571 lines
16 KiB
Plaintext
571 lines
16 KiB
Plaintext
drop table if exists t1,t2,t3;
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create table t1 (a int);
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select count(a) as b from t1 where a=0 having b > 0;
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b
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insert into t1 values (null);
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select count(a) as b from t1 where a=0 having b > 0;
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b
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select count(a) as b from t1 where a=0 having b >=0;
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b
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0
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explain extended select count(a) as b from t1 where a=0 having b >=0;
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
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Warnings:
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Note 1003 select count(NULL) AS `b` from `test`.`t1` where 0 having (`b` >= 0)
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drop table t1;
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CREATE TABLE t1 (
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raw_id int(10) NOT NULL default '0',
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chr_start int(10) NOT NULL default '0',
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chr_end int(10) NOT NULL default '0',
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raw_start int(10) NOT NULL default '0',
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raw_end int(10) NOT NULL default '0',
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raw_ori int(2) NOT NULL default '0'
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);
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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);
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CREATE TABLE t2 (
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id int(10) unsigned NOT NULL default '0',
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contig_id int(10) unsigned NOT NULL default '0',
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seq_start int(10) NOT NULL default '0',
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seq_end int(10) NOT NULL default '0',
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strand tinyint(2) NOT NULL default '0',
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KEY id (id)
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);
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INSERT INTO t2 VALUES (133195,469713,61327,61384,1),(133196,469713,64113,64387,1),(133197,1,1,1,0),(133197,1,1,1,-2);
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SELECT e.id,
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MIN( IF(sgp.raw_ori=1,
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(e.seq_start+sgp.chr_start-sgp.raw_start),
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(sgp.chr_start+sgp.raw_end-e.seq_end))) as start,
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MAX( IF(sgp.raw_ori=1,
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(e.seq_end+sgp.chr_start-sgp.raw_start),
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(sgp.chr_start+sgp.raw_end-e.seq_start))) as end,
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AVG(IF (sgp.raw_ori=1,e.strand,(-e.strand))) as chr_strand
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FROM t1 sgp,
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t2 e
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WHERE sgp.raw_id=e.contig_id
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GROUP BY e.id
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HAVING chr_strand= -1 and end >= 0
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AND start <= 999660;
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id start end chr_strand
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133197 813898 813898 -1.0000
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drop table t1,t2;
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CREATE TABLE t1 (Fld1 int(11) default NULL,Fld2 int(11) default NULL);
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INSERT INTO t1 VALUES (1,10),(1,20),(2,NULL),(2,NULL),(3,50);
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select Fld1, max(Fld2) as q from t1 group by Fld1 having q is not null;
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Fld1 q
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1 20
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3 50
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select Fld1, max(Fld2) from t1 group by Fld1 having max(Fld2) is not null;
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Fld1 max(Fld2)
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1 20
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3 50
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select Fld1, max(Fld2) from t1 group by Fld1 having avg(Fld2) is not null;
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Fld1 max(Fld2)
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1 20
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3 50
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select Fld1, max(Fld2) from t1 group by Fld1 having std(Fld2) is not null;
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Fld1 max(Fld2)
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1 20
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3 50
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select Fld1, max(Fld2) from t1 group by Fld1 having variance(Fld2) is not null;
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Fld1 max(Fld2)
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1 20
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3 50
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drop table t1;
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create table t1 (id int not null, qty int not null);
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insert into t1 values (1,2),(1,3),(2,4),(2,5);
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select id, sum(qty) as sqty from t1 group by id having sqty>2;
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id sqty
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1 5
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2 9
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select sum(qty) as sqty from t1 group by id having count(id) > 0;
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sqty
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5
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9
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select sum(qty) as sqty from t1 group by id having count(distinct id) > 0;
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sqty
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5
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9
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drop table t1;
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CREATE TABLE t1 (
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`id` bigint(20) NOT NULL default '0',
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`description` text
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) ENGINE=MyISAM;
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CREATE TABLE t2 (
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`id` bigint(20) NOT NULL default '0',
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`description` varchar(20)
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) ENGINE=MyISAM;
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INSERT INTO t1 VALUES (1, 'test');
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INSERT INTO t2 VALUES (1, 'test');
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CREATE TABLE t3 (
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`id` bigint(20) NOT NULL default '0',
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`order_id` bigint(20) NOT NULL default '0'
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) ENGINE=MyISAM;
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select
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a.id, a.description,
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count(b.id) as c
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from t1 a left join t3 b on a.id=b.order_id
