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[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 3368ac1..c485257 100644 (file)
--- a/lib/DBIx/Class/Storage/DBI.pm
+++ b/lib/DBIx/Class/Storage/DBI.pm
@@ -39,6 +39,8 @@ sub _find_syntax {
 sub select {
   my ($self, $table, $fields, $where, $order, @rest) = @_;
   $table = $self->_quote($table) unless ref($table);
+  local $self->{rownum_hack_count} = 1
+    if (defined $rest[0] && $self->{limit_dialect} eq 'RowNum');
   @rest = (-1) unless defined $rest[0];
   die "LIMIT 0 Does Not Compute" if $rest[0] == 0;
     # and anyway, SQL::Abstract::Limit will cause a barf if we don't first
@@ -86,7 +88,12 @@ sub _recurse_fields {
   return $$fields if $ref eq 'SCALAR';
 
   if ($ref eq 'ARRAY') {
-    return join(', ', map { $self->_recurse_fields($_) } @$fields);
+    return join(', ', map {
+      $self->_recurse_fields($_)
+      .(exists $self->{rownum_hack_count}
+         ? ' AS col'.$self->{rownum_hack_count}++
+         : '')
+     } @$fields);
   } elsif ($ref eq 'HASH') {
     foreach my $func (keys %$fields) {
       return $self->_sqlcase($func)
@@ -223,14 +230,6 @@ sub _quote {
   return $self->SUPER::_quote($label);
 }
 
-sub _RowNum {
-   my $self = shift;
-   my $c;
-   $_[0] =~ s/SELECT (.*?) FROM/
-     'SELECT '.join(', ', map { $_.' AS col'.++$c } split(', ', $1)).' FROM'/e;
-   $self->SUPER::_RowNum(@_);
-}
-
 sub limit_dialect {
     my $self = shift;
     $self->{limit_dialect} = shift if @_;
@@ -418,6 +417,9 @@ This method is deprecated in favor of setting via L</connect_info>.
 Causes SQL trace information to be emitted on the C<debugobj> object.
 (or C<STDERR> if C<debugobj> has not specifically been set).
 
+This is the equivalent to setting L</DBIC_TRACE> in your
+shell environment.
+
 =head2 debugfh
 
 Set or retrieve the filehandle used for trace/debug output.  This should be
@@ -1051,6 +1053,7 @@ sub deploy {
 #      next if($_ =~ /^DROP/m);
       next if($_ =~ /^BEGIN TRANSACTION/m);
       next if($_ =~ /^COMMIT/m);
+      next if $_ =~ /^\s+$/; # skip whitespace only
       $self->debugobj->query_start($_) if $self->debug;
       $self->dbh->do($_) or warn "SQL was:\n $_";
       $self->debugobj->query_end($_) if $self->debug;