1053 lines
		
	
	
		
			44 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
		
		
			
		
	
	
			1053 lines
		
	
	
		
			44 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
|  | drop table if exists t1, t2; | |||
|  | create table t1 (grp int, a bigint unsigned, c char(10) not null, d char(10) not null); | |||
|  | insert into t1 values (1,1,"a","a"); | |||
|  | insert into t1 values (2,2,"b","a"); | |||
|  | insert into t1 values (2,3,"c","b"); | |||
|  | insert into t1 values (3,4,"E","a"); | |||
|  | insert into t1 values (3,5,"C","b"); | |||
|  | insert into t1 values (3,6,"D","b"); | |||
|  | insert into t1 values (3,7,"d","d"); | |||
|  | insert into t1 values (3,8,"d","d"); | |||
|  | insert into t1 values (3,9,"D","c"); | |||
|  | select grp,group_concat(c) from t1 group by grp; | |||
|  | grp	group_concat(c) | |||
|  | 1	a | |||
|  | 2	b,c | |||
|  | 3	E,C,D,d,d,D | |||
|  | explain extended select grp,group_concat(c) from t1 group by grp; | |||
|  | id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra | |||
|  | 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	9	100.00	Using filesort | |||
|  | Warnings: | |||
|  | Note	1003	select `test`.`t1`.`grp` AS `grp`,group_concat(`test`.`t1`.`c` separator ',') AS `group_concat(c)` from `test`.`t1` group by `test`.`t1`.`grp` | |||
|  | select grp,group_concat(a,c) from t1 group by grp; | |||
|  | grp	group_concat(a,c) | |||
|  | 1	1a | |||
|  | 2	2b,3c | |||
|  | 3	4E,5C,6D,7d,8d,9D | |||
|  | select grp,group_concat("(",a,":",c,")") from t1 group by grp; | |||
|  | grp	group_concat("(",a,":",c,")") | |||
|  | 1	(1:a) | |||
|  | 2	(2:b),(3:c) | |||
|  | 3	(4:E),(5:C),(6:D),(7:d),(8:d),(9:D) | |||
|  | select grp,group_concat(c separator ",") from t1 group by grp; | |||
|  | grp	group_concat(c separator ",") | |||
|  | 1	a | |||
|  | 2	b,c | |||
|  | 3	E,C,D,d,d,D | |||
|  | select grp,group_concat(c separator "---->") from t1 group by grp; | |||
|  | grp	group_concat(c separator "---->") | |||
|  | 1	a | |||
|  | 2	b---->c | |||
|  | 3	E---->C---->D---->d---->d---->D | |||
|  | select grp,group_concat(c order by c) from t1 group by grp; | |||
|  | grp	group_concat(c order by c) | |||
|  | 1	a | |||
|  | 2	b,c | |||
|  | 3	C,D,d,d,D,E | |||
|  | select grp,group_concat(c order by c desc) from t1 group by grp; | |||
|  | grp	group_concat(c order by c desc) | |||
|  | 1	a | |||
|  | 2	c,b | |||
|  | 3	E,D,d,d,D,C | |||
|  | select grp,group_concat(d order by a) from t1 group by grp; | |||
|  | grp	group_concat(d order by a) | |||
|  | 1	a | |||
|  | 2	a,b | |||
|  | 3	a,b,b,d,d,c | |||
|  | select grp,group_concat(d order by a desc) from t1 group by grp; | |||
|  | grp	group_concat(d order by a desc) | |||
|  | 1	a | |||
|  | 2	b,a | |||
|  | 3	c,d,d,b,b,a | |||
|  | select grp,group_concat(a order by a,d+c-ascii(c)-a) from t1 group by grp; | |||
|  | grp	group_concat(a order by a,d+c-ascii(c)-a) | |||
|  | 1	1 | |||
|  | 2	2,3 | |||
|  | 3	4,5,6,7,8,9 | |||
|  | select grp,group_concat(a order by d+c-ascii(c),a) from t1 group by grp; | |||
|  | grp	group_concat(a order by d+c-ascii(c),a) | |||
|  | 1	1 | |||
|  | 2	3,2 | |||
|  | 3	7,8,4,6,9,5 | |||
|  | select grp,group_concat(c order by 1) from t1 group by grp; | |||
|  | grp	group_concat(c order by 1) | |||
|  | 1	a | |||
|  | 2	b,c | |||
|  | 3	C,D,d,d,D,E | |||
|  | select grp,group_concat(distinct c order by c) from t1 group by grp; | |||
|  | grp	group_concat(distinct c order by c) | |||
|  | 1	a | |||
|  | 2	b,c | |||
|  | 3	C,D,E | |||
|  | select grp,group_concat(distinct c order by c desc) from t1 group by grp; | |||
|  | grp	group_concat(distinct c order by c desc) | |||
|  | 1	a | |||
|  | 2	c,b | |||
|  | 3	E,D,C | |||
|  | explain extended select grp,group_concat(distinct c order by c desc) from t1 group by grp; | |||
|  | id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra | |||
|  | 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	9	100.00	Using filesort | |||
|  | Warnings: | |||
