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Fix for bug #25834: Test failure in "func_group"

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Round the results of std() for some calls with double arguments
to avoid double math precision problems.
This commit is contained in:
ramil/ram@mysql.com/ramil.myoffice.izhnet.ru
2007-02-27 11:01:58 +04:00
parent e4700df9ed
commit fe8b1495f3
2 changed files with 18 additions and 18 deletions
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30
mysql-test/r/func_group.result
View File

@ -1180,11 +1180,11 @@ i count(*) std(s1/s2)
1 4 0.00000000
2 4 0.00000000
3 4 0.00000000
select i, count(*), std(o1/o2) from bug22555 group by i order by i;
i count(*) std(o1/o2)
1 4 0
2 4 0
3 4 0
select i, count(*), round(std(o1/o2), 16) from bug22555 group by i order by i;
i count(*) round(std(o1/o2), 16)
1 4 0.0000000000000000
2 4 0.0000000000000000
3 4 0.0000000000000000
select i, count(*), std(e1/e2) from bug22555 group by i order by i;
i count(*) std(e1/e2)
1 4 0.00000000
@ -1206,11 +1206,11 @@ i count(*) std(s1/s2)
1 4 0.000000000000000000000000000000
2 4 0.000000000000000000000000000000
3 4 0.000000000000000000000000000000
select i, count(*), std(o1/o2) from bug22555 group by i order by i;
i count(*) std(o1/o2)
1 4 0
2 4 0
3 4 0
select i, count(*), round(std(o1/o2), 16) from bug22555 group by i order by i;
i count(*) round(std(o1/o2), 16)
1 4 0.0000000000000000
2 4 0.0000000000000000
3 4 0.0000000000000000
select i, count(*), std(e1/e2) from bug22555 group by i order by i;
i count(*) std(e1/e2)
1 4 0.000000000000000000000000000000
@ -1231,11 +1231,11 @@ i count(*) std(s1/s2)
1 4 0.000000000000000000000000000000
2 4 0.000000000000000000000000000000
3 4 0.000000000000000000000000000000
select i, count(*), std(o1/o2) from bug22555 group by i order by i;
i count(*) std(o1/o2)
1 4 0
2 4 0
3 4 0
select i, count(*), round(std(o1/o2), 16) from bug22555 group by i order by i;
i count(*) round(std(o1/o2), 16)
1 4 0.0000000000000000
2 4 0.0000000000000000
3 4 0.0000000000000000
select i, count(*), std(e1/e2) from bug22555 group by i order by i;
i count(*) std(e1/e2)
1 4 0.000000000000000000000000000000

6
mysql-test/t/func_group.test
View File

@ -747,7 +747,7 @@ insert into bug22555 values (1,53,78,53,78,53,78),(2,17,78,17,78,17,78),(3,18,76
insert into bug22555 values (1,53,78,53,78,53,78),(2,17,78,17,78,17,78),(3,18,76,18,76,18,76);
select i, count(*), std(s1/s2) from bug22555 group by i order by i;
select i, count(*), std(o1/o2) from bug22555 group by i order by i;
select i, count(*), round(std(o1/o2), 16) from bug22555 group by i order by i;
select i, count(*), std(e1/e2) from bug22555 group by i order by i;
select std(s1/s2) from bug22555;
select std(o1/o2) from bug22555;
@ -755,14 +755,14 @@ select std(e1/e2) from bug22555;
set @saved_div_precision_increment=@@div_precision_increment;
set div_precision_increment=19;
select i, count(*), std(s1/s2) from bug22555 group by i order by i;
select i, count(*), std(o1/o2) from bug22555 group by i order by i;
select i, count(*), round(std(o1/o2), 16) from bug22555 group by i order by i;
select i, count(*), std(e1/e2) from bug22555 group by i order by i;
select round(std(s1/s2), 17) from bug22555;
select std(o1/o2) from bug22555;
select round(std(e1/e2), 17) from bug22555;
set div_precision_increment=20;
select i, count(*), std(s1/s2) from bug22555 group by i order by i;
select i, count(*), std(o1/o2) from bug22555 group by i order by i;
select i, count(*), round(std(o1/o2), 16) from bug22555 group by i order by i;
select i, count(*), std(e1/e2) from bug22555 group by i order by i;
select round(std(s1/s2), 17) from bug22555;
select std(o1/o2) from bug22555;