mirror of
https://github.com/MariaDB/server.git
synced 2025-01-17 20:42:30 +01:00
433 lines
12 KiB
Text
433 lines
12 KiB
Text
drop table if exists t1,t2,t3;
|
|
create table t1 (a int);
|
|
select count(a) as b from t1 where a=0 having b > 0;
|
|
b
|
|
insert into t1 values (null);
|
|
select count(a) as b from t1 where a=0 having b > 0;
|
|
b
|
|
select count(a) as b from t1 where a=0 having b >=0;
|
|
b
|
|
0
|
|
explain extended select count(a) as b from t1 where a=0 having b >=0;
|
|
id select_type table type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
|
|
Warnings:
|
|
Note 1003 select count('0') AS `b` from `test`.`t1` where 0 having (`b` >= 0)
|
|
drop table t1;
|
|
CREATE TABLE t1 (
|
|
raw_id int(10) NOT NULL default '0',
|
|
chr_start int(10) NOT NULL default '0',
|
|
chr_end int(10) NOT NULL default '0',
|
|
raw_start int(10) NOT NULL default '0',
|
|
raw_end int(10) NOT NULL default '0',
|
|
raw_ori int(2) NOT NULL default '0'
|
|
);
|
|
INSERT INTO t1 VALUES (469713,1,164123,1,164123,1),(317330,164124,317193,101,153170,1),(469434,317194,375620,101,58527,1),(591816,375621,484273,1,108653,1),(591807,484274,534671,91,50488,1),(318885,534672,649362,101,114791,1),(318728,649363,775520,102,126259,1),(336829,775521,813997,101,38577,1),(317740,813998,953227,101,139330,1),(1,813998,953227,101,139330,1);
|
|
CREATE TABLE t2 (
|
|
id int(10) unsigned NOT NULL default '0',
|
|
contig_id int(10) unsigned NOT NULL default '0',
|
|
seq_start int(10) NOT NULL default '0',
|
|
seq_end int(10) NOT NULL default '0',
|
|
strand tinyint(2) NOT NULL default '0',
|
|
KEY id (id)
|
|
);
|
|
INSERT INTO t2 VALUES (133195,469713,61327,61384,1),(133196,469713,64113,64387,1),(133197,1,1,1,0),(133197,1,1,1,-2);
|
|
SELECT e.id,
|
|
MIN( IF(sgp.raw_ori=1,
|
|
(e.seq_start+sgp.chr_start-sgp.raw_start),
|
|
(sgp.chr_start+sgp.raw_end-e.seq_end))) as start,
|
|
MAX( IF(sgp.raw_ori=1,
|
|
(e.seq_end+sgp.chr_start-sgp.raw_start),
|
|
(sgp.chr_start+sgp.raw_end-e.seq_start))) as end,
|
|
AVG(IF (sgp.raw_ori=1,e.strand,(-e.strand))) as chr_strand
|
|
FROM t1 sgp,
|
|
t2 e
|
|
WHERE sgp.raw_id=e.contig_id
|
|
GROUP BY e.id
|
|
HAVING chr_strand= -1 and end >= 0
|
|
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
|
|
select Fld1, max(Fld2) from t1 group by Fld1 having variance(Fld2) is not null;
|
|
Fld1 max(Fld2)
|
|
1 20
|
|
3 50
|
|
drop table t1;
|
|
create table t1 (id int not null, qty int not null);
|
|
insert into t1 values (1,2),(1,3),(2,4),(2,5);
|
|
select id, sum(qty) as sqty from t1 group by id having sqty>2;
|
|
id sqty
|
|
1 5
|
|
2 9
|
|
select sum(qty) as sqty from t1 group by id having count(id) > 0;
|
|
sqty
|
|
5
|
|
9
|
