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

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ram@gw.mysql.r18.ru
2004-09-15 15:13:17 +05:00
parent 1dd895d4e1
commit b3dc9f65b0
3 changed files with 17 additions and 1 deletions
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6
mysql-test/r/func_concat.result
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@ -26,3 +26,9 @@ FROM t1 GROUP BY new LIMIT 1;
number alpha new number alpha new
1413006 idlfmv 1413006<------------------>idlfmv 1413006 idlfmv 1413006<------------------>idlfmv
drop table t1; 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;

9
mysql-test/t/func_concat.test
View File

@ -25,3 +25,12 @@ FROM t1 GROUP BY new LIMIT 1;
SELECT number, alpha, CONCAT_WS('<------------------>',number,alpha) AS new SELECT number, alpha, CONCAT_WS('<------------------>',number,alpha) AS new
FROM t1 GROUP BY new LIMIT 1; FROM t1 GROUP BY new LIMIT 1;
drop table t1; 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;

1
sql/item_strfunc.cc
View File

@ -290,6 +290,7 @@ String *Item_func_concat::val_str(String *str)
str->append(*res2); str->append(*res2);
} }
res= str; res= str;
use_as_buff= &tmp_value;
} }
else if (res == &tmp_value) else if (res == &tmp_value)
{ {