|  | Note	1003	select `test`.`t1`.`grp` AS `grp`,group_concat(distinct `test`.`t1`.`c` order by `test`.`t1`.`c` DESC separator ',') AS `group_concat(distinct c order by c desc)` from `test`.`t1` group by `test`.`t1`.`grp` | |||
|  | select grp,group_concat(c order by c separator ",") from t1 group by grp; | |||
|  | grp	group_concat(c order by c separator ",") | |||
|  | 1	a | |||
|  | 2	b,c | |||
|  | 3	C,D,d,d,D,E | |||
|  | select grp,group_concat(c order by c desc separator ",") from t1 group by grp; | |||
|  | grp	group_concat(c order by c desc separator ",") | |||
|  | 1	a | |||
|  | 2	c,b | |||
|  | 3	E,D,d,d,D,C | |||
|  | select grp,group_concat(distinct c order by c separator ",") from t1 group by grp; | |||
|  | grp	group_concat(distinct c order by c separator ",") | |||
|  | 1	a | |||
|  | 2	b,c | |||
|  | 3	C,D,E | |||
|  | explain extended select grp,group_concat(distinct c order by c separator ",") from t1 group by grp; | |||
|  | id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra | |||
|  | 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	9	100.00	Using filesort | |||
|  | Warnings: | |||
|  | Note	1003	select `test`.`t1`.`grp` AS `grp`,group_concat(distinct `test`.`t1`.`c` order by `test`.`t1`.`c` ASC separator ',') AS `group_concat(distinct c order by c separator ",")` from `test`.`t1` group by `test`.`t1`.`grp` | |||
|  | select grp,group_concat(distinct c order by c desc separator ",") from t1 group by grp; | |||
|  | grp	group_concat(distinct c order by c desc separator ",") | |||
|  | 1	a | |||
|  | 2	c,b | |||
|  | 3	E,D,C | |||
|  | select grp,group_concat(c order by grp desc) from t1 group by grp order by grp; | |||
|  | grp	group_concat(c order by grp desc) | |||
|  | 1	a | |||
|  | 2	c,b | |||
|  | 3	D,d,d,D,C,E | |||
|  | select grp, group_concat(a separator "")+0 from t1 group by grp; | |||
|  | grp	group_concat(a separator "")+0 | |||
|  | 1	1 | |||
|  | 2	23 | |||
|  | 3	456789 | |||
|  | select grp, group_concat(a separator "")+0.0 from t1 group by grp; | |||
|  | grp	group_concat(a separator "")+0.0 | |||
|  | 1	1.0 | |||
|  | 2	23.0 | |||
|  | 3	456789.0 | |||
|  | select grp, ROUND(group_concat(a separator "")) from t1 group by grp; | |||
|  | grp	ROUND(group_concat(a separator "")) | |||
|  | 1	1 | |||
|  | 2	23 | |||
|  | 3	456789 | |||
|  | drop table t1; | |||
|  | create table t1 (grp int, c char(10)); | |||
|  | insert into t1 values (1,NULL),(2,"b"),(2,NULL),(3,"E"),(3,NULL),(3,"D"),(3,NULL),(3,NULL),(3,"D"),(4,""),(5,NULL); | |||
|  | select grp,group_concat(c order by c) from t1 group by grp; | |||
|  | grp	group_concat(c order by c) | |||
|  | 1	NULL | |||
|  | 2	b | |||
|  | 3	D,D,E | |||
|  | 4	 | |||
|  | 5	NULL | |||
|  | set group_concat_max_len = 4; | |||
|  | select grp,group_concat(c) from t1 group by grp; | |||
|  | grp	group_concat(c) | |||
|  | 1	NULL | |||
|  | 2	b | |||
|  | 3	D,D, | |||
|  | 4	 | |||
|  | 5	NULL | |||
|  | Warnings: | |||
|  | Warning	1260	1 line(s) were cut by GROUP_CONCAT() | |||
|  | show warnings; | |||
|  | Level	Code	Message | |||
|  | Warning	1260	1 line(s) were cut by GROUP_CONCAT() | |||
|  | set group_concat_max_len = 1024; | |||
|  | select group_concat(sum(c)) from t1 group by grp; | |||
|  | ERROR HY000: Invalid use of group function | |||
|  | select grp,group_concat(c order by 2) from t1 group by grp; | |||
|  | ERROR 42S22: Unknown column '2' in 'order clause' | |||
|  | drop table t1; | |||
|  | create table t1 ( URL_ID int(11), URL varchar(80)); | |||
|  | create table t2 ( REQ_ID int(11), URL_ID int(11)); | |||
|  | insert into t1 values (4,'www.host.com'), (5,'www.google.com'),(5,'www.help.com'); | |||
|  | insert into t2 values (1,4), (5,4), (5,5); | |||
|  | select REQ_ID, Group_Concat(URL) as URL from t1, t2 where | |||
|  | t2.URL_ID = t1.URL_ID group by REQ_ID; | |||
|  | REQ_ID	URL | |||
|  | 1	X | |||
|  | 5	X,X,X | |||
|  | select REQ_ID, Group_Concat(URL) as URL, Min(t1.URL_ID) urll, | |||
