X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FStorage%2FDBI%2Fmysql.pm;h=fa0419f36c642999a885d71e46ea5cde257a7406;hb=8c2453bf9013095b167b5dea2bdd3a6ad9662c19;hp=8ecdfcaa4f9b3d39c906bac78e5bd6a50f61b44d;hpb=d4f16b21abb7a541e0c44bfe3ec68309a8d722fa;p=dbsrgits%2FDBIx-Class.git

diff --git a/lib/DBIx/Class/Storage/DBI/mysql.pm b/lib/DBIx/Class/Storage/DBI/mysql.pm
index 8ecdfca..fa0419f 100644
--- a/lib/DBIx/Class/Storage/DBI/mysql.pm
+++ b/lib/DBIx/Class/Storage/DBI/mysql.pm
@@ -7,6 +7,14 @@ use base qw/DBIx::Class::Storage::DBI/;
 
 # __PACKAGE__->load_components(qw/PK::Auto/);
 
+sub with_deferred_fk_checks {
+  my ($self, $sub) = @_;
+
+  $self->dbh->do('SET foreign_key_checks=0');
+  $sub->();
+  $self->dbh->do('SET foreign_key_checks=1');
+}
+
 sub _dbh_last_insert_id {
   my ($self, $dbh, $source, $col) = @_;
   $dbh->{mysql_insertid};
@@ -16,6 +24,33 @@ sub sqlt_type {
   return 'MySQL';
 }
 
+sub _svp_begin {
+    my ($self, $name) = @_;
+
+    $self->dbh->do("SAVEPOINT $name");
+}
+
+sub _svp_release {
+    my ($self, $name) = @_;
+
+    $self->dbh->do("RELEASE SAVEPOINT $name");
+}
+
+sub _svp_rollback {
+    my ($self, $name) = @_;
+
+    $self->dbh->do("ROLLBACK TO SAVEPOINT $name")
+}
+ 
+sub is_replicating {
+    my $status = shift->dbh->selectrow_hashref('show slave status');
+    return ($status->{Slave_IO_Running} eq 'Yes') && ($status->{Slave_SQL_Running} eq 'Yes');
+}
+
+sub lag_behind_master {
+    return shift->dbh->selectrow_hashref('show slave status')->{Seconds_Behind_Master};
+}
+
 1;
 
 =head1 NAME