diff options
| author | unknown <svoj@mysql.com> | 2005-02-25 22:19:04 +0400 |
|---|---|---|
| committer | unknown <svoj@mysql.com> | 2005-02-25 22:19:04 +0400 |
| commit | d339dd13cdb7fea28bc3800328bb74fd68fb4683 (patch) | |
| tree | dacd1c6c90c80b374fbffd31ffd2a7caed5943fa /mysql-test/t/func_group.test | |
| parent | c5d4d50ab703d9b3cb087ea5e721baed6fbdab8c (diff) | |
| download | mariadb-git-d339dd13cdb7fea28bc3800328bb74fd68fb4683.tar.gz | |
BUG#3190 fix (request for STDDEV_SAMP, VAR_SAMP).
This bug is also known as WL#1639.
mysql-test/r/func_group.result:
Test case for stddev_pop, var_pop, stddev_samp, var_samp was added.
mysql-test/t/func_group.test:
Test case for stddev_pop, var_pop, stddev_samp, var_samp was added.
sql/item_sum.cc:
New functions stddev_samp and var_samp were added.
sql/item_sum.h:
New functions stddev_samp and var_samp were added.
sql/lex.h:
New functions stddev_pop, var_pop, stddev_samp and var_samp were added.
sql/sql_yacc.yy:
New functions stddev_pop, var_pop, stddev_samp and var_samp were added.
Diffstat (limited to 'mysql-test/t/func_group.test')
| -rw-r--r-- | mysql-test/t/func_group.test | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/mysql-test/t/func_group.test b/mysql-test/t/func_group.test index b6e6664d1b8..9a61e6f7029 100644 --- a/mysql-test/t/func_group.test +++ b/mysql-test/t/func_group.test @@ -514,3 +514,13 @@ insert into t3 values(1), (2); select cast(min(ifl) as decimal(5,2)) from t3; drop table t1, t2, t3; + + +# +# BUG#3190, WL#1639: Standard Deviation STDDEV - 2 different calculations +# + +CREATE TABLE t1 (id int(11),value1 float(10,2)); +INSERT INTO t1 VALUES (1,0.00),(1,1.00), (1,2.00), (2,10.00), (2,11.00), (2,12.00), (2,13.00); +select id, stddev_pop(value1), var_pop(value1), stddev_samp(value1), var_samp(value1) from t1 group by id; +DROP TABLE t1; |