Merge 'trunk' into 'DBIx-Class-current'

r30913@brandon-blacks-computer (orig r3263):  matthewt | 2007-05-06 11:52:36 -0500
patch from soulchild (thanks!)
r31140@brandon-blacks-computer (orig r3318):  castaway | 2007-05-17 07:56:49 -0500
Applied patch from Pedro Melo to fix order of components in the example

r31938@brandon-blacks-computer (orig r3348):  ilmari | 2007-05-21 15:23:36 -0500
Copy the working mk_hash from HashRefInflator in -current into Cookbook

r31946@brandon-blacks-computer (orig r3355):  blblack | 2007-05-21 20:21:42 -0500
connect_info should return the same data it was given

diff --cc lib/DBIx/Class/Manual/Cookbook.pod
Simple merge

diff --cc lib/DBIx/Class/Storage/DBI.pm
index 860cc36,bc66144..7e86c00
--- 1/lib/DBIx/Class/Storage/DBI.pm
--- 2/lib/DBIx/Class/Storage/DBI.pm
+++ b/lib/DBIx/Class/Storage/DBI.pm
@@@ -10,14 -10,7 +10,14 @@@ use SQL::Abstract::Limit
  use DBIx::Class::Storage::DBI::Cursor;
  use DBIx::Class::Storage::Statistics;
  use IO::File;
 -use Carp::Clan qw/DBIx::Class/;
 +use Scalar::Util 'blessed';
 +
- __PACKAGE__->mk_group_accessors(
-   'simple' =>
-     qw/_connect_info _dbh _sql_maker _sql_maker_opts _conn_pid _conn_tid
-        disable_sth_caching cursor on_connect_do transaction_depth/
++__PACKAGE__->mk_group_accessors('simple' =>
++    qw/_connect_info _dbi_connect_info _dbh _sql_maker _sql_maker_opts
++       _conn_pid _conn_tid disable_sth_caching cursor on_connect_do
++       transaction_depth/
 +);
 +
  BEGIN {
  
  package DBIC::SQL::Abstract; # Would merge upstream, but nate doesn't reply :(
@@@ -453,58 -448,6 +453,61 @@@ Examples
      ]
    );
  
 +=cut
 +
 +sub connect_info {
 +  my ($self, $info_arg) = @_;
 +
 +  return $self->_connect_info if !$info_arg;
 +
 +  # Kill sql_maker/_sql_maker_opts, so we get a fresh one with only
 +  #  the new set of options
 +  $self->_sql_maker(undef);
 +  $self->_sql_maker_opts({});
++  $self->_connect_info($info_arg);
 +
-   my $info = [ @$info_arg ]; # copy because we can alter it
-   my $last_info = $info->[-1];
++  my $dbi_info = [@$info_arg]; # copy for DBI
++  my $last_info = $dbi_info->[-1];
 +  if(ref $last_info eq 'HASH') {
 +    for my $storage_opt (qw/on_connect_do disable_sth_caching/) {
 +      if(my $value = delete $last_info->{$storage_opt}) {
 +        $self->$storage_opt($value);
 +      }
 +    }
 +    for my $sql_maker_opt (qw/limit_dialect quote_char name_sep/) {
 +      if(my $opt_val = delete $last_info->{$sql_maker_opt}) {
 +        $self->_sql_maker_opts->{$sql_maker_opt} = $opt_val;
 +      }
 +    }
 +
 +    # Get rid of any trailing empty hashref
-     pop(@$info) if !keys %$last_info;
++    pop(@$dbi_info) if !keys %$last_info;
 +  }
 +
-   if(ref $info->[0] ne 'CODE') {
++  $self->_dbi_connect_info($dbi_info);
++
++  if(ref $dbi_info->[0] ne 'CODE') {
 +      # Extend to 3 arguments with undefs, if necessary
-       while(scalar(@$info) < 3) { push(@$info, undef) }
++      while(scalar(@$dbi_info) < 3) { push(@$dbi_info, undef) }
 +
 +      # Complain if 4th argument is defined and is not a HASH
-       if(defined $info->[3] && ref $info->[3] ne 'HASH') {
++      if(defined $dbi_info->[3] && ref $dbi_info->[3] ne 'HASH') {
 +          warn "4th argument of DBI connect info is defined "
 +               . " but is not a hashref!";
 +      }
 +
 +      # Set AutoCommit to 1 if not specified manually
 +      else {
-           $info->[3] ||= {};
-           if(!defined $info->[3]->{AutoCommit}) {
-               $info->[3]->{AutoCommit} = 1;
++          $dbi_info->[3] ||= {};
++          if(!defined $dbi_info->[3]->{AutoCommit}) {
++              $dbi_info->[3]->{AutoCommit} = 1;
 +          }
 +      }
 +  }
 +
-   $self->_connect_info($info);
++  $self->_connect_info;
 +}
 +
  =head2 on_connect_do
  
  This method is deprecated in favor of setting via L</connect_info>.
@@@ -723,15 -591,43 +726,15 @@@ sub sql_maker 
    return $self->_sql_maker;
  }
  
 -sub connect_info {
 -  my ($self, $info_arg) = @_;
 -
 -  if($info_arg) {
 -    # Kill sql_maker/_sql_maker_opts, so we get a fresh one with only
 -    #  the new set of options
 -    $self->_sql_maker(undef);
 -    $self->_sql_maker_opts({});
 -    $self->_connect_info($info_arg);
 -
 -    my $dbi_info = [@$info_arg]; # copy for DBI
 -    my $last_info = $dbi_info->[-1];
 -    if(ref $last_info eq 'HASH') {
 -      if(my $on_connect_do = delete $last_info->{on_connect_do}) {
 -        $self->on_connect_do($on_connect_do);
 -      }
 -      for my $sql_maker_opt (qw/limit_dialect quote_char name_sep/) {
 -        if(my $opt_val = delete $last_info->{$sql_maker_opt}) {
 -          $self->_sql_maker_opts->{$sql_maker_opt} = $opt_val;
 -        }
 -      }
 -
 -      # Get rid of any trailing empty hashref
 -      pop(@$dbi_info) if !keys %$last_info;
 -    }
 -
 -    $self->_dbi_connect_info($dbi_info);
 -  }
 -
 -  $self->_connect_info;
 -}
 -
  sub _populate_dbh {
    my ($self) = @_;
-   my @info = @{$self->_connect_info || []};
+   my @info = @{$self->_dbi_connect_info || []};
    $self->_dbh($self->_connect(@info));
  
 +  # Always set the transaction depth on connect, since
 +  #  there is no transaction in progress by definition
 +  $self->{transaction_depth} = $self->_dbh->{AutoCommit} ? 0 : 1;
 +
    if(ref $self eq 'DBIx::Class::Storage::DBI') {
      my $driver = $self->_dbh->{Driver}->{Name};
      if ($self->load_optional_class("DBIx::Class::Storage::DBI::${driver}")) {