[BUGS] pgScript bug

[Friar]

 Hello! I've found pgScript bug:

SET @now = '2013-06-01 12:00:00.00000';
SET @now = '@now';
SELECT @now::timestamp;

This code is executed indefinitely .

pgAdmin v1.16.1 for Windows, postgres 9.2 Debian 6.0

With best regards, Konstantin