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group by a.id, a.description
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having (a.description is not null) and (c=0);
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id description c
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1 test 0
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select
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a.*,
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count(b.id) as c
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from t2 a left join t3 b on a.id=b.order_id
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group by a.id, a.description
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having (a.description is not null) and (c=0);
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id description c
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1 test 0
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INSERT INTO t1 VALUES (2, 'test2');
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select
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a.id, a.description,
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count(b.id) as c
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from t1 a left join t3 b on a.id=b.order_id
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group by a.id, a.description
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having (a.description is not null) and (c=0);
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id description c
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1 test 0
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2 test2 0
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drop table t1,t2,t3;
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CREATE TABLE t1 (a int);
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INSERT INTO t1 VALUES (3), (4), (1), (3), (1);
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SELECT SUM(a) FROM t1 GROUP BY a HAVING SUM(a)>0;
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SUM(a)
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2
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6
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4
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SELECT SUM(a) FROM t1 GROUP BY a HAVING SUM(a);
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SUM(a)
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2
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6
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4
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DROP TABLE t1;
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CREATE TABLE t1 (a int);
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INSERT INTO t1 VALUES (1), (2), (1), (3), (2), (1);
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SELECT a FROM t1 GROUP BY a HAVING a > 1;
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a
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2
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3
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SELECT a FROM t1 GROUP BY a HAVING 1 != 1 AND a > 1;
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a
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SELECT 0 AS x, a FROM t1 GROUP BY x,a HAVING x=1 AND a > 1;
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x a
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EXPLAIN SELECT a FROM t1 GROUP BY a HAVING 1 != 1 AND a > 1;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible HAVING
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EXPLAIN SELECT 0 AS x, a FROM t1 GROUP BY x,a HAVING x=1 AND a > 1;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible HAVING
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DROP table t1;
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CREATE TABLE t1 (a int PRIMARY KEY);
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CREATE TABLE t2 (b int PRIMARY KEY, a int);
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CREATE TABLE t3 (b int, flag int);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t2 VALUES (1,1), (2,1), (3,1);
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INSERT INTO t3(b,flag) VALUES (2, 1);
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SELECT t1.a
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FROM t1 INNER JOIN t2 ON t1.a=t2.a LEFT JOIN t3 ON t2.b=t3.b
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GROUP BY t1.a, t2.b HAVING MAX(t3.flag)=0;
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a
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SELECT DISTINCT t1.a, MAX(t3.flag)
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FROM t1 INNER JOIN t2 ON t1.a=t2.a LEFT JOIN t3 ON t2.b=t3.b
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GROUP BY t1.a, t2.b HAVING MAX(t3.flag)=0;
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a MAX(t3.flag)
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SELECT DISTINCT t1.a
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FROM t1 INNER JOIN t2 ON t1.a=t2.a LEFT JOIN t3 ON t2.b=t3.b
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GROUP BY t1.a, t2.b HAVING MAX(t3.flag)=0;
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a
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DROP TABLE t1,t2,t3;
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create table t1 (col1 int, col2 varchar(5), col_t1 int);
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create table t2 (col1 int, col2 varchar(5), col_t2 int);
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create table t3 (col1 int, col2 varchar(5), col_t3 int);
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insert into t1 values(10,'hello',10);
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insert into t1 values(20,'hello',20);
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insert into t1 values(30,'hello',30);
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insert into t1 values(10,'bye',10);
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insert into t1 values(10,'sam',10);
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insert into t1 values(10,'bob',10);
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insert into t2 select * from t1;
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insert into t3 select * from t1;
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select count(*) from t1 group by col1 having col1 = 10;
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count(*)
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4
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select count(*) as count_col1 from t1 group by col1 having col1 = 10;
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count_col1
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4
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select count(*) as count_col1 from t1 as tmp1 group by col1 having col1 = 10;
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count_col1
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4
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select count(*) from t1 group by col2 having col2 = 'hello';
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count(*)
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3
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select count(*) from t1 group by col2 having col1 = 10;
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ERROR 42S22: Unknown column 'col1' in 'having clause'
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select col1 as count_col1 from t1 as tmp1 group by col1 having col1 = 10;
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count_col1
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10
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select col1 as count_col1 from t1 as tmp1 group by col1 having count_col1 = 10;
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count_col1
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10
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select col1 as count_col1 from t1 as tmp1 group by count_col1 having col1 = 10;
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count_col1
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10
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select col1 as count_col1 from t1 as tmp1 group by count_col1 having count_col1 = 10;
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count_col1
