Added as_sql and as_subselect as wrappers around as_query

[dbsrgits/DBIx-Class.git] / lib / DBIx / Class / ResultSet.pm

diff --git a/lib/DBIx/Class/ResultSet.pm b/lib/DBIx/Class/ResultSet.pm
index edd9bd3..f717435 100644 (file)
--- a/lib/DBIx/Class/ResultSet.pm
+++ b/lib/DBIx/Class/ResultSet.pm
@@ -1723,7 +1723,54 @@ Returns the SQL query and bind vars associated with the invocant.
 
 =cut
 
-sub as_query { return shift->cursor->as_query }
+sub as_query { return shift->cursor->as_query(@_) }
+
+=head2 as_subselect
+
+=over 4
+
+=item Arguments: none
+
+=item Return Value: \[ $sql, @bind ]
+
+=back
+
+Returns the SQL query and bind vars associated with the invocant.
+
+The SQL will be wrapped in parentheses, ready for use as a subselect.
+
+=cut
+
+sub as_subselect {
+  my $self = shift;
+  my $arr = ${$self->as_query(@_)};
+  $arr->[0] = '( ' . $arr->[0] . ' )';
+  return \$arr;
+}
+
+=head2 as_query
+
+=over 4
+
+=item Arguments: none
+
+=item Return Value: $sql
+
+=back
+
+Returns the SQL query associated with the invocant. All bind vars
+will have been bound using C<< DBI->quote() >>.
+
+=cut
+
+sub as_sql {
+  my $self = shift;
+  my $arr = ${$self->as_query(@_)};
+  my $sql = shift @$arr;
+  my $dbh = $self->result_source->schema->storage->dbh;
+  $sql =~ s/\?/$dbh->quote((shift @$arr)->[1])/eg;
+  return $sql
+}
 
 =head2 find_or_new