X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FCDBICompat%2FImaDBI.pm;h=880eb9dd6d1811495294d728075d6f8ef8ef2176;hb=a28009914a3e447af53737d503b1953160d146c9;hp=37495afce5e84a686836f153ba7e11dec90ac67c;hpb=dbd7896fad83f2233729bab2cb6c12ef8369703e;p=dbsrgits%2FDBIx-Class.git diff --git a/lib/DBIx/Class/CDBICompat/ImaDBI.pm b/lib/DBIx/Class/CDBICompat/ImaDBI.pm index 37495af..880eb9d 100644 --- a/lib/DBIx/Class/CDBICompat/ImaDBI.pm +++ b/lib/DBIx/Class/CDBICompat/ImaDBI.pm @@ -1,23 +1,129 @@ -package DBIx::Class::CDBICompat::ImaDBI; +package # hide from PAUSE + DBIx::Class::CDBICompat::ImaDBI; use strict; use warnings; +use DBIx::ContextualFetch; -use NEXT; +use base qw/DBIx::Class/; + +__PACKAGE__->mk_classdata('_transform_sql_handler_order' + => [ qw/TABLE ESSENTIAL JOIN/ ] ); + +__PACKAGE__->mk_classdata('_transform_sql_handlers' => + { + 'TABLE' => + sub { + my ($self, $class, $data) = @_; + return $class->result_source_instance->name unless $data; + my ($f_class, $alias) = split(/=/, $data); + $f_class ||= $class; + $self->{_classes}{$alias} = $f_class; + return $f_class->result_source_instance->name." ${alias}"; + }, + 'ESSENTIAL' => + sub { + my ($self, $class, $data) = @_; + return join(' ', $class->columns('Essential')) unless $data; + return join(' ', $self->{_classes}{$data}->columns('Essential')); + }, + 'JOIN' => + sub { + my ($self, $class, $data) = @_; + my ($from, $to) = split(/ /, $data); + my ($from_class, $to_class) = @{$self->{_classes}}{$from, $to}; + my ($rel_obj) = grep { $_->{class} && $_->{class} eq $to_class } + map { $from_class->relationship_info($_) } + $from_class->relationships; + unless ($rel_obj) { + ($from, $to) = ($to, $from); + ($from_class, $to_class) = ($to_class, $from_class); + ($rel_obj) = grep { $_->{class} && $_->{class} eq $to_class } + map { $from_class->relationship_info($_) } + $from_class->relationships; + } + $self->throw_exception( "No relationship to JOIN from ${from_class} to ${to_class}" ) + unless $rel_obj; + my $join = $from_class->storage->sql_maker->_join_condition( + $from_class->result_source_instance->resolve_condition( + $rel_obj->{cond}, $to, $from) ); + return $join; + } + + } ); sub db_Main { - return $_[0]->_get_dbh; + return $_[0]->storage->dbh; } -sub _dbi_connect { +sub connection { my ($class, @info) = @_; $info[3] = { %{ $info[3] || {}} }; $info[3]->{RootClass} = 'DBIx::ContextualFetch'; - return $class->NEXT::_dbi_connect(@info); + return $class->next::method(@info); } sub __driver { - return $_[0]->_get_dbh->{Driver}->{Name}; + return $_[0]->storage->dbh->{Driver}->{Name}; +} + +sub set_sql { + my ($class, $name, $sql) = @_; + no strict 'refs'; + *{"${class}::sql_${name}"} = + sub { + my $sql = $sql; + my $class = shift; + return $class->storage->sth($class->transform_sql($sql, @_)); + }; + if ($sql =~ /select/i) { + my $meth = "sql_${name}"; + *{"${class}::search_${name}"} = + sub { + my ($class, @args) = @_; + my $sth = $class->$meth; + $sth->execute(@args); + return $class->sth_to_objects($sth); + }; + } +} + +sub sth_to_objects { + my ($class, $sth) = @_; + my @ret; + while (my $row = $sth->fetchrow_hashref) { + push(@ret, $class->inflate_result($class->result_source_instance, $row)); + } + return @ret; +} + +sub transform_sql { + my ($class, $sql, @args) = @_; + my $attrs = { }; + foreach my $key (@{$class->_transform_sql_handler_order}) { + my $h = $class->_transform_sql_handlers->{$key}; + $sql =~ s/__$key(?:\(([^\)]+)\))?__/$h->($attrs, $class, $1)/eg; + } + #warn $sql; + return sprintf($sql, @args); +} + +package + DBIx::ContextualFetch::st; # HIDE FROM PAUSE THIS IS NOT OUR CLASS + +no warnings 'redefine'; + +sub _untaint_execute { + my $sth = shift; + my $old_value = $sth->{Taint}; + $sth->{Taint} = 0; + my $ret; + { + no warnings 'uninitialized'; + $ret = $sth->SUPER::execute(@_); + } + $sth->{Taint} = $old_value; + return $ret; } 1;