insert_id { shift->_identity }
 
+# savepoint syntax is the same as in Sybase ASE
+
+sub _svp_begin {
+  my ($self, $name) = @_;
+
+  $self->dbh->do("SAVE TRANSACTION $name");
+}
+
+# A new SAVE TRANSACTION with the same name releases the previous one.
+sub _svp_release { 1 }
+
+sub _svp_rollback {
+  my ($self, $name) = @_;
+
+  $self->dbh->do("ROLLBACK TRANSACTION $name");
+}
+
 sub build_datetime_parser {
   my $self = shift;
   my $type = "DateTime::Format::Strptime";