- Storage/DBI.pm now uses Abstract internally

[dbsrgits/DBIx-Class.git] / lib / DBIx / Class / CDBICompat / ImaDBI.pm

diff --git a/lib/DBIx/Class/CDBICompat/ImaDBI.pm b/lib/DBIx/Class/CDBICompat/ImaDBI.pm
index 36f66b0..f659983 100644 (file)
--- a/lib/DBIx/Class/CDBICompat/ImaDBI.pm
+++ b/lib/DBIx/Class/CDBICompat/ImaDBI.pm
@@ -2,22 +2,70 @@ package DBIx::Class::CDBICompat::ImaDBI;
 
 use strict;
 use warnings;
+use DBIx::ContextualFetch;
 
 use NEXT;
+use base qw/Class::Data::Inheritable/;
+
+__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->_table_name unless $data;
+        my ($f_class, $alias) = split(/=/, $data);
+        $f_class ||= $class;
+        $self->{_classes}{$alias} = $f_class;
+        return $f_class->_table_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 }
+                          values %{ $from_class->_relationships };
+        unless ($rel_obj) {
+          ($from, $to) = ($to, $from);
+          ($from_class, $to_class) = ($to_class, $from_class);
+          ($rel_obj) = grep { $_->{class} && $_->{class} eq $to_class }
+                         values %{ $from_class->_relationships };
+        }
+        $self->throw( "No relationship to JOIN from ${from_class} to ${to_class}" )
+          unless $rel_obj;
+        my $attrs = {
+          %$self,
+          _aliases => { self => $from, foreign => $to },
+          _action => 'join',
+        };
+        my $join = $from_class->_cond_resolve($rel_obj->{cond}, $attrs);
+        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::connection(@info);
 }
 
 sub __driver {
-  return $_[0]->_get_dbh->{Driver}->{Name};
+  return $_[0]->storage->dbh->{Driver}->{Name};
 }
 
 sub set_sql {
@@ -29,24 +77,56 @@ sub set_sql {
     sub {
       my $sql = $sql;
       my $class = shift;
-      return $class->_sql_to_sth($class->transform_sql($sql, @_));
+      return $class->storage->sth($class->transform_sql($sql, @_));
     };
   if ($sql =~ /select/i) {
     my $meth = "sql_${name}";
     *{"${class}::search_${name}"} =
       sub {
         my ($class, @args) = @_;
-        $class->sth_to_objects($class->$meth, \@args);
+        my $sth = $class->$meth;
+        $sth->execute(@args);
+        return $class->sth_to_objects($sth);
       };
   }
 }
 
+sub sth_to_objects {
+  my ($class, $sth) = @_;
+  my @cols = $class->_select_columns;
+  my @ret;
+  while (my @row = $sth->fetchrow_array) {
+    push(@ret, $class->_row_to_object(\@cols,\@row));
+  }
+  return @ret;
+}
+
 sub transform_sql {
   my ($class, $sql, @args) = @_;
   my $table = $class->_table_name;
-  $sql =~ s/__TABLE__/$table/g;
-  $sql =~ s/__ESSENTIAL__/join(' ', $class->columns('Essential'))/eg;
+  my $attrs = { };
+  foreach my $key (@{$class->_transform_sql_handler_order}) {
+    my $h = $class->_transform_sql_handlers->{$key};
+    $sql =~ s/__$key(?:\(([^\)]+)\))?__/$h->($attrs, $class, $1)/eg;
+  }
   return sprintf($sql, @args);
 }
 
+package DBIx::ContextualFetch::st;
+
+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;