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10
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select col1 as count_col1,col2 from t1 as tmp1 group by col1,col2 having col1 = 10;
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count_col1 col2
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10 bob
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10 bye
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10 hello
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10 sam
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select col1 as count_col1,col2 from t1 as tmp1 group by col1,col2 having count_col1 = 10;
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count_col1 col2
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10 bob
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10 bye
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10 hello
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10 sam
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select col1 as count_col1,col2 from t1 as tmp1 group by col1,col2 having col2 = 'hello';
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count_col1 col2
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10 hello
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20 hello
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30 hello
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select col1 as count_col1,col2 as group_col2 from t1 as tmp1 group by col1,col2 having group_col2 = 'hello';
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count_col1 group_col2
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10 hello
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20 hello
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30 hello
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select sum(col1) as co12 from t1 group by col2 having col2 10;
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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
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select sum(col1) as co2, count(col2) as cc from t1 group by col1 having col1 =10;
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co2 cc
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40 4
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select t2.col2 from t2 group by t2.col1, t2.col2 having t1.col1 <= 10;
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ERROR 42S22: Unknown column 't1.col1' in 'having clause'
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select t1.col1 from t1
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where t1.col2 in
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(select t2.col2 from t2
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group by t2.col1, t2.col2 having t2.col1 <= 10);
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col1
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10
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20
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30
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10
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10
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10
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select t1.col1 from t1
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where t1.col2 in
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(select t2.col2 from t2
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group by t2.col1, t2.col2
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having t2.col1 <=
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(select min(t3.col1) from t3));
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col1
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10
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20
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30
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10
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10
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10
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select t1.col1 from t1
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where t1.col2 in
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(select t2.col2 from t2
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group by t2.col1, t2.col2 having t1.col1 <= 10);
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col1
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10
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10
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10
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10
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select t1.col1 as tmp_col from t1
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where t1.col2 in
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(select t2.col2 from t2
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group by t2.col1, t2.col2 having tmp_col <= 10);
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tmp_col
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10
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10
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10
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10
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select t1.col1 from t1
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where t1.col2 in
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(select t2.col2 from t2
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group by t2.col1, t2.col2 having col_t1 <= 10);
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col1
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10
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10
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10
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10
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select sum(col1) from t1
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group by col_t1
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having (select col_t1 from t2 where col_t1 = col_t2 order by col_t2 limit 1);
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sum(col1)
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40
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20
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30
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select t1.col1 from t1
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where t1.col2 in
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(select t2.col2 from t2
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group by t2.col1, t2.col2 having col_t1 <= 10)
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having col_t1 <= 20;
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ERROR 42S22: Unknown column 'col_t1' in 'having clause'
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select t1.col1 from t1
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where t1.col2 in
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(select t2.col2 from t2
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group by t2.col1, t2.col2 having col_t1 <= 10)
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group by col_t1
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having col_t1 <= 20;
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col1
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10
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select col_t1, sum(col1) from t1
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group by col_t1
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having col_t1 > 10 and
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exists (select sum(t2.col1) from t2
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group by t2.col2 having t2.col2 > 'b');
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col_t1 sum(col1)
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20 20
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30 30
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select sum(col1) from t1
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group by col_t1
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having col_t1 in (select sum(t2.col1) from t2
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group by t2.col2, t2.col1 having t2.col1 = t1.col1);
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ERROR 42S22: Unknown column 't1.col1' in 'having clause'
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select sum(col1) from t1
