X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FStorage%2FDBI%2Fmysql.pm;h=962f6bdfec63a6e81cb644f858db764805d7fe6e;hb=696ba760d112264ea22e8b20db55987746677b81;hp=20e4f7fd834579fa65f1667f6edd6e460925bbf9;hpb=3c01add80ad3aa8bab29f0b994ce7a83a4328a4d;p=dbsrgits%2FDBIx-Class.git diff --git a/lib/DBIx/Class/Storage/DBI/mysql.pm b/lib/DBIx/Class/Storage/DBI/mysql.pm index 20e4f7f..962f6bd 100644 --- a/lib/DBIx/Class/Storage/DBI/mysql.pm +++ b/lib/DBIx/Class/Storage/DBI/mysql.pm @@ -5,12 +5,13 @@ use warnings; use base qw/ DBIx::Class::Storage::DBI::MultiColumnIn - DBIx::Class::Storage::DBI::AmbiguousGlob DBIx::Class::Storage::DBI /; use mro 'c3'; -__PACKAGE__->sql_maker_class('DBIx::Class::SQLAHacks::MySQL'); +__PACKAGE__->sql_maker_class('DBIx::Class::SQLMaker::MySQL'); +__PACKAGE__->sql_limit_dialect ('LimitXY'); +__PACKAGE__->sql_quote_char ('`'); sub with_deferred_fk_checks { my ($self, $sub) = @_; @@ -33,6 +34,24 @@ sub _dbh_last_insert_id { $dbh->{mysql_insertid}; } +# here may seem like an odd place to override, but this is the first +# method called after we are connected *and* the driver is determined +# ($self is reblessed). See code flow in ::Storage::DBI::_populate_dbh +sub _run_connection_actions { + my $self = shift; + + # default mysql_auto_reconnect to off unless explicitly set + if ( + $self->_dbh->{mysql_auto_reconnect} + and + ! exists $self->_dbic_connect_attributes->{mysql_auto_reconnect} + ) { + $self->_dbh->{mysql_auto_reconnect} = 0; + } + + $self->next::method(@_); +} + # we need to figure out what mysql version we're running sub sql_maker { my $self = shift; @@ -41,7 +60,7 @@ sub sql_maker { my $maker = $self->next::method (@_); # mysql 3 does not understand a bare JOIN - my $mysql_ver = $self->_get_dbh->get_info(18); + my $mysql_ver = $self->_dbh_get_info(18); $maker->{_default_jointype} = 'INNER' if $mysql_ver =~ /^3/; } @@ -52,22 +71,39 @@ sub sqlt_type { return 'MySQL'; } -sub _svp_begin { +sub deployment_statements { + my $self = shift; + my ($schema, $type, $version, $dir, $sqltargs, @rest) = @_; + + $sqltargs ||= {}; + + if ( + ! exists $sqltargs->{producer_args}{mysql_version} + and + my $dver = $self->_server_info->{normalized_dbms_version} + ) { + $sqltargs->{producer_args}{mysql_version} = $dver; + } + + $self->next::method($schema, $type, $version, $dir, $sqltargs, @rest); +} + +sub _exec_svp_begin { my ($self, $name) = @_; - $self->_get_dbh->do("SAVEPOINT $name"); + $self->_dbh->do("SAVEPOINT $name"); } -sub _svp_release { +sub _exec_svp_release { my ($self, $name) = @_; - $self->_get_dbh->do("RELEASE SAVEPOINT $name"); + $self->_dbh->do("RELEASE SAVEPOINT $name"); } -sub _svp_rollback { +sub _exec_svp_rollback { my ($self, $name) = @_; - $self->_get_dbh->do("ROLLBACK TO SAVEPOINT $name") + $self->_dbh->do("ROLLBACK TO SAVEPOINT $name") } sub is_replicating { @@ -100,7 +136,12 @@ C<$storage> object into this class. =head1 DESCRIPTION -This class implements MySQL specific bits of L. +This class implements MySQL specific bits of L, +like AutoIncrement column support and savepoints. Also it augments the +SQL maker to support the MySQL-specific C join type, which +you can use by specifying C<< join_type => 'straight' >> in the +L + It also provides a one-stop on-connect macro C which sets session variables such that MySQL behaves more predictably as far as the