X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FStorage%2FDBI%2Fmysql.pm;h=739159370b0f6af34e12523ba47ca8ff534d3358;hb=4ce3b8511e36f3007da96e8926baacc2ed56986c;hp=2f1114bcc40e593e4832fb0e4b881aaaf71abf1a;hpb=a9f32dbced12b2b6c4f8b8a7aa142d5922350830;p=dbsrgits%2FDBIx-Class.git

diff --git a/lib/DBIx/Class/Storage/DBI/mysql.pm b/lib/DBIx/Class/Storage/DBI/mysql.pm
index 2f1114b..7391593 100644
--- a/lib/DBIx/Class/Storage/DBI/mysql.pm
+++ b/lib/DBIx/Class/Storage/DBI/mysql.pm
@@ -3,18 +3,60 @@ package DBIx::Class::Storage::DBI::mysql;
 use strict;
 use warnings;
 
-use base qw/DBIx::Class::Storage::DBI/;
+use base qw/DBIx::Class::Storage::DBI::MultiColumnIn/;
 
 # __PACKAGE__->load_components(qw/PK::Auto/);
 
-sub last_insert_id {
-  return shift->dbh_do(sub { shift->{mysql_insertid} } );
+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};
 }
 
 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};
+}
+
+# MySql can not do subquery update/deletes, only way is slow per-row operations.
+# This assumes you have proper privilege separation and use innodb.
+sub subq_update_delete {
+  return shift->_per_row_update_delete (@_);
+}
+
 1;
 
 =head1 NAME