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Merge mysql.com:/home/timka/mysql/src/5.0-virgin

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into mysql.com:/home/timka/mysql/src/5.0-bug-11044
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2005-06-14 12:57:30 +03:00
parent c9bf30245e d87c2dd6bf
commit b1f306d0c4
3 changed files with 44 additions and 9 deletions
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18
mysql-test/r/group_min_max.result
View File

@ -1954,6 +1954,24 @@ id select_type table type possible_keys key key_len ref rows Extra
explain select sum(ord(a1)) from t1 where (a1 > 'a') group by a1,a2,b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 163 NULL 128 Using where; Using index
explain select a1 from t1 where a2 = 'b' group by a1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range NULL idx_t1_1 130 NULL 5 Using where; Using index for group-by
select a1 from t1 where a2 = 'b' group by a1;
a1
a
b
c
d
explain select distinct a1 from t1 where a2 = 'b';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range NULL idx_t1_1 130 NULL 5 Using where; Using index for group-by
select distinct a1 from t1 where a2 = 'b';
a1
a
b
c
d
drop table t1;
drop table t2;
drop table t3;

13
mysql-test/t/group_min_max.test
View File

@ -482,7 +482,6 @@ select a1,a2,b from t2 where (a2 >= 'b') and (b = 'a') group by a1,a2,b;
select a1,a2,b,c from t2 where (a2 >= 'b') and (b = 'a') and (c = 'i121') group by a1,a2,b;
select a1,a2,b from t2 where (a1 > 'a') and (a2 > 'a') and (b = 'c') group by a1,a2,b;
--
-- DISTINCT queries
--
@ -526,6 +525,7 @@ select distinct a1,a1 from t1;
select distinct a2,a1,a2,a1 from t1;
select distinct t1.a1,t2.a1 from t1,t2;
--
-- DISTINCT queries with GROUP-BY
--
@ -641,6 +641,17 @@ explain select a1,a2,count(a2) from t1 group by a1,a2,b;
explain select a1,a2,count(a2) from t1 where (a1 > 'a') group by a1,a2,b;
explain select sum(ord(a1)) from t1 where (a1 > 'a') group by a1,a2,b;
#
# BUG#11044: DISTINCT or GROUP BY queries with equality predicates instead of MIN/MAX.
#
explain select a1 from t1 where a2 = 'b' group by a1;
select a1 from t1 where a2 = 'b' group by a1;
explain select distinct a1 from t1 where a2 = 'b';
select distinct a1 from t1 where a2 = 'b';
drop table t1;
drop table t2;
drop table t3;