changed the way args are passed to a storage, should make it easier to use existing...

[dbsrgits/DBIx-Class.git] / lib / DBIx / Class / Storage / DBI.pm

diff --git a/lib/DBIx/Class/Storage/DBI.pm b/lib/DBIx/Class/Storage/DBI.pm
index d0f5b1e..212be1e 100644 (file)
--- a/lib/DBIx/Class/Storage/DBI.pm
+++ b/lib/DBIx/Class/Storage/DBI.pm
@@ -1063,6 +1063,7 @@ sub _query_start {
 
     if ( $self->debug ) {
         @bind = $self->_fix_bind_params(@bind);
+        
         $self->debugobj->query_start( $sql, @bind );
     }
 }
@@ -1287,7 +1288,9 @@ sub select_single {
   my $self = shift;
   my ($rv, $sth, @bind) = $self->_select(@_);
   my @row = $sth->fetchrow_array;
-  carp "Query returned more than one row" if $sth->fetchrow_array;
+  if(@row && $sth->fetchrow_array) {
+    carp "Query returned more than one row.  SQL that returns multiple rows is DEPRECATED for ->find and ->single";
+  }
   # Need to call finish() to work round broken DBDs
   $sth->finish();
   return @row;
@@ -1705,6 +1708,31 @@ sub build_datetime_parser {
     }
 }
 
+=head2 is_replicating
+
+A boolean that reports if a particular L<DBIx::Class::Storage::DBI> is set to
+replicate from a master database.  Default is undef, which is the result
+returned by databases that don't support replication.
+
+=cut
+
+sub is_replicating {
+    return;
+    
+}
+
+=head2 lag_behind_master
+
+Returns a number that represents a certain amount of lag behind a master db
+when a given storage is replicating.  The number is database dependent, but
+starts at zero and increases with the amount of lag. Default in undef
+
+=cut
+
+sub lag_behind_master {
+    return;
+}
+
 sub DESTROY {
   my $self = shift;
   return if !$self->_dbh;