create table table_11789106(`a` point,`b` int,`c` char(2),
primary key (`a`(1),`c`(1)), key (`b`))
character set latin2 engine=innodb;
insert into table_11789106 values (geomfromtext('point(1 1)'),'','');
Warnings:
Warning 1366 Incorrect integer value: '' for column 'b' at row 1
select `a` from table_11789106 where `b` < '1' for update;
a
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drop table table_11789106;