|
select sum(qty) as sqty from t1 group by id having count(distinct id) > 0;
|
|
sqty
|
|
5
|
|
9
|
|
drop table t1;
|
|
CREATE TABLE t1 (
|
|
`id` bigint(20) NOT NULL default '0',
|
|
`description` text
|
|
) ENGINE=MyISAM;
|
|
CREATE TABLE t2 (
|
|
`id` bigint(20) NOT NULL default '0',
|
|
`description` varchar(20)
|
|
) ENGINE=MyISAM;
|
|
INSERT INTO t1 VALUES (1, 'test');
|
|
INSERT INTO t2 VALUES (1, 'test');
|
|
CREATE TABLE t3 (
|
|
`id` bigint(20) NOT NULL default '0',
|
|
`order_id` bigint(20) NOT NULL default '0'
|
|
) ENGINE=MyISAM;
|
|
select
|
|
a.id, a.description,
|
|
count(b.id) as c
|
|
from t1 a left join t3 b on a.id=b.order_id
|
|
group by a.id, a.description
|
|
having (a.description is not null) and (c=0);
|
|
id description c
|
|
1 test 0
|
|
select
|
|
a.*,
|
|
count(b.id) as c
|
|
from t2 a left join t3 b on a.id=b.order_id
|
|
group by a.id, a.description
|
|
having (a.description is not null) and (c=0);
|
|
id description c
|
|
1 test 0
|
|
INSERT INTO t1 VALUES (2, 'test2');
|
|
select
|
|
a.id, a.description,
|
|
count(b.id) as c
|
|
from t1 a left join t3 b on a.id=b.order_id
|
|
group by a.id, a.description
|
|
having (a.description is not null) and (c=0);
|
|
id description c
|
|
1 test 0
|
|
2 test2 0
|
|
drop table t1,t2,t3;
|
|
CREATE TABLE t1 (a int);
|
|
INSERT INTO t1 VALUES (3), (4), (1), (3), (1);
|
|
SELECT SUM(a) FROM t1 GROUP BY a HAVING SUM(a)>0;
|
|
SUM(a)
|
|
2
|
|
6
|
|
4
|
|
SELECT SUM(a) FROM t1 GROUP BY a HAVING SUM(a);
|
|
SUM(a)
|
|
2
|
|
6
|
|
4
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1 (a int);
|
|
INSERT INTO t1 VALUES (1), (2), (1), (3), (2), (1);
|
|
SELECT a FROM t1 GROUP BY a HAVING a > 1;
|
|
a
|
|
2
|
|
3
|
|
SELECT a FROM t1 GROUP BY a HAVING 1 != 1 AND a > 1;
|
|
a
|
|
SELECT 0 AS x, a FROM t1 GROUP BY x,a HAVING x=1 AND a > 1;
|
|
x a
|
|
EXPLAIN SELECT a FROM t1 GROUP BY a HAVING 1 != 1 AND a > 1;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible HAVING
|
|
EXPLAIN SELECT 0 AS x, a FROM t1 GROUP BY x,a HAVING x=1 AND a > 1;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible HAVING
|
|
DROP table t1;
|
|
CREATE TABLE t1 (a int PRIMARY KEY);
|
|
CREATE TABLE t2 (b int PRIMARY KEY, a int);
|
|
CREATE TABLE t3 (b int, flag int);
|
|
INSERT INTO t1 VALUES (1);
|
|
INSERT INTO t2 VALUES (1,1), (2,1), (3,1);
|
|
INSERT INTO t3(b,flag) VALUES (2, 1);
|
|
SELECT t1.a
|
|
FROM t1 INNER JOIN t2 ON t1.a=t2.a LEFT JOIN t3 ON t2.b=t3.b
|
|
GROUP BY t1.a, t2.b HAVING MAX(t3.flag)=0;
|
|
a
|
|
SELECT DISTINCT t1.a, MAX(t3.flag)
|
|
FROM t1 INNER JOIN t2 ON t1.a=t2.a LEFT JOIN t3 ON t2.b=t3.b
|
|
GROUP BY t1.a, t2.b HAVING MAX(t3.flag)=0;
|
|
a MAX(t3.flag)
