X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FStorage.pm;h=6134b39cb8f680cd35e8795c48128bde2dedbc1a;hb=4d753fb8e9f7ec28334c93f6a798e0cb0874861a;hp=9f7ed6834eefa971c8af5b1ae79309aae7d8e18a;hpb=d5dedbd62928f65a9071b4d9b6d56c6b663a073b;p=dbsrgits%2FDBIx-Class.git

diff --git a/lib/DBIx/Class/Storage.pm b/lib/DBIx/Class/Storage.pm
index 9f7ed68..6134b39 100644
--- a/lib/DBIx/Class/Storage.pm
+++ b/lib/DBIx/Class/Storage.pm
@@ -13,7 +13,7 @@ use DBIx::Class::Storage::TxnScopeGuard;
 use Try::Tiny;
 use namespace::clean;
 
-__PACKAGE__->mk_group_accessors('simple' => qw/debug debugobj schema/);
+__PACKAGE__->mk_group_accessors('simple' => qw/debug schema/);
 __PACKAGE__->mk_group_accessors('inherited' => 'cursor_class');
 
 __PACKAGE__->cursor_class('DBIx::Class::Cursor');
@@ -63,14 +63,8 @@ sub new {
   bless $new, $self;
 
   $new->set_schema($schema);
-  $new->debugobj(new DBIx::Class::Storage::Statistics());
-
-  #my $fh;
-
-  my $debug_env = $ENV{DBIX_CLASS_STORAGE_DBI_DEBUG}
-                  || $ENV{DBIC_TRACE};
-
-  $new->debug(1) if $debug_env;
+  $new->debug(1)
+    if $ENV{DBIX_CLASS_STORAGE_DBI_DEBUG} || $ENV{DBIC_TRACE};
 
   $new;
 }
@@ -122,7 +116,7 @@ Throws an exception - croaks.
 sub throw_exception {
   my $self = shift;
 
-  if ($self->schema) {
+  if (ref $self and $self->schema) {
     $self->schema->throw_exception(@_);
   }
   else {
@@ -374,6 +368,42 @@ of L<DBIx::Class::Storage::Statistics> that is compatible with the original
 method of using a coderef as a callback.  See the aforementioned Statistics
 class for more information.
 
+=cut
+
+sub debugobj {
+  my $self = shift;
+
+  if (@_) {
+    return $self->{debugobj} = $_[0];
+  }
+
+  $self->{debugobj} ||= do {
+    if (my $profile = $ENV{DBIC_TRACE_PROFILE}) {
+      require DBIx::Class::Storage::Debug::PrettyPrint;
+      if ($profile =~ /^\.?\//) {
+        require Config::Any;
+
+        my $cfg = try {
+          Config::Any->load_files({ files => [$profile], use_ext => 1 });
+        } catch {
+          # sanitize the error message a bit
+          $_ =~ s/at \s+ .+ Storage\.pm \s line \s \d+ $//x;
+          $self->throw_exception("Failure processing \$ENV{DBIC_TRACE_PROFILE}: $_");
+        };
+
+        DBIx::Class::Storage::Debug::PrettyPrint->new(values %{$cfg->[0]});
+      }
+      else {
+        DBIx::Class::Storage::Debug::PrettyPrint->new({ profile => $profile });
+      }
+    }
+    else {
+      require DBIx::Class::Storage::Statistics;
+      DBIx::Class::Storage::Statistics->new
+    }
+  };
+}
+
 =head2 debugcb
 
 Sets a callback to be executed each time a statement is run; takes a sub
@@ -487,6 +517,16 @@ created (when you call connect on your schema).  So, run-time changes
 to this environment variable will not take effect unless you also
 re-connect on your schema.
 
+=head2 DBIC_TRACE_PROFILE
+
+If C<DBIC_TRACE_PROFILE> is set, L<DBIx::Class::Storage::PrettyPrint>
+will be used to format the output from C<DBIC_TRACE>.  The value it
+is set to is the C<profile> that it will be used.  If the value is a
+filename the file is read with L<Config::Any> and the results are
+used as the configuration for tracing.  See L<SQL::Abstract::Tree/new>
+for what that structure should look like.
+
+
 =head2 DBIX_CLASS_STORAGE_DBI_DEBUG
 
 Old name for DBIC_TRACE