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group by col_t1
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having col_t1 in (select sum(t2.col1) from t2
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group by t2.col2, t2.col1 having t2.col1 = col_t1);
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sum(col1)
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40
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20
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30
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select t1.col1, t2.col1 from t1, t2 where t1.col1 = t2.col1
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group by t1.col1, t2.col1 having col1 = 2;
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ERROR 23000: Column 'col1' in having clause is ambiguous
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select t1.col1*10+t2.col1 from t1,t2 where t1.col1=t2.col1
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group by t1.col1, t2.col1 having col1 = 2;
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ERROR 23000: Column 'col1' in having clause is ambiguous
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drop table t1, t2, t3;
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create table t1 (s1 int);
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insert into t1 values (1),(2),(3);
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select count(*) from t1 group by s1 having s1 is null;
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count(*)
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select s1*0 as s1 from t1 group by s1 having s1 <> 0;
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s1
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0
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0
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0
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Warnings:
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Warning 1052 Column 's1' in group statement is ambiguous
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Warning 1052 Column 's1' in having clause is ambiguous
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select s1*0 from t1 group by s1 having s1 = 0;
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s1*0
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select s1 from t1 group by 1 having 1 = 0;
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s1
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select count(s1) from t1 group by s1 having count(1+1)=2;
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count(s1)
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select count(s1) from t1 group by s1 having s1*0=0;
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count(s1)
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1
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1
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1
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select * from t1 a, t1 b group by a.s1 having s1 is null;
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ERROR 23000: Column 's1' in having clause is ambiguous
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drop table t1;
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create table t1 (s1 char character set latin1 collate latin1_german1_ci);
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insert into t1 values ('ü'),('y');
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Warnings:
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Warning 1265 Data truncated for column 's1' at row 1
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select s1,count(s1) from t1
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group by s1 collate latin1_swedish_ci having s1 = 'y';
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s1 count(s1)
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y 1
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drop table t1;
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DROP SCHEMA IF EXISTS HU;
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CREATE SCHEMA HU ;
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USE HU ;
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CREATE TABLE STAFF
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(EMPNUM CHAR(3) NOT NULL UNIQUE,
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EMPNAME CHAR(20),
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GRADE DECIMAL(4),
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CITY CHAR(15));
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CREATE TABLE PROJ
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(PNUM CHAR(3) NOT NULL UNIQUE,
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PNAME CHAR(20),
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PTYPE CHAR(6),
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BUDGET DECIMAL(9),
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CITY CHAR(15));
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INSERT INTO STAFF VALUES ('E1','Alice',12,'Deale');
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INSERT INTO STAFF VALUES ('E2','Betty',10,'Vienna');
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INSERT INTO STAFF VALUES ('E3','Carmen',13,'Vienna');
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INSERT INTO STAFF VALUES ('E4','Don',12,'Deale');
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INSERT INTO STAFF VALUES ('E5','Ed',13,'Akron');
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INSERT INTO PROJ VALUES ('P1','MXSS','Design',10000,'Deale');
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INSERT INTO PROJ VALUES ('P2','CALM','Code',30000,'Vienna');
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INSERT INTO PROJ VALUES ('P3','SDP','Test',30000,'Tampa');
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INSERT INTO PROJ VALUES ('P4','SDP','Design',20000,'Deale');
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INSERT INTO PROJ VALUES ('P5','IRM','Test',10000,'Vienna');
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INSERT INTO PROJ VALUES ('P6','PAYR','Design',50000,'Deale');
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SELECT EMPNUM, GRADE*1000
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FROM HU.STAFF WHERE GRADE * 1000 >
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ANY (SELECT SUM(BUDGET) FROM HU.PROJ
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GROUP BY CITY, PTYPE
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HAVING HU.PROJ.CITY = HU.STAFF.CITY);
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EMPNUM GRADE*1000
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E3 13000
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DROP SCHEMA HU;
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USE test;
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create table t1(f1 int);
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select f1 from t1 having max(f1)=f1;
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f1
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select f1 from t1 group by f1 having max(f1)=f1;
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f1
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set session sql_mode='ONLY_FULL_GROUP_BY';
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select f1 from t1 having max(f1)=f1;
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ERROR 42000: non-grouping field 'f1' is used in HAVING clause
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select f1 from t1 group by f1 having max(f1)=f1;
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f1
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set session sql_mode='';
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drop table t1;
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CREATE TABLE t1 ( a INT, b INT);
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INSERT INTO t1 VALUES (1, 1), (2,2), (3, NULL);
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SELECT b, COUNT(DISTINCT a) FROM t1 GROUP BY b HAVING b is NULL;
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b COUNT(DISTINCT a)
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NULL 1
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DROP TABLE t1;
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#
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# Bug#50995 Having clause on subquery result produces incorrect results.