|
|
SELECT DISTINCT t1.a
|
|
FROM t1 INNER JOIN t2 ON t1.a=t2.a LEFT JOIN t3 ON t2.b=t3.b
|
|
GROUP BY t1.a, t2.b HAVING MAX(t3.flag)=0;
|
|
a
|
|
DROP TABLE t1,t2,t3;
|
|
create table t1 (col1 int, col2 varchar(5), col_t1 int);
|
|
create table t2 (col1 int, col2 varchar(5), col_t2 int);
|
|
create table t3 (col1 int, col2 varchar(5), col_t3 int);
|
|
insert into t1 values(10,'hello',10);
|
|
insert into t1 values(20,'hello',20);
|
|
insert into t1 values(30,'hello',30);
|
|
insert into t1 values(10,'bye',10);
|
|
insert into t1 values(10,'sam',10);
|
|
insert into t1 values(10,'bob',10);
|
|
insert into t2 select * from t1;
|
|
insert into t3 select * from t1;
|
|
select count(*) from t1 group by col1 having col1 = 10;
|
|
count(*)
|
|
4
|
|
select count(*) as count_col1 from t1 group by col1 having col1 = 10;
|
|
count_col1
|
|
4
|
|
select count(*) as count_col1 from t1 as tmp1 group by col1 having col1 = 10;
|
|
count_col1
|
|
4
|
|
select count(*) from t1 group by col2 having col2 = 'hello';
|
|
count(*)
|
|
3
|
|
select count(*) from t1 group by col2 having col1 = 10;
|
|
ERROR 42S22: Unknown column 'col1' in 'having clause'
|
|
select col1 as count_col1 from t1 as tmp1 group by col1 having col1 = 10;
|
|
count_col1
|
|
10
|
|
select col1 as count_col1 from t1 as tmp1 group by col1 having count_col1 = 10;
|
|
count_col1
|
|
10
|
|
select col1 as count_col1 from t1 as tmp1 group by count_col1 having col1 = 10;
|
|
count_col1
|
|
10
|
|
select col1 as count_col1 from t1 as tmp1 group by count_col1 having count_col1 = 10;
|
|
count_col1
|
|
10
|
|
select col1 as count_col1,col2 from t1 as tmp1 group by col1,col2 having col1 = 10;
|
|
count_col1 col2
|
|
10 bob
|
|
10 bye
|
|
10 hello
|
|
10 sam
|
|
select col1 as count_col1,col2 from t1 as tmp1 group by col1,col2 having count_col1 = 10;
|
|
count_col1 col2
|
|
10 bob
|
|
10 bye
|
|
10 hello
|
|
10 sam
|
|
select col1 as count_col1,col2 from t1 as tmp1 group by col1,col2 having col2 = 'hello';
|
|
count_col1 col2
|
|
10 hello
|
|
20 hello
|
|
30 hello
|
|
select col1 as count_col1,col2 as group_col2 from t1 as tmp1 group by col1,col2 having group_col2 = 'hello';
|
|
count_col1 group_col2
|
|
10 hello
|
|
20 hello
|
|
30 hello
|
|
select sum(col1) as co12 from t1 group by col2 having col2 10;
|
|
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '10' at line 1
|
|
select sum(col1) as co2, count(col2) as cc from t1 group by col1 having col1 =10;
|
|
co2 cc
|
|
40 4
|
|
select t2.col2 from t2 group by t2.col1, t2.col2 having t1.col1 <= 10;
|
|
ERROR 42S22: Unknown column 't1.col1' in 'having clause'
|
|
select t1.col1 from t1
|
|
where t1.col2 in
|
|
(select t2.col2 from t2
|
