Switch to C3 mro throughout the ::Storage hierarchy (DBIx::Class brings in MRO::Compa...

[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 fa0419f..0eb53d2 100644 (file)
--- a/lib/DBIx/Class/Storage/DBI/mysql.pm
+++ b/lib/DBIx/Class/Storage/DBI/mysql.pm
@@ -3,9 +3,14 @@ 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
+/;
+use mro 'c3';
 
-# __PACKAGE__->load_components(qw/PK::Auto/);
+__PACKAGE__->sql_maker_class('DBIx::Class::SQLAHacks::MySQL');
 
 sub with_deferred_fk_checks {
   my ($self, $sub) = @_;
@@ -15,6 +20,12 @@ sub with_deferred_fk_checks {
   $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) = @_;
   $dbh->{mysql_insertid};
@@ -41,7 +52,7 @@ 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');
@@ -51,6 +62,12 @@ 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