|  | Max(t1.URL_ID) urlg from t1, t2 where t2.URL_ID = t1.URL_ID group by REQ_ID; | |||
|  | REQ_ID	URL	urll	urlg | |||
|  | 1	X	4	4 | |||
|  | 5	X,X,X	4	5 | |||
|  | drop table t1; | |||
|  | drop table t2; | |||
|  | create table t1 (id int, name varchar(16)); | |||
|  | insert into t1 values (1,'longername'),(1,'evenlongername'); | |||
|  | select ifnull(group_concat(concat(t1.id, ':', t1.name)), 'shortname') as 'without distinct: how it should be' from t1; | |||
|  | without distinct: how it should be | |||
|  | 1:longername,1:evenlongername | |||
|  | select distinct ifnull(group_concat(concat(t1.id, ':', t1.name)), 'shortname') as 'with distinct: cutoff at length of shortname' from t1; | |||
|  | with distinct: cutoff at length of shortname | |||
|  | 1:longername,1:evenlongername | |||
|  | drop table t1; | |||
|  | create table t1(id int); | |||
|  | create table t2(id int); | |||
|  | insert into t1 values(0),(1); | |||
|  | select group_concat(t1.id) FROM t1,t2; | |||
|  | group_concat(t1.id) | |||
|  | NULL | |||
|  | drop table t1; | |||
|  | drop table t2; | |||
|  | create table t1 (bar varchar(32)); | |||
|  | insert into t1 values('test1'),('test2'); | |||
|  | select group_concat(bar order by concat(bar,bar)) from t1; | |||
|  | group_concat(bar order by concat(bar,bar)) | |||
|  | test1,test2 | |||
|  | select group_concat(bar order by concat(bar,bar) desc) from t1; | |||
|  | group_concat(bar order by concat(bar,bar) desc) | |||
|  | test2,test1 | |||
|  | select bar from t1 having group_concat(bar)=''; | |||
|  | bar | |||
|  | select bar from t1 having instr(group_concat(bar), "test") > 0; | |||
|  | bar | |||
|  | test1 | |||
|  | select bar from t1 having instr(group_concat(bar order by concat(bar,bar) desc), "test2,test1") > 0; | |||
|  | bar | |||
|  | test1 | |||
|  | drop table t1; | |||
|  | create table t1 (a int, a1 varchar(10)); | |||
|  | create table t2 (a0 int); | |||
|  | insert into t1 values (0,"a"),(0,"b"),(1,"c"); | |||
|  | insert into t2 values (1),(2),(3); | |||
|  | select  group_concat(a1 order by (t1.a IN (select a0 from t2))) from t1; | |||
|  | group_concat(a1 order by (t1.a IN (select a0 from t2))) | |||
|  | b,a,c | |||
|  | select  group_concat(a1 order by (t1.a)) from t1; | |||
|  | group_concat(a1 order by (t1.a)) | |||
|  | b,a,c | |||
|  | drop table t1, t2; | |||
|  | CREATE TABLE t1 (id1 tinyint(4) NOT NULL, id2 tinyint(4) NOT NULL); | |||
|  | INSERT INTO t1 VALUES (1, 1),(1, 2),(1, 3),(1, 4),(1, 5),(2, 1),(2, 2),(2, 3); | |||
|  | CREATE TABLE t2 (id1 tinyint(4) NOT NULL); | |||
|  | INSERT INTO t2 VALUES (1),(2),(3),(4),(5); | |||
|  | SELECT t1.id1, GROUP_CONCAT(t1.id2 ORDER BY t1.id2 ASC) AS concat_id FROM t1, t2 WHERE t1.id1 = t2.id1 AND t1.id1=1 GROUP BY t1.id1; | |||
|  | id1	concat_id | |||
|  | 1	1,2,3,4,5 | |||
|  | SELECT t1.id1, GROUP_CONCAT(t1.id2 ORDER BY t1.id2 ASC) AS concat_id FROM t1, t2 WHERE t1.id1 = t2.id1 GROUP BY t1.id1; | |||
|  | id1	concat_id | |||
|  | 1	1,2,3,4,5 | |||
|  | 2	1,2,3 | |||
|  | SELECT t1.id1, GROUP_CONCAT(t1.id2 ORDER BY t1.id2 DESC) AS concat_id FROM t1, t2 WHERE t1.id1 = t2.id1 GROUP BY t1.id1; | |||
|  | id1	concat_id | |||
|  | 1	5,4,3,2,1 | |||
|  | 2	3,2,1 | |||
|  | SELECT t1.id1, GROUP_CONCAT(t1.id2 ORDER BY 6-t1.id2 ASC) AS concat_id FROM t1, t2 WHERE t1.id1 = t2.id1 GROUP BY t1.id1; | |||
|  | id1	concat_id | |||
|  | 1	5,4,3,2,1 | |||
|  | 2	3,2,1 | |||
|  | SELECT t1.id1, GROUP_CONCAT(t1.id2,6-t1.id2 ORDER BY 6-t1.id2 ASC) AS concat_id FROM t1, t2 WHERE t1.id1 = t2.id1 GROUP BY t1.id1; | |||
|  | id1	concat_id | |||
|  | 1	51,42,33,24,15 | |||
|  | 2	33,24,15 | |||
|  | SELECT t1.id1, GROUP_CONCAT(t1.id2,6-t1.id2 ORDER BY 6-t1.id2 ASC) AS concat_id FROM t1, t2 WHERE t1.id1 = t2.id1 GROUP BY t1.id1; | |||
|  | id1	concat_id | |||
|  | 1	51,42,33,24,15 | |||
|  | 2	33,24,15 | |||
|  | SELECT t1.id1, GROUP_CONCAT(t1.id2,"/",6-t1.id2 ORDER BY 1+0,6-t1.id2,t1.id2 ASC) AS concat_id FROM t1, t2 WHERE t1.id1 = t2.id1 GROUP BY t1.id1; | |||
|  | id1	concat_id | |||
