Massive rewrite of bind handling, and overall simplification of ::Storage::DBI

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

diff --git a/lib/DBIx/Class/Storage/DBI/NoBindVars.pm b/lib/DBIx/Class/Storage/DBI/NoBindVars.pm
index 1ccc12e..71de5b9 100644 (file)
--- a/lib/DBIx/Class/Storage/DBI/NoBindVars.pm
+++ b/lib/DBIx/Class/Storage/DBI/NoBindVars.pm
@@ -43,69 +43,72 @@ sub _prep_for_execute {
   my ($sql, $bind) = $self->next::method(@_);
 
   # stringify bind args, quote via $dbh, and manually insert
-  #my ($op, $extra_bind, $ident, $args) = @_;
-  my $ident = $_[2];
+  #my ($op, $ident, $args) = @_;
+  my $ident = $_[1];
 
   my @sql_part = split /\?/, $sql;
   my $new_sql;
 
-  my $col_info = $self->_resolve_column_info($ident, [ map $_->[0], @$bind ]);
+  my $col_info = $self->_resolve_column_info(
+    $ident, [ map { $_->[0]{dbic_colname} || () } @$bind ]
+  );
 
-  foreach my $bound (@$bind) {
-    my $col = shift @$bound;
+  for (@$bind) {
+    my $datatype = $col_info->{ $_->[0]{dbic_colname}||'' }{data_type};
 
-    my $datatype = $col_info->{$col}{data_type};
+    my $data = (ref $_->[1]) ? "$_->[1]" : $_->[1]; # always stringify
 
-    foreach my $data (@$bound) {
-      $data = ''.$data if ref $data;
+    $data = $self->_prep_interpolated_value($datatype, $data)
+      if $datatype;
 
-      $data = $self->transform_unbound_value($datatype, $data)
-        if $datatype;
+    $data = $self->_get_dbh->quote($data)
+      unless $self->interpolate_unquoted($datatype, $data);
 
-      $data = $self->_dbh->quote($data)
-        if (!$datatype || $self->should_quote_value($datatype, $data));
-
-      $new_sql .= shift(@sql_part) . $data;
-    }
+    $new_sql .= shift(@sql_part) . $data;
   }
+
   $new_sql .= join '', @sql_part;
 
   return ($new_sql, []);
 }
 
-=head2 should_quote_value
+=head2 interpolate_unquoted
 
 This method is called by L</_prep_for_execute> for every column in
 order to determine if its value should be quoted or not. The arguments
 are the current column data type and the actual bind value. The return
-value is interpreted as: true - do quote, false - do not quote. You should
+value is interpreted as: true - do not quote, false - do quote. You should
 override this in you Storage::DBI::<database> subclass, if your RDBMS
 does not like quotes around certain datatypes (e.g. Sybase and integer
-columns). The default method always returns true (do quote).
+columns). The default method always returns false (do quote).
 
- WARNING!!!                     
+ WARNING!!!
 
  Always validate that the bind-value is valid for the current datatype.
  Otherwise you may very well open the door to SQL injection attacks.
 
-=cut                            
+=cut
 
-sub should_quote_value { 1 }
+sub interpolate_unquoted {
+  #my ($self, $datatype, $value) = @_;
+  return 0;
+}
 
-=head2 transform_unbound_value
+=head2 _prep_interpolated_value
 
 Given a datatype and the value to be inserted directly into a SQL query, returns
-the necessary SQL fragment to represent that value.
+the necessary string to represent that value (by e.g. adding a '$' sign)
 
 =cut
 
-sub transform_unbound_value { $_[2] }
+sub _prep_interpolated_value {
+  #my ($self, $datatype, $value) = @_;
+  return $_[2];
+}
 
 =head1 AUTHORS
 
-Brandon Black <blblack@gmail.com>
-
-Trym Skaar <trym@tryms.no>
+See L<DBIx::Class/CONTRIBUTORS>
 
 =head1 LICENSE