|
group by t2.col1, t2.col2 having t2.col1 <= 10);
|
|
col1
|
|
10
|
|
20
|
|
30
|
|
10
|
|
10
|
|
10
|
|
select t1.col1 from t1
|
|
where t1.col2 in
|
|
(select t2.col2 from t2
|
|
group by t2.col1, t2.col2
|
|
having t2.col1 <=
|
|
(select min(t3.col1) from t3));
|
|
col1
|
|
10
|
|
20
|
|
30
|
|
10
|
|
10
|
|
10
|
|
select t1.col1 from t1
|
|
where t1.col2 in
|
|
(select t2.col2 from t2
|
|
group by t2.col1, t2.col2 having t1.col1 <= 10);
|
|
col1
|
|
10
|
|
10
|
|
10
|
|
10
|
|
select t1.col1 as tmp_col from t1
|
|
where t1.col2 in
|
|
(select t2.col2 from t2
|
|
group by t2.col1, t2.col2 having tmp_col <= 10);
|
|
tmp_col
|
|
10
|
|
10
|
|
10
|
|
10
|
|
select t1.col1 from t1
|
|
where t1.col2 in
|
|
(select t2.col2 from t2
|
|
group by t2.col1, t2.col2 having col_t1 <= 10);
|
|
col1
|
|
10
|
|
10
|
|
10
|
|
10
|
|
select sum(col1) from t1
|
|
group by col_t1
|
|
having (select col_t1 from t2 where col_t1 = col_t2 order by col_t2 limit 1);
|
|
sum(col1)
|
|
40
|
|
20
|
|
30
|
|
select t1.col1 from t1
|
|
where t1.col2 in
|
|
(select t2.col2 from t2
|
|
group by t2.col1, t2.col2 having col_t1 <= 10)
|
|
having col_t1 <= 20;
|
|
ERROR 42S22: Unknown column 'col_t1' in 'having clause'
|
|
select t1.col1 from t1
|
|
where t1.col2 in
|
|
(select t2.col2 from t2
|
|
group by t2.col1, t2.col2 having col_t1 <= 10)
|
|
group by col_t1
|
|
having col_t1 <= 20;
|
|
col1
|
|
10
|
|
select col_t1, sum(col1) from t1
|
|
group by col_t1
|
|
having col_t1 > 10 and
|
|
exists (select sum(t2.col1) from t2
|
|
group by t2.col2 having t2.col2 > 'b');
|
|
col_t1 sum(col1)
|
|
20 20
|
|
30 30
|
|
select sum(col1) from t1
|
|
group by col_t1
|
|
having col_t1 in (select sum(t2.col1) from t2
|
|
group by t2.col2, t2.col1 having t2.col1 = t1.col1);
|
|
ERROR 42S22: Unknown column 't1.col1' in 'having clause'
|
|
select sum(col1) from t1
|
|
group by col_t1
|
|
having col_t1 in (select sum(t2.col1) from t2
|
|
group by t2.col2, t2.col1 having t2.col1 = col_t1);
|
|
sum(col1)
|
|
40
|
|
20
|
|
30
|
|
select t1.col1, t2.col1 from t1, t2 where t1.col1 = t2.col1
|
|
group by t1.col1, t2.col1 having col1 = 2;
|
|
ERROR 23000: Column 'col1' in having clause is ambiguous
|
|
select t1.col1*10+t2.col1 from t1,t2 where t1.col1=t2.col1
|
|
group by t1.col1, t2.col1 having col1 = 2;
|
|
ERROR 23000: Column 'col1' in having clause is ambiguous
|
|
drop table t1, t2, t3;
|
|
create table t1 (s1 int);
|
|
insert into t1 values (1),(2),(3);
|
|
select count(*) from t1 group by s1 having s1 is null;
|
|
count(*)
|
|
select s1*0 as s1 from t1 group by s1 having s1 <> 0;
|
|
s1
|
|
0
|
|
0
|
|
0
|
|
Warnings:
|
|
Warning 1052 Column 's1' in group statement is ambiguous