|  | 1	5/1,4/2,3/3,2/4,1/5 | |||
|  | 2	3/3,2/4,1/5 | |||
|  | drop table t1,t2; | |||
|  | create table t1 (s1 char(10), s2 int not null); | |||
|  | insert into t1 values ('a',2),('b',2),('c',1),('a',3),('b',4),('c',4); | |||
|  | select distinct s1 from t1 order by s2,s1; | |||
|  | s1 | |||
|  | c | |||
|  | a | |||
|  | b | |||
|  | select group_concat(distinct s1) from t1; | |||
|  | group_concat(distinct s1) | |||
|  | a,b,c | |||
|  | select group_concat(distinct s1 order by s2) from t1 where s2 < 4; | |||
|  | group_concat(distinct s1 order by s2) | |||
|  | c,b,a | |||
|  | select group_concat(distinct s1 order by s2) from t1; | |||
|  | group_concat(distinct s1 order by s2) | |||
|  | c,b,a | |||
|  | drop table t1; | |||
|  | create table t1 (a int, c int); | |||
|  | insert into t1 values (1, 2), (2, 3), (2, 4), (3, 5); | |||
|  | create table t2 (a int, c int); | |||
|  | insert into t2 values (1, 5), (2, 4), (3, 3), (3,3); | |||
|  | select group_concat(c) from t1; | |||
|  | group_concat(c) | |||
|  | 2,3,4,5 | |||
|  | select group_concat(c order by (select c from t2 where t2.a=t1.a limit 1)) as grp from t1; | |||
|  | grp | |||
|  | 5,4,3,2 | |||
|  | select group_concat(c order by (select mid(group_concat(c order by a),1,5) from t2 where t2.a=t1.a)) as grp from t1; | |||
|  | grp | |||
|  | 5,4,3,2 | |||
|  | select group_concat(c order by (select mid(group_concat(c order by a),1,5) from t2 where t2.a=t1.a) desc) as grp from t1; | |||
|  | grp | |||
|  | 2,4,3,5 | |||
|  | select t1.a, group_concat(c order by (select c from t2 where t2.a=t1.a limit 1)) as grp from t1 group by 1; | |||
|  | a	grp | |||
|  | 1	2 | |||
|  | 2	4,3 | |||
|  | 3	5 | |||
|  | select t1.a, group_concat(c order by (select mid(group_concat(c order by a),1,5) from t2 where t2.a=t1.a)) as grp from t1 group by 1; | |||
|  | a	grp | |||
|  | 1	2 | |||
|  | 2	4,3 | |||
|  | 3	5 | |||
|  | select t1.a, group_concat(c order by (select mid(group_concat(c order by a),1,5) from t2 where t2.a=t1.a) desc) as grp from t1 group by 1; | |||
|  | a	grp | |||
|  | 1	2 | |||
|  | 2	4,3 | |||
|  | 3	5 | |||
|  | select group_concat(c order by (select concat(5-t1.c,group_concat(c order by a)) from t2 where t2.a=t1.a)) as grp from t1; | |||
|  | grp | |||
|  | 5,4,3,2 | |||
|  | select group_concat(c order by (select concat(t1.c,group_concat(c)) from t2 where a=t1.a)) as grp from t1; | |||
|  | grp | |||
|  | 2,3,4,5 | |||
|  | select a,c,(select group_concat(c order by a) from t2 where a=t1.a) as grp from t1 order by grp; | |||
|  | a	c	grp | |||
|  | 3	5	3,3 | |||
|  | 2	3	4 | |||
|  | 2	4	4 | |||
|  | 1	2	5 | |||
|  | drop table t1,t2; | |||
|  | CREATE TABLE t1 ( a int ); | |||
|  | CREATE TABLE t2 ( a int ); | |||
|  | INSERT INTO t1 VALUES (1), (2); | |||
|  | INSERT INTO t2 VALUES (1), (2); | |||
|  | SELECT GROUP_CONCAT(t1.a*t2.a ORDER BY t2.a) FROM t1, t2 GROUP BY t1.a; | |||
|  | GROUP_CONCAT(t1.a*t2.a ORDER BY t2.a) | |||
|  | 1,2 | |||
|  | 2,4 | |||
|  | DROP TABLE t1, t2; | |||
|  | CREATE TABLE t1 (a char(4)); | |||
|  | INSERT INTO t1 VALUES ('John'), ('Anna'), ('Bill'); | |||
|  | SELECT GROUP_CONCAT(a SEPARATOR '||') AS names FROM t1  | |||
|  | HAVING names LIKE '%An%'; | |||
|  | names | |||
|  | John||Anna||Bill | |||
|  | SELECT GROUP_CONCAT(a SEPARATOR '###') AS names FROM t1  | |||
|  | HAVING LEFT(names, 1) ='J'; | |||
|  | names | |||
|  | John###Anna###Bill | |||
|  | DROP TABLE t1; | |||
|  | CREATE TABLE t1 ( a int, b TEXT ); | |||
|  | INSERT INTO t1 VALUES (1,'First Row'), (2,'Second Row'); | |||
|  | SELECT GROUP_CONCAT(b ORDER BY b) FROM t1 GROUP BY a; | |||
|  | GROUP_CONCAT(b ORDER BY b) | |||
|  | First Row | |||
|  | Second Row | |||
|  | DROP TABLE t1; | |||
|  | CREATE TABLE t1 (A_ID INT NOT NULL,A_DESC CHAR(3) NOT NULL,PRIMARY KEY (A_ID)); | |||
|  | INSERT INTO t1 VALUES (1,'ABC'), (2,'EFG'), (3,'HIJ'); | |||
|  | CREATE TABLE t2 (A_ID INT NOT NULL,B_DESC CHAR(3) NOT NULL,PRIMARY KEY (A_ID,B_DESC)); | |||
