X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FStorage%2FDBI%2Fmysql.pm;h=dc7ff907fe289154037cff921b96bc3f1aa9ac59;hb=e8c31aecd4b3c6bc4686885c4474c96dd7524716;hp=962f6bdfec63a6e81cb644f858db764805d7fe6e;hpb=90d7422fc60a3bad71cc67dc20106ef68046664e;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 962f6bd..dc7ff90 100644
--- a/lib/DBIx/Class/Storage/DBI/mysql.pm
+++ b/lib/DBIx/Class/Storage/DBI/mysql.pm
@@ -3,16 +3,14 @@ package DBIx::Class::Storage::DBI::mysql;
 use strict;
 use warnings;
 
-use base qw/
-  DBIx::Class::Storage::DBI::MultiColumnIn
-  DBIx::Class::Storage::DBI
-/;
-use mro 'c3';
+use base qw/DBIx::Class::Storage::DBI/;
 
 __PACKAGE__->sql_maker_class('DBIx::Class::SQLMaker::MySQL');
 __PACKAGE__->sql_limit_dialect ('LimitXY');
 __PACKAGE__->sql_quote_char ('`');
 
+__PACKAGE__->_use_multicolumn_in (1);
+
 sub with_deferred_fk_checks {
   my ($self, $sub) = @_;
 
@@ -60,7 +58,7 @@ sub sql_maker {
     my $maker = $self->next::method (@_);
 
     # mysql 3 does not understand a bare JOIN
-    my $mysql_ver = $self->_dbh_get_info(18);
+    my $mysql_ver = $self->_dbh_get_info('SQL_DBMS_VER');
     $maker->{_default_jointype} = 'INNER' if $mysql_ver =~ /^3/;
   }
 
@@ -79,7 +77,7 @@ sub deployment_statements {
 
   if (
     ! exists $sqltargs->{producer_args}{mysql_version}
-      and 
+      and
     my $dver = $self->_server_info->{normalized_dbms_version}
   ) {
     $sqltargs->{producer_args}{mysql_version} = $dver;
@@ -115,12 +113,6 @@ sub lag_behind_master {
     return shift->_get_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