2 if ( CheckVersion( $DBversion ) ) {
3 unless ( column_exists( 'borrower_modifications', 'changed_fields' ) ) {
4 $dbh->do("ALTER TABLE borrower_modifications ADD changed_fields MEDIUMTEXT AFTER verification_token;");
6 SetVersion( $DBversion );
7 print "Upgrade to $DBversion done (Bug 23151 - Add borrower_modifications.changed_fields column)\n";