|  | INSERT INTO t2 VALUES (1,'A'),(1,'B'),(3,'F'); | |||
|  | SELECT t1.A_ID, GROUP_CONCAT(t2.B_DESC) AS B_DESC FROM t1 LEFT JOIN t2 ON t1.A_ID=t2.A_ID GROUP BY t1.A_ID ORDER BY t1.A_DESC; | |||
|  | A_ID	B_DESC | |||
|  | 1	A,B | |||
|  | 2	NULL | |||
|  | 3	F | |||
|  | DROP TABLE t1; | |||
|  | DROP TABLE t2; | |||
|  | create table t1 (a int, b text); | |||
|  | insert into t1 values (1, 'bb'), (1, 'ccc'), (1, 'a'), (1, 'bb'), (1, 'ccc'); | |||
|  | insert into t1 values (2, 'BB'), (2, 'CCC'), (2, 'A'), (2, 'BB'), (2, 'CCC'); | |||
|  | select group_concat(b) from t1 group by a; | |||
|  | group_concat(b) | |||
|  | bb,ccc,a,bb,ccc | |||
|  | BB,CCC,A,BB,CCC | |||
|  | select group_concat(distinct b) from t1 group by a; | |||
|  | group_concat(distinct b) | |||
|  | bb,ccc,a | |||
|  | BB,CCC,A | |||
|  | select group_concat(b order by b) from t1 group by a; | |||
|  | group_concat(b order by b) | |||
|  | a,bb,bb,ccc,ccc | |||
|  | A,BB,BB,CCC,CCC | |||
|  | select group_concat(distinct b order by b) from t1 group by a; | |||
|  | group_concat(distinct b order by b) | |||
|  | a,bb,ccc | |||
|  | A,BB,CCC | |||
|  | set local group_concat_max_len=4; | |||
|  | select group_concat(b) from t1 group by a; | |||
|  | group_concat(b) | |||
|  | bb,c | |||
|  | BB,C | |||
|  | Warnings: | |||
|  | Warning	1260	2 line(s) were cut by GROUP_CONCAT() | |||
|  | select group_concat(distinct b) from t1 group by a; | |||
|  | group_concat(distinct b) | |||
|  | bb,c | |||
|  | BB,C | |||
|  | Warnings: | |||
|  | Warning	1260	2 line(s) were cut by GROUP_CONCAT() | |||
|  | select group_concat(b order by b) from t1 group by a; | |||
|  | group_concat(b order by b) | |||
|  | a,bb | |||
|  | A,BB | |||
|  | Warnings: | |||
|  | Warning	1260	2 line(s) were cut by GROUP_CONCAT() | |||
|  | select group_concat(distinct b order by b) from t1 group by a; | |||
|  | group_concat(distinct b order by b) | |||
|  | a,bb | |||
|  | A,BB | |||
|  | Warnings: | |||
|  | Warning	1260	2 line(s) were cut by GROUP_CONCAT() | |||
|  | insert into t1 values (1, concat(repeat('1', 300), '2')),  | |||
|  | (1, concat(repeat('1', 300), '2')), (1, concat(repeat('0', 300), '1')),  | |||
|  | (2, concat(repeat('1', 300), '2')), (2, concat(repeat('1', 300), '2')),  | |||
|  | (2, concat(repeat('0', 300), '1')); | |||
|  | set local group_concat_max_len=1024; | |||
|  | select group_concat(b) from t1 group by a; | |||
|  | group_concat(b) | |||
|  | bb,ccc,a,bb,ccc,1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111112,1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111112,0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 | |||
|  | BB,CCC,A,BB,CCC,1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111112,1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111112,0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 | |||
|  | select group_concat(distinct b) from t1 group by a; | |||
|  | group_concat(distinct b) | |||
|  | bb,ccc,a,1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111112,0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 | |||
|  | BB,CCC,A,1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111112,0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001 | |||
|  | select group_concat(b order by b) from t1 group by a; | |||
|  | group_concat(b order by b) | |||
|  | 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001,1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111112,1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111112,a,bb,bb,ccc,ccc | |||
|  | 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001,1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111112,1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111112,A,BB,BB,CCC,CCC | |||
|  | select group_concat(distinct b order by b) from t1 group by a; | |||
|  | group_concat(distinct b order by b) | |||
|  | 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001,1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111112,a,bb,ccc | |||
