1623
1623
`v` varchar(10) DEFAULT NULL
1629
1629
t1 CREATE TEMPORARY TABLE `t1` (
1630
1630
`v` varchar(10) DEFAULT NULL,
1631
1631
`c` varchar(10) DEFAULT NULL
1633
1633
insert into t1 values('a','a'),('a ','a ');
1634
1634
select concat('*',v,'*',c,'*') from t1;