Commit b8789226 authored by unknown's avatar unknown
Browse files

A fix (bug #5540: CONCAT function and 'double' type).

parent 1afd5d4d

mysql-test/r/func_concat.result

+6 −0
Original line number Diff line number Diff line
@@ -26,3 +26,9 @@ FROM t1 GROUP BY new LIMIT 1; 
number	alpha	new

1413006	idlfmv	1413006<------------------>idlfmv

drop table t1;

create table t1 (a char(4), b double, c date, d tinyint(4));

insert into t1 values ('AAAA', 105, '2003-03-01', 1);

select * from t1 where concat(A,C,B,D) = 'AAAA2003-03-011051';

a	b	c	d

AAAA	105	2003-03-01	1

drop table t1;

mysql-test/t/func_concat.test

+9 −0
Original line number Diff line number Diff line
@@ -25,3 +25,12 @@ FROM t1 GROUP BY new LIMIT 1; 
SELECT number, alpha, CONCAT_WS('<------------------>',number,alpha) AS new

FROM t1 GROUP BY new LIMIT 1;

drop table t1;



#

# Bug #5540: a problem with double type

#



create table t1 (a char(4), b double, c date, d tinyint(4));

insert into t1 values ('AAAA', 105, '2003-03-01', 1);

select * from t1 where concat(A,C,B,D) = 'AAAA2003-03-011051';

drop table t1;

sql/item_strfunc.cc

+2 −1
Original line number Diff line number Diff line
@@ -290,6 +290,7 @@ String *Item_func_concat::val_str(String *str) 
	  str->append(*res2);

	}

        res= str;

        use_as_buff= &tmp_value;

      }

      else if (res == &tmp_value)

      {