database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
Code Activity

Merge rkalimullin@bk-internal.mysql.com:/home/bk/mysql-4.1-maint

Browse Source 
into  mysql.com:/home/ram/work/b19690/b19690.4.1


sql/mysql_priv.h:
  Auto merged
sql/mysqld.cc:
  Auto merged
This commit is contained in:
unknown
2007-01-31 14:47:06 +04:00
parent b44ae6480b faad73550c
commit fee0649caa
10 changed files with 177 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

71
mysql-test/r/type_float.result
View File

@ -278,4 +278,75 @@ select 1e-308, 1.00000001e-300, 100000000e-300;
select 10e307;
10e307
1e+308
create table t1(a int, b double(8, 2));
insert into t1 values
(1, 28.50), (1, 121.85), (1, 157.23), (1, 1351.00), (1, -1965.35), (1, 81.75),
(1, 217.08), (1, 7.94), (4, 96.07), (4, 6404.65), (4, -6500.72), (2, 100.00),
(5, 5.00), (5, -2104.80), (5, 2033.80), (5, 0.07), (5, 65.93),
(3, -4986.24), (3, 5.00), (3, 4857.34), (3, 123.74), (3, 0.16),
(6, -1695.31), (6, 1003.77), (6, 499.72), (6, 191.82);
explain select sum(b) s from t1 group by a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 26 Using temporary; Using filesort
select sum(b) s from t1 group by a;
s
0.00
100.00
0.00
-0.00
-0.00
0.00
select sum(b) s from t1 group by a having s <> 0;
s
100.00
select sum(b) s from t1 group by a having s <> 0 order by s;
s
100.00
select sum(b) s from t1 group by a having s <=> 0;
s
0.00
0.00
-0.00
-0.00
0.00
select sum(b) s from t1 group by a having s <=> 0 order by s;
s
-0.00
-0.00
0.00
0.00
0.00
alter table t1 add key (a, b);
explain select sum(b) s from t1 group by a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL a 14 NULL 26 Using index
select sum(b) s from t1 group by a;
s
0.00
100.00
0.00
-0.00
0.00
0.00
select sum(b) s from t1 group by a having s <> 0;
s
100.00
select sum(b) s from t1 group by a having s <> 0 order by s;
s
100.00
select sum(b) s from t1 group by a having s <=> 0;
s
0.00
0.00
-0.00
0.00
0.00
select sum(b) s from t1 group by a having s <=> 0 order by s;
s
-0.00
0.00
0.00
0.00
0.00
drop table t1;
End of 4.1 tests

25
mysql-test/t/type_float.test
View File

@ -188,4 +188,29 @@ select 1e-308, 1.00000001e-300, 100000000e-300;
# check if overflows are detected correctly
select 10e307;
#
# Bug #19690: ORDER BY eliminates rows from the result
#
create table t1(a int, b double(8, 2));
insert into t1 values
(1, 28.50), (1, 121.85), (1, 157.23), (1, 1351.00), (1, -1965.35), (1, 81.75),
(1, 217.08), (1, 7.94), (4, 96.07), (4, 6404.65), (4, -6500.72), (2, 100.00),
(5, 5.00), (5, -2104.80), (5, 2033.80), (5, 0.07), (5, 65.93),
(3, -4986.24), (3, 5.00), (3, 4857.34), (3, 123.74), (3, 0.16),
(6, -1695.31), (6, 1003.77), (6, 499.72), (6, 191.82);
explain select sum(b) s from t1 group by a;
select sum(b) s from t1 group by a;
select sum(b) s from t1 group by a having s <> 0;
select sum(b) s from t1 group by a having s <> 0 order by s;
select sum(b) s from t1 group by a having s <=> 0;
select sum(b) s from t1 group by a having s <=> 0 order by s;
alter table t1 add key (a, b);
explain select sum(b) s from t1 group by a;
select sum(b) s from t1 group by a;
select sum(b) s from t1 group by a having s <> 0;
select sum(b) s from t1 group by a having s <> 0 order by s;
select sum(b) s from t1 group by a having s <=> 0;
select sum(b) s from t1 group by a having s <=> 0 order by s;
drop table t1;
--echo End of 4.1 tests