X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FStorage%2FDBI%2FNoBindVars.pm;h=9f8470263b7c7f2e4ec30b0eabf080cb25f22d84;hb=b979420a9fa5c170a4b926882051f800c132750b;hp=0c1a08300a6d2f4bdd8e21be1984588d76794be7;hpb=e3c25a1db02464754437bcebef9cf5b93b733571;p=dbsrgits%2FDBIx-Class.git diff --git a/lib/DBIx/Class/Storage/DBI/NoBindVars.pm b/lib/DBIx/Class/Storage/DBI/NoBindVars.pm index 0c1a083..9f84702 100644 --- a/lib/DBIx/Class/Storage/DBI/NoBindVars.pm +++ b/lib/DBIx/Class/Storage/DBI/NoBindVars.pm @@ -4,8 +4,7 @@ use strict; use warnings; use base 'DBIx::Class::Storage::DBI'; -use Scalar::Util (); -use Carp::Clan qw/^DBIx::Class/; +use mro 'c3'; =head1 NAME @@ -41,36 +40,32 @@ Manually subs in the values for the usual C placeholders. sub _prep_for_execute { my $self = shift; - my ($op, $extra_bind, $ident, $args) = @_; - my ($sql, $bind) = $self->next::method(@_); - # stringify args, quote via $dbh, and manually insert + # stringify bind args, quote via $dbh, and manually insert + #my ($op, $extra_bind, $ident, $args) = @_; + my $ident = $_[2]; my @sql_part = split /\?/, $sql; my $new_sql; - my $alias2src = $self->_resolve_ident_sources($ident); + my $col_info = $self->_resolve_column_info($ident, [ map $_->[0], @$bind ]); foreach my $bound (@$bind) { my $col = shift @$bound; - my $name_sep = $self->_sql_maker_opts->{name_sep} || '.'; + my $datatype = $col_info->{$col}{data_type}; - $col =~ s/^([^\Q${name_sep}\E]*)\Q${name_sep}\E//; - my $alias = $1 || 'me'; + foreach my $data (@$bound) { + $data = ''.$data if ref $data; - my $rsrc = $alias2src->{$alias}; + $data = $self->_prep_interpolated_value($datatype, $data) + if $datatype; - my $datatype = $rsrc ? $rsrc->column_info($col)->{data_type} : - '__UNKNOWN__'; + $data = $self->_dbh->quote($data) + unless $self->interpolate_unquoted($datatype, $data); - foreach my $data (@$bound) { - if(ref $data) { - $data = ''.$data; - } - $data = $self->_dbh->quote($data) if $self->should_quote_data_type($datatype, $data); - $new_sql .= shift(@sql_part) . $data; + $new_sql .= shift(@sql_part) . $data; } } $new_sql .= join '', @sql_part; @@ -78,30 +73,43 @@ sub _prep_for_execute { return ($new_sql, []); } -=head2 should_quote_data_type - +=head2 interpolate_unquoted + This method is called by L 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:: 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). - - WARNING!!! - +columns). The default method always returns false (do quote). + + 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 - -sub should_quote_data_type { 1 } -=head1 AUTHORS +=cut -Brandon Black +sub interpolate_unquoted { + #my ($self, $datatype, $value) = @_; + return 0; +} + +=head2 _prep_interpolated_value + +Given a datatype and the value to be inserted directly into a SQL query, returns +the necessary string to represent that value (by e.g. adding a '$' sign) + +=cut + +sub _prep_interpolated_value { + #my ($self, $datatype, $value) = @_; + return $_[2]; +} + +=head1 AUTHORS -Trym Skaar +See L =head1 LICENSE