X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FStorage%2FDBI%2Fmysql.pm;h=90b9fe979e8f4992f3778b7de1bf707726ebf9dd;hb=ac45262b7c3b56db2c8606c4cad46aa448b1169c;hp=ec361762a26f3075cef1ebd9a9699fc01afec6b3;hpb=eeb8cfeb91eebb5bd979202c234c9facf71f0b25;p=dbsrgits%2FDBIx-Class-Historic.git

diff --git a/lib/DBIx/Class/Storage/DBI/mysql.pm b/lib/DBIx/Class/Storage/DBI/mysql.pm
index ec36176..90b9fe9 100644
--- a/lib/DBIx/Class/Storage/DBI/mysql.pm
+++ b/lib/DBIx/Class/Storage/DBI/mysql.pm
@@ -3,9 +3,27 @@ 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
+  DBIx::Class::Storage::DBI::AmbiguousGlob
+  DBIx::Class::Storage::DBI
+/;
 
-# __PACKAGE__->load_components(qw/PK::Auto/);
+__PACKAGE__->sql_maker_class('DBIx::Class::SQLAHacks::MySQL');
+
+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 connect_call_set_ansi_mode {
+  my $self = shift;
+  $self->dbh->do(q|SET sql_mode = 'ANSI,TRADITIONAL'|);
+  $self->dbh->do(q|SET sql_mode = 'ANSI,TRADITIONAL'|);
+}
 
 sub _dbh_last_insert_id {
   my ($self, $dbh, $source, $col) = @_;
@@ -34,6 +52,21 @@ 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};
+}
+
+# MySql can not do subquery update/deletes, only way is slow per-row operations.
+# This assumes you have set proper transaction isolation and use innodb.
+sub _subq_update_delete {
+  return shift->_per_row_update_delete (@_);
+}
+
 1;
 
 =head1 NAME