|  | 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001,1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111112,A,BB,CCC | |||
|  | set local group_concat_max_len=400; | |||
|  | select group_concat(b) from t1 group by a; | |||
|  | group_concat(b) | |||
|  | bb,ccc,a,bb,ccc,1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111112,1111111111111111111111111111111111111111111111111111111111111111111111111111111111 | |||
|  | BB,CCC,A,BB,CCC,1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111112,1111111111111111111111111111111111111111111111111111111111111111111111111111111111 | |||
|  | Warnings: | |||
|  | Warning	1260	2 line(s) were cut by GROUP_CONCAT() | |||
|  | select group_concat(distinct b) from t1 group by a; | |||
|  | group_concat(distinct b) | |||
|  | bb,ccc,a,1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111112,00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | |||
|  | BB,CCC,A,1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111112,00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | |||
|  | Warnings: | |||
|  | Warning	1260	2 line(s) were cut by GROUP_CONCAT() | |||
|  | select group_concat(b order by b) from t1 group by a; | |||
|  | group_concat(b order by b) | |||
|  | 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001,11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111 | |||
|  | 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001,11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111 | |||
|  | Warnings: | |||
|  | Warning	1260	2 line(s) were cut by GROUP_CONCAT() | |||
|  | select group_concat(distinct b order by b) from t1 group by a; | |||
|  | group_concat(distinct b order by b) | |||
|  | 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001,11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111 | |||
|  | 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001,11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111 | |||
|  | Warnings: | |||
|  | Warning	1260	2 line(s) were cut by GROUP_CONCAT() | |||
|  | drop table t1; | |||
|  | create table t1 (a varchar(255) character set cp1250 collate cp1250_general_ci, | |||
|  | b varchar(255) character set koi8r); | |||
|  | insert into t1 values ('xxx','yyy'); | |||
|  | select collation(a) from t1; | |||
|  | collation(a) | |||
|  | cp1250_general_ci | |||
|  | select collation(group_concat(a)) from t1; | |||
|  | collation(group_concat(a)) | |||
|  | cp1250_general_ci | |||
|  | create table t2 select group_concat(a) as a from t1; | |||
|  | show create table t2; | |||
|  | Table	Create Table | |||
|  | t2	CREATE TABLE `t2` ( | |||
|  |   `a` varchar(400) CHARACTER SET cp1250 DEFAULT NULL | |||
|  | ) ENGINE=MyISAM DEFAULT CHARSET=latin1 | |||
|  | select collation(group_concat(a,_koi8r'test')) from t1; | |||
|  | collation(group_concat(a,_koi8r'test')) | |||
|  | cp1250_general_ci | |||
|  | select collation(group_concat(a,_koi8r 0xC1C2)) from t1; | |||
|  | ERROR HY000: Illegal mix of collations (cp1250_general_ci,IMPLICIT) and (koi8r_general_ci,COERCIBLE) for operation 'group_concat' | |||
|  | select collation(group_concat(a,b)) from t1; | |||
|  | ERROR HY000: Illegal mix of collations (cp1250_general_ci,IMPLICIT) and (koi8r_general_ci,IMPLICIT) for operation 'group_concat' | |||
|  | drop table t1; | |||
|  | drop table t2; | |||
|  | CREATE TABLE t1 (a CHAR(10) CHARACTER SET cp850); | |||
|  | INSERT INTO t1 VALUES ('<27>'); | |||
|  | SELECT a FROM t1; | |||
|  | a | |||
|  | <EFBFBD> | |||
|  | SELECT GROUP_CONCAT(a) FROM t1; | |||
|  | GROUP_CONCAT(a) | |||
|  | <EFBFBD> | |||
|  | DROP TABLE t1; | |||
|  | CREATE TABLE t1 (id int); | |||
|  | SELECT GROUP_CONCAT(id) AS gc FROM t1 HAVING gc IS NULL; | |||
|  | gc | |||
|  | NULL | |||
|  | DROP TABLE t1; | |||
|  | create table t2 (a int, b int); | |||
|  | insert into t2 values (1,1), (2,2); | |||
|  | select  b x, (select group_concat(x) from t2) from  t2; | |||
|  | x	(select group_concat(x) from t2) | |||
