added with_deferred_fk_checks functionality to storage

[dbsrgits/DBIx-Class.git] / lib / DBIx / Class / Storage / DBI / mysql.pm

diff --git a/lib/DBIx/Class/Storage/DBI/mysql.pm b/lib/DBIx/Class/Storage/DBI/mysql.pm
index ec36176..fa0419f 100644 (file)
--- 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};
@@ -33,6 +41,15 @@ sub _svp_rollback {
 
     $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;