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

Browse Source 
sql/sql_acl.cc:
  Auto merged
Docs/manual.texi:
  Merge
sql/sql_select.cc:
  Merge
This commit is contained in:
unknown
2002-03-02 13:59:26 +02:00
parent 19d37eca52 ad4fcb8a01
commit df663f5072
14 changed files with 156 additions and 40 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
mysql-test/r/distinct.result
View File

@ -77,6 +77,7 @@ NULL NULL
10 VMT
select id+0 as a,max(id),concat(facility) as b from t1 group by a order by b desc,a;
a max(id) b
NULL NULL NULL
10 10 VMT
9 9 SRV
8 8 RV
@ -89,7 +90,6 @@ a max(id) b
1 1 /L
-1 -1
0 0
NULL NULL NULL
select id >= 0 and id <= 5 as grp,count(*) from t1 group by grp;
grp count(*)
0 7
@ -336,3 +336,16 @@ a c
4 NULL
3 NULL
drop table t1;
create table t1 (a char(1), key(a)) type=myisam;
insert into t1 values('1'),('1');
select * from t1 where a >= '1';
a
1
1
select distinct a from t1 order by a desc;
a
1
select distinct a from t1 where a >= '1' order by a desc;
a
1
drop table t1;

4
mysql-test/r/group_by.result
View File

@ -226,7 +226,7 @@ key (score)
INSERT INTO t1 VALUES (1,1,1),(2,2,2),(2,1,1),(3,3,3),(4,3,3),(5,3,3);
explain select userid,count(*) from t1 group by userid desc;
table type possible_keys key key_len ref rows Extra
t1 ALL NULL NULL NULL NULL 6 Using temporary
t1 ALL NULL NULL NULL NULL 6 Using temporary; Using filesort
select userid,count(*) from t1 group by userid desc;
userid count(*)
3 3
@ -244,6 +244,8 @@ spid count(*)
2 2
select spid,count(*) from t1 where spid between 1 and 2 group by spid desc;
spid count(*)
2 2
1 1
explain select sql_big_result spid,sum(userid) from t1 group by spid desc;
table type possible_keys key key_len ref rows Extra
t1 ALL NULL NULL NULL NULL 6 Using filesort

19
mysql-test/r/having.result
View File

@ -44,3 +44,22 @@ AND start <= 999660;
id start end chr_strand
133197 813898 813898 -1.0000
drop table t1,t2;
CREATE TABLE t1 (Fld1 int(11) default NULL,Fld2 int(11) default NULL);
INSERT INTO t1 VALUES (1,10),(1,20),(2,NULL),(2,NULL),(3,50);
select Fld1, max(Fld2) as q from t1 group by Fld1 having q is not null;
Fld1 q
1 20
3 50
select Fld1, max(Fld2) from t1 group by Fld1 having max(Fld2) is not null;
Fld1 max(Fld2)
1 20
3 50
select Fld1, max(Fld2) from t1 group by Fld1 having avg(Fld2) is not null;
Fld1 max(Fld2)
1 20
3 50
select Fld1, max(Fld2) from t1 group by Fld1 having std(Fld2) is not null;
Fld1 max(Fld2)
1 20
3 50
drop table t1;

11
mysql-test/t/distinct.test
View File

@ -207,3 +207,14 @@ insert into t1 (a) values (1),(2),(3),(4),(1),(2),(3),(4);
select distinct a from t1 group by b,a having a > 2 order by a desc;
select distinct a,c from t1 group by b,c,a having a > 2 order by a desc;
drop table t1;
#
# Test problem with DISTINCT and ORDER BY DESC
#
create table t1 (a char(1), key(a)) type=myisam;
insert into t1 values('1'),('1');
select * from t1 where a >= '1';
select distinct a from t1 order by a desc;
select distinct a from t1 where a >= '1' order by a desc;
drop table t1;

12
mysql-test/t/having.test
View File

@ -48,3 +48,15 @@ GROUP BY e.id
HAVING chr_strand= -1 and end >= 0
AND start <= 999660;
drop table t1,t2;
#
# Test problem with having and MAX() IS NOT NULL
#
CREATE TABLE t1 (Fld1 int(11) default NULL,Fld2 int(11) default NULL);
INSERT INTO t1 VALUES (1,10),(1,20),(2,NULL),(2,NULL),(3,50);
select Fld1, max(Fld2) as q from t1 group by Fld1 having q is not null;
select Fld1, max(Fld2) from t1 group by Fld1 having max(Fld2) is not null;
select Fld1, max(Fld2) from t1 group by Fld1 having avg(Fld2) is not null;
select Fld1, max(Fld2) from t1 group by Fld1 having std(Fld2) is not null;
drop table t1;