Bug 477459: buglist.cgi crashes for logged out users if the "Reporter" column is…

Bugzilla/DB.pm

@@ -52,7 +52,7 @@ use Storable qw(dclone);
 
 use constant BLOB_TYPE => DBI::SQL_BLOB;
 use constant ISOLATION_LEVEL => 'REPEATABLE READ';
-use constant GROUPBY_REGEXP => '(?:.*\s+AS\s+)?(\w+(\.\w+)?)(?:\s+(ASC|DESC))?$';
+use constant GROUPBY_REGEXP => '(?:.*\s+AS\s+|SUBSTRING\()?(\w+(\.\w+)?)(?:\s+(ASC|DESC|FROM\s+.+))?$';
 
 # Set default values for what used to be the enum types.  These values
 # are no longer stored in localconfig.  If we are upgrading from a

Bugzilla/DB/Oracle.pm

@@ -52,7 +52,7 @@ use base qw(Bugzilla::DB);
 use constant EMPTY_STRING  => '__BZ_EMPTY_STR__';
 use constant ISOLATION_LEVEL => 'READ COMMITTED';
 use constant BLOB_TYPE => { ora_type => ORA_BLOB };
-use constant GROUPBY_REGEXP => '((CASE\s+WHEN.+END)|(TO_CHAR\(.+\))|(\(SCORE.+\))|(\(MATCH.+\))|(\w+(\.\w+)?))(\s+AS\s+)?(.*)?$';
+use constant GROUPBY_REGEXP => '((CASE\s+WHEN.+END)|(SUBSTR.+\))|(TO_CHAR\(.+\))|(\(SCORE.+\))|(\(MATCH.+\))|(\w+(\.\w+)?))(\s+AS\s+)?(.*)?$';
 
 sub new {
     my ($class, $user, $pass, $host, $dbname, $port) = @_;