|
|
Warning 1052 Column 's1' in having clause is ambiguous
|
|
select s1*0 from t1 group by s1 having s1 = 0;
|
|
s1*0
|
|
select s1 from t1 group by 1 having 1 = 0;
|
|
s1
|
|
select count(s1) from t1 group by s1 having count(1+1)=2;
|
|
count(s1)
|
|
select count(s1) from t1 group by s1 having s1*0=0;
|
|
count(s1)
|
|
1
|
|
1
|
|
1
|
|
select * from t1 a, t1 b group by a.s1 having s1 is null;
|
|
ERROR 23000: Column 's1' in having clause is ambiguous
|
|
drop table t1;
|
|
create table t1 (s1 char character set latin1 collate latin1_german1_ci);
|
|
insert into t1 values ('ü'),('y');
|
|
Warnings:
|
|
Warning 1265 Data truncated for column 's1' at row 1
|
|
select s1,count(s1) from t1
|
|
group by s1 collate latin1_swedish_ci having s1 = 'y';
|
|
s1 count(s1)
|
|
y 1
|
|
drop table t1;
|
|
DROP SCHEMA IF EXISTS HU;
|
|
CREATE SCHEMA HU ;
|
|
USE HU ;
|
|
CREATE TABLE STAFF
|
|
(EMPNUM CHAR(3) NOT NULL UNIQUE,
|
|
EMPNAME CHAR(20),
|
|
GRADE DECIMAL(4),
|
|
CITY CHAR(15));
|
|
CREATE TABLE PROJ
|
|
(PNUM CHAR(3) NOT NULL UNIQUE,
|
|
PNAME CHAR(20),
|
|
PTYPE CHAR(6),
|
|
BUDGET DECIMAL(9),
|
|
CITY CHAR(15));
|
|
INSERT INTO STAFF VALUES ('E1','Alice',12,'Deale');
|
|
INSERT INTO STAFF VALUES ('E2','Betty',10,'Vienna');
|
|
INSERT INTO STAFF VALUES ('E3','Carmen',13,'Vienna');
|
|
INSERT INTO STAFF VALUES ('E4','Don',12,'Deale');
|
|
INSERT INTO STAFF VALUES ('E5','Ed',13,'Akron');
|
|
INSERT INTO PROJ VALUES ('P1','MXSS','Design',10000,'Deale');
|
|
INSERT INTO PROJ VALUES ('P2','CALM','Code',30000,'Vienna');
|
|
INSERT INTO PROJ VALUES ('P3','SDP','Test',30000,'Tampa');
|
|
INSERT INTO PROJ VALUES ('P4','SDP','Design',20000,'Deale');
|
|
INSERT INTO PROJ VALUES ('P5','IRM','Test',10000,'Vienna');
|
|
INSERT INTO PROJ VALUES ('P6','PAYR','Design',50000,'Deale');
|
|
SELECT EMPNUM, GRADE*1000
|
|
FROM HU.STAFF WHERE GRADE * 1000 >
|
|
ANY (SELECT SUM(BUDGET) FROM HU.PROJ
|
|
GROUP BY CITY, PTYPE
|
|
HAVING HU.PROJ.CITY = HU.STAFF.CITY);
|
|
EMPNUM GRADE*1000
|
|
E3 13000
|
|
DROP SCHEMA HU;
|
|
USE test;
|
|
create table t1(f1 int);
|
|
select f1 from t1 having max(f1)=f1;
|
|
f1
|
|
select f1 from t1 group by f1 having max(f1)=f1;
|
|
f1
|
|
set session sql_mode='ONLY_FULL_GROUP_BY';
|
|
select f1 from t1 having max(f1)=f1;
|
|
ERROR 42000: non-grouping field 'f1' is used in HAVING clause
|
|
select f1 from t1 group by f1 having max(f1)=f1;
|
|
f1
|
|
set session sql_mode='';
|
|
drop table t1;
|
|
CREATE TABLE t1 ( a INT, b INT);
|
|
INSERT INTO t1 VALUES (1, 1), (2,2), (3, NULL);
|
|
SELECT b, COUNT(DISTINCT a) FROM t1 GROUP BY b HAVING b is NULL;
|
|
b COUNT(DISTINCT a)
|
|
NULL 1
|
|
DROP TABLE t1;
|
|
End of 5.0 tests
|