|  | 1	1,1 | |||
|  | 2	2,2 | |||
|  | drop table t2; | |||
|  | create table t1 (d int not null auto_increment,primary key(d), a int, b int, c int); | |||
|  | insert into t1(a,b) values (1,3), (1,4), (1,2), (2,7), (1,1), (1,2), (2,3), (2,3); | |||
|  | select d,a,b from t1 order by a; | |||
|  | d	a	b | |||
|  | 1	1	3 | |||
|  | 2	1	4 | |||
|  | 3	1	2 | |||
|  | 5	1	1 | |||
|  | 6	1	2 | |||
|  | 4	2	7 | |||
|  | 7	2	3 | |||
|  | 8	2	3 | |||
|  | explain select a, group_concat(b) from t1 group by a with rollup; | |||
|  | id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra | |||
|  | 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	8	Using filesort | |||
|  | select a, group_concat(b) from t1 group by a with rollup; | |||
|  | a	group_concat(b) | |||
|  | 1	3,4,2,1,2 | |||
|  | 2	7,3,3 | |||
|  | NULL	3,4,2,1,2,7,3,3 | |||
|  | select a, group_concat(distinct b) from t1 group by a with rollup; | |||
|  | a	group_concat(distinct b) | |||
|  | 1	3,4,2,1 | |||
|  | 2	7,3 | |||
|  | NULL	3,4,2,1,7 | |||
|  | select a, group_concat(b order by b) from t1 group by a with rollup; | |||
|  | a	group_concat(b order by b) | |||
|  | 1	1,2,2,3,4 | |||
|  | 2	3,3,7 | |||
|  | NULL	1,2,2,3,3,3,4,7 | |||
|  | select a, group_concat(distinct b order by b) from t1 group by a with rollup; | |||
|  | a	group_concat(distinct b order by b) | |||
|  | 1	1,2,3,4 | |||
|  | 2	3,7 | |||
|  | NULL	1,2,3,4,7 | |||
|  | drop table t1; | |||
|  | create table t1 (a char(3), b char(20), primary key (a, b)); | |||
|  | insert into t1 values ('ABW', 'Dutch'), ('ABW', 'English'); | |||
|  | select group_concat(a) from t1 group by b; | |||
|  | group_concat(a) | |||
|  | ABW | |||
|  | ABW | |||
|  | drop table t1; | |||
|  | CREATE TABLE t1 ( | |||
|  | aID smallint(5) unsigned NOT NULL auto_increment, | |||
|  | sometitle varchar(255) NOT NULL default '', | |||
|  | bID smallint(5) unsigned NOT NULL, | |||
|  | PRIMARY KEY  (aID), | |||
|  | UNIQUE KEY sometitle (sometitle) | |||
|  | ); | |||
|  | INSERT INTO t1 SET sometitle = 'title1', bID = 1; | |||
|  | INSERT INTO t1 SET sometitle = 'title2', bID = 1; | |||
|  | CREATE TABLE t2 ( | |||
|  | bID smallint(5) unsigned NOT NULL auto_increment, | |||
|  | somename varchar(255) NOT NULL default '', | |||
|  | PRIMARY KEY  (bID), | |||
|  | UNIQUE KEY somename (somename) | |||
|  | ); | |||
|  | INSERT INTO t2 SET somename = 'test'; | |||
|  | SELECT COUNT(*), GROUP_CONCAT(DISTINCT t2.somename SEPARATOR ' |') | |||
|  | FROM t1 JOIN t2 ON t1.bID = t2.bID; | |||
|  | COUNT(*)	GROUP_CONCAT(DISTINCT t2.somename SEPARATOR ' |') | |||
|  | 2	test | |||
|  | INSERT INTO t2 SET somename = 'test2'; | |||
|  | SELECT COUNT(*), GROUP_CONCAT(DISTINCT t2.somename SEPARATOR ' |') | |||
|  | FROM t1 JOIN t2 ON t1.bID = t2.bID; | |||
|  | COUNT(*)	GROUP_CONCAT(DISTINCT t2.somename SEPARATOR ' |') | |||
|  | 2	test | |||
|  | DELETE FROM t2 WHERE somename = 'test2'; | |||
|  | SELECT COUNT(*), GROUP_CONCAT(DISTINCT t2.somename SEPARATOR ' |') | |||
|  | FROM t1 JOIN t2 ON t1.bID = t2.bID; | |||
|  | COUNT(*)	GROUP_CONCAT(DISTINCT t2.somename SEPARATOR ' |') | |||
|  | 2	test | |||
|  | DROP TABLE t1,t2; | |||
|  | select * from (select group_concat('c') from DUAL) t; | |||
|  | group_concat('c') | |||
|  | c | |||
|  | create table t1 ( a int not null default 0); | |||
|  | select * from (select group_concat(a) from t1) t2; | |||
|  | group_concat(a) | |||
|  | NULL | |||
|  | select group_concat('x') UNION ALL select 1; | |||
|  | group_concat('x') | |||
|  | x | |||
|  | 1 | |||
|  | drop table t1; | |||
|  | CREATE TABLE t1 (id int, a varchar(9)); | |||
|  | INSERT INTO t1 VALUES | |||
|  | (2, ''), (1, ''), (2, 'x'), (1, 'y'), (3, 'z'), (3, ''); | |||
|  | SELECT GROUP_CONCAT(a) FROM t1; | |||
|  | GROUP_CONCAT(a) | |||
|  | ,,x,y,z, | |||
|  | SELECT GROUP_CONCAT(a ORDER BY a) FROM t1; | |||
|  | GROUP_CONCAT(a ORDER BY a) | |||
|  | ,,,x,y,z | |||
|  | SELECT GROUP_CONCAT(a) FROM t1 GROUP BY id; | |||
