[Bug]: Geometry column not truncated when table is joined #20430

CREATE TABLE `t1` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `p` polygon NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB;

INSERT INTO `t1` (`p`) VALUES (ST_GeomFromText('POLYGON((45.15387153625488 41.1986026763916,45.0229434967041 41.29705238342285,43.460771560668945 41.11296272277832,43.75193977355957 40.739999771118164,43.65749549865723 40.108598709106445,44.34721565246582 40.02388954162598,44.77886390686035 39.70638465881348,45.083322525024414 39.76804542541504,45.81998634338379 39.54972267150879,46.17824745178223 38.84115028381348,46.54037666320801 38.87558937072754,46.54138374328613 39.56443977355957,45.5958194732666 39.978044509887695,46.00193977355957 40.22554969787598,45.15387153625488 41.1986026763916),(45.009992599487305 41.03305244445801,45.00111198425293 41.08888053894043,45.045270919799805 41.0352725982666,45.009992599487305 41.03305244445801),(45.19582176208496 40.99777030944824,45.24527168273926 40.97694206237793,45.22916221618652 40.96915245056152,45.19582176208496 40.99777030944824),(45.57305335998535 40.632490158081055,45.513051986694336 40.607221603393555,45.51749229431152 40.66554069519043,45.57305335998535 40.632490158081055))'));

SELECT * FROM `t1`; -- will display `p` as a link with text [GEOMETRY - 461 B]

SELECT `t1`.* FROM `t1` JOIN (SELECT 1) AS `1`; -- will display `p` as the full WKT polygon, even with `Partial texts` active