switch to ::DBI::AutoCast

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

diff --git a/lib/DBIx/Class/Storage/DBI/Sybase/NoBindVars.pm b/lib/DBIx/Class/Storage/DBI/Sybase/NoBindVars.pm
index 1f5dfc4..02676db 100644 (file)
--- a/lib/DBIx/Class/Storage/DBI/Sybase/NoBindVars.pm
+++ b/lib/DBIx/Class/Storage/DBI/Sybase/NoBindVars.pm
@@ -5,13 +5,62 @@ use base qw/
   DBIx::Class::Storage::DBI::NoBindVars
   DBIx::Class::Storage::DBI::Sybase
 /;
+use List::Util ();
+use Scalar::Util ();
 
-sub _dbh_last_insert_id {
-  my ($self, $dbh, $source, $col) = @_;
+sub _rebless {
+  my $self = shift;
+  $self->disable_sth_caching(1);
+  $self->insert_txn(0);
+}
+
+# this works when NOT using placeholders
+sub _fetch_identity_sql { 'SELECT @@IDENTITY' }
+
+my $number = sub { Scalar::Util::looks_like_number($_[0]) };
+
+my $decimal = sub { $_[0] =~ /^ [-+]? \d+ (?:\.\d*)? \z/x };
+
+my %noquote = (
+    int => sub { $_[0] =~ /^ [-+]? \d+ \z/x },
+    bit => => sub { $_[0] =~ /^[01]\z/ },
+    money => sub { $_[0] =~ /^\$ \d+ (?:\.\d*)? \z/x },
+    float => $number,
+    real => $number,
+    double => $number,
+    decimal => $decimal,
+    numeric => $decimal,
+);
+
+sub should_quote_value {
+  my $self = shift;
+  my ($type, $value) = @_;
+
+  return $self->next::method(@_) if not defined $value or not defined $type;
 
-  # @@identity works only if not using placeholders
-  # Should this query be cached?
-  return ($dbh->selectrow_array('select @@identity'))[0];
+  if (my $key = List::Util::first { $type =~ /$_/i } keys %noquote) {
+    return 0 if $noquote{$key}->($value);
+  } elsif ($self->is_datatype_numeric($type) && $number->($value)) {
+    return 0;
+  }
+
+## try to guess based on value
+#  elsif (not $type) {
+#    return 0 if $number->($value) || $noquote->{money}->($value);
+#  }
+
+  return $self->next::method(@_);
+}
+
+sub transform_unbound_value {
+  my ($self, $type, $value) = @_;
+
+  if ($type =~ /money/i && defined $value) {
+    $value =~ s/^\$//;
+    $value = '$' . $value;
+  }
+
+  return $value;
 }
 
 1;
@@ -23,10 +72,8 @@ without placeholder support
 
 =head1 DESCRIPTION
 
-If you're using this driver than your version of Sybase does not support
-placeholders. You can check with:
-
-  $dbh->{syb_dynamic_supported}
+If you're using this driver than your version of Sybase, or the libraries you
+use to connect to it, do not support placeholders.
 
 You can also enable this driver explicitly using:
 
@@ -39,7 +86,7 @@ $sth->execute >> for details on the pros and cons of using placeholders.
 
 One advantage of not using placeholders is that C<select @@identity> will work
 for obtainging the last insert id of an C<IDENTITY> column, instead of having to
-do C<select max(col)> as the base Sybase driver does.
+do C<select max(col)> in a transaction as the base Sybase driver does.
 
 When using this driver, bind variables will be interpolated (properly quoted of
 course) into the SQL query itself, without using placeholders.