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#
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CREATE TABLE t1
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(
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id1 INT,
|
|
id2 INT NOT NULL,
|
|
INDEX id1(id2)
|
|
);
|
|
INSERT INTO t1 SET id1=1, id2=1;
|
|
INSERT INTO t1 SET id1=2, id2=1;
|
|
INSERT INTO t1 SET id1=3, id2=1;
|
|
SELECT t1.id1,
|
|
(SELECT 0 FROM DUAL
|
|
WHERE t1.id1=t1.id1) AS amount FROM t1
|
|
WHERE t1.id2 = 1
|
|
HAVING amount > 0
|
|
ORDER BY t1.id1;
|
|
id1 amount
|
|
DROP TABLE t1;
|
|
#
|
|
# Bug#48916 Server incorrectly processing HAVING clauses with an ORDER BY clause
|
|
#
|
|
CREATE TABLE t1 (f1 INT PRIMARY KEY, f2 INT, f3 INT);
|
|
INSERT INTO t1 VALUES (2,7,9), (4,7,9), (6,2,9), (17,0,9);
|
|
SELECT table1.f1, table2.f2
|
|
FROM t1 AS table1
|
|
JOIN t1 AS table2 ON table1.f3 = table2.f3
|
|
WHERE table2.f1 = 2
|
|
GROUP BY table1.f1, table2.f2
|
|
HAVING (table2.f2 = 8 AND table1.f1 >= 6);
|
|
f1 f2
|
|
EXPLAIN EXTENDED
|
|
SELECT table1.f1, table2.f2
|
|
FROM t1 AS table1
|
|
JOIN t1 AS table2 ON table1.f3 = table2.f3
|
|
WHERE table2.f1 = 2
|
|
GROUP BY table1.f1, table2.f2
|
|
HAVING (table2.f2 = 8 AND table1.f1 >= 6);
|
|
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 HAVING noticed after reading const tables
|
|
Warnings:
|
|
Note 1003 select `test`.`table1`.`f1` AS `f1`,'7' AS `f2` from `test`.`t1` `table1` join `test`.`t1` `table2` where ((`test`.`table1`.`f3` = '9')) group by `test`.`table1`.`f1`,'7' having 0
|
|
EXPLAIN EXTENDED
|
|
SELECT table1.f1, table2.f2
|
|
FROM t1 AS table1
|
|
JOIN t1 AS table2 ON table1.f3 = table2.f3
|
|
WHERE table2.f1 = 2
|
|
GROUP BY table1.f1, table2.f2
|
|
HAVING (table2.f2 = 8);
|
|
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 HAVING noticed after reading const tables
|
|
Warnings:
|
|
Note 1003 select `test`.`table1`.`f1` AS `f1`,'7' AS `f2` from `test`.`t1` `table1` join `test`.`t1` `table2` where ((`test`.`table1`.`f3` = '9')) group by `test`.`table1`.`f1`,'7' having 0
|
|
DROP TABLE t1;
|
|
#
|
|
# Bug#52336 Segfault / crash in 5.1 copy_fields (param=0x9872980) at sql_select.cc:15355
|
|
#
|
|
CREATE TABLE t1(f1 INT, f2 INT);
|
|
INSERT INTO t1 VALUES (10,8);
|
|
CREATE TABLE t2 (f1 INT);
|
|
