1
create table bug47777(c2 linestring not null, primary key (c2(1))) engine=innodb;
2
insert into bug47777 values (geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)'));
3
select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)');
6
update bug47777 set c2=GeomFromText('POINT(1 1)');
7
select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)');
10
select count(*) from bug47777 where c2 = GeomFromText('POINT(1 1)');