INSERT INTO t2 VALUES (5);
|
|
SELECT COUNT(f1) FROM t2
|
|
HAVING (7, 9) IN (SELECT f1, MIN(f2) FROM t1);
|
|
COUNT(f1)
|
|
DROP TABLE t1, t2;
|
|
CREATE TABLE t1 (f1 INT, f2 VARCHAR(1));
|
|
INSERT INTO t1 VALUES (16,'f');
|
|
INSERT INTO t1 VALUES (16,'f');
|
|
CREATE TABLE t2 (f1 INT, f2 VARCHAR(1));
|
|
INSERT INTO t2 VALUES (13,'f');
|
|
INSERT INTO t2 VALUES (20,'f');
|
|
CREATE TABLE t3 (f1 INT, f2 VARCHAR(1));
|
|
INSERT INTO t3 VALUES (7,'f');
|
|
SELECT t1.f2 FROM t1
|
|
STRAIGHT_JOIN (t2 JOIN t3 ON t3.f2 = t2.f2 ) ON t3 .f2 = t2 .f2
|
|
HAVING ('v', 'i') NOT IN (SELECT f2, MIN(f2) FROM t1)
|
|
ORDER BY f2;
|
|
f2
|
|
f
|
|
f
|
|
f
|
|
f
|
|
DROP TABLES t1,t2,t3;
|
|
#
|
|
# Bug#52340 Segfault: read_cached_record (tab=0x94a2634) at sql_select.cc:14411
|
|
#
|
|
CREATE TABLE t1 (f1 INT, f2 VARCHAR(1));
|
|
INSERT INTO t1 VALUES (16,'d');
|
|
CREATE TABLE t2 (f1 INT, f2 VARCHAR(1));
|
|
INSERT INTO t2 VALUES (13,'e');
|
|
INSERT INTO t2 VALUES (20,'d');
|
|
SELECT MAX(t2.f2) FROM t2 JOIN t1 ON t1.f2
|
|
HAVING ('e' , 'd') IN
|
|
(SELECT ts1.f2, ts2.f2 FROM t2 ts1 JOIN t2 ts2 ON ts1.f1)
|
|
ORDER BY t1.f2;
|
|
MAX(t2.f2)
|
|
NULL
|
|
DROP TABLE t1,t2;
|
|
End of 5.0 tests
|
|
#
|
|
# Bug#54416 MAX from JOIN with HAVING returning NULL with 5.1 and Empty set
|
|
#
|
|
CREATE TABLE t1 (f1 INT(11), f2 VARCHAR(1), PRIMARY KEY (f1));
|
|
INSERT INTO t1 VALUES (1,'f');
|
|
CREATE TABLE t2 (f1 INT(11), f2 VARCHAR(1));
|
|
INSERT INTO t2 VALUES (2,'m');
|
|
INSERT INTO t2 VALUES (3,'m');
|
|
INSERT INTO t2 VALUES (11,NULL);
|
|
INSERT INTO t2 VALUES (12,'k');
|
|
SELECT MAX(t1.f1) field1
|
|
FROM t1 JOIN t2 ON t2.f2 LIKE 'x'
|
|
HAVING field1 < 7;
|
|
field1
|
|
DROP TABLE t1,t2;
|
|
#
|
|
# Bug#48916 Server incorrectly processing HAVING clauses with an ORDER BY clause
|
|
#
|
|
CREATE TABLE t1 (f1 INT, f2 INT);
|
|
INSERT INTO t1 VALUES (1, 0), (2, 1), (3, 2);
|
|
CREATE TABLE t2 (f1 INT, f2 INT);
|
|
SELECT t1.f1
|
|
FROM t1
|
|
HAVING (3, 2) IN (SELECT f1, f2 FROM t2) AND t1.f1 >= 0
|
|
ORDER BY t1.f1;
|
|
f1
|
|
SELECT t1.f1
|
|
FROM t1
|
|
HAVING (3, 2) IN (SELECT 4, 2) AND t1.f1 >= 0
|
|
ORDER BY t1.f1;
|
|
f1
|
|
SELECT t1.f1
|
|
FROM t1
|
|
HAVING 2 IN (SELECT f2 FROM t2) AND t1.f1 >= 0
|
|
ORDER BY t1.f1;
|
|
f1
|
|
DROP TABLE t1,t2;
|
|
End of 5.1 tests
|