|  | GROUP_CONCAT(a) | |||
|  | ,y | |||
|  | ,x | |||
|  | z, | |||
|  | SELECT GROUP_CONCAT(a ORDER BY a) FROM t1 GROUP BY id; | |||
|  | GROUP_CONCAT(a ORDER BY a) | |||
|  | ,y | |||
|  | ,x | |||
|  | ,z | |||
|  | DROP TABLE t1; | |||
|  | create table t1(f1 int); | |||
|  | insert into t1 values(1),(2),(3); | |||
|  | select f1, group_concat(f1+1) from t1 group by f1 with rollup; | |||
|  | f1	group_concat(f1+1) | |||
|  | 1	2 | |||
|  | 2	3 | |||
|  | 3	4 | |||
|  | NULL	2,3,4 | |||
|  | select count(distinct (f1+1)) from t1 group by f1 with rollup; | |||
|  | count(distinct (f1+1)) | |||
|  | 1 | |||
|  | 1 | |||
|  | 1 | |||
|  | 3 | |||
|  | drop table t1; | |||
|  | create table t1 (f1 int unsigned, f2 varchar(255)); | |||
|  | insert into t1 values (1,repeat('a',255)),(2,repeat('b',255)); | |||
|  | select f2,group_concat(f1) from t1 group by f2; | |||
|  | Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr | |||
|  | def	test	t1	t1	f2	f2	253	255	255	Y	0	0	8 | |||
|  | def					group_concat(f1)	253	400	1	Y	128	0	63 | |||
|  | f2	group_concat(f1) | |||
|  | aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa	1 | |||
|  | bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb	2 | |||
|  | drop table t1; | |||
|  | set names latin1; | |||
|  | create table t1 (a char, b char); | |||
|  | insert into t1 values ('a', 'a'), ('a', 'b'), ('b', 'a'), ('b', 'b'); | |||
|  | create table t2 select group_concat(b) as a from t1 where a = 'a'; | |||
|  | create table t3 (select group_concat(a) as a from t1 where a = 'a') union | |||
|  | (select group_concat(b) as a from t1 where a = 'b'); | |||
|  | select charset(a) from t2; | |||
|  | charset(a) | |||
|  | latin1 | |||
|  | select charset(a) from t3; | |||
|  | charset(a) | |||
|  | latin1 | |||
|  | latin1 | |||
|  | drop table t1, t2, t3; | |||
|  | set names default; | |||
|  | create table t1 (c1 varchar(10), c2 int); | |||
|  | select charset(group_concat(c1 order by c2)) from t1; | |||
|  | charset(group_concat(c1 order by c2)) | |||
|  | latin1 | |||
|  | drop table t1; | |||
|  | CREATE TABLE t1 (a INT(10), b LONGTEXT, PRIMARY KEY (a)); | |||
|  | SET GROUP_CONCAT_MAX_LEN = 20000000; | |||
|  | INSERT INTO t1 VALUES (1,REPEAT(CONCAT('A',CAST(CHAR(0) AS BINARY),'B'), 40000)); | |||
|  | INSERT INTO t1 SELECT a + 1, b FROM t1; | |||
|  | SELECT a, CHAR_LENGTH(b) FROM t1; | |||
|  | a	CHAR_LENGTH(b) | |||
|  | 1	120000 | |||
|  | 2	120000 | |||
|  | SELECT CHAR_LENGTH( GROUP_CONCAT(b) ) FROM t1; | |||
|  | CHAR_LENGTH( GROUP_CONCAT(b) ) | |||
|  | 240001 | |||
|  | SET GROUP_CONCAT_MAX_LEN = 1024; | |||
|  | DROP TABLE t1; | |||
|  | CREATE TABLE t1 (a int, b int); | |||
|  | INSERT INTO t1 VALUES (2,1), (1,2), (2,2), (1,3); | |||
|  | SELECT GROUP_CONCAT(a), x  | |||
|  | FROM (SELECT a, GROUP_CONCAT(b) x FROM t1 GROUP BY a) AS s | |||
|  | GROUP BY x; | |||
|  | GROUP_CONCAT(a)	x | |||
|  | 2	1,2 | |||
|  | 1	2,3 | |||
|  | DROP TABLE t1; | |||
|  | set names utf8; | |||
|  | create table t1 | |||
|  | ( | |||
|  | x text character set utf8 not null, | |||
|  | y integer not null | |||
|  | ); | |||
|  | insert into t1 values (repeat('a', 1022), 0), (repeat(_utf8 0xc3b7, 4), 0); | |||
|  | set group_concat_max_len= 1022 + 10; | |||
|  | select @x:=group_concat(x) from t1 group by y; | |||
|  | select @@group_concat_max_len, length(@x), char_length(@x), right(@x,12), right(HEX(@x),12); | |||
|  | @@group_concat_max_len	length(@x)	char_length(@x)	right(@x,12)	right(HEX(@x),12) | |||
|  | 1032	1031	1027	aaaaaaa,÷÷÷÷	C3B7C3B7C3B7 | |||
|  | set group_concat_max_len= 1022 + 9; | |||
|  | select @x:=group_concat(x) from t1 group by y; | |||
|  | select @@group_concat_max_len, length(@x), char_length(@x), right(@x,12), right(HEX(@x),12); | |||
|  | @@group_concat_max_len	length(@x)	char_length(@x)	right(@x,12)	right(HEX(@x),12) | |||
|  | 1031	1031	1027	aaaaaaa,÷÷÷÷	C3B7C3B7C3B7 | |||
|  | set group_concat_max_len= 1022 + 8; | |||
|  | select @x:=group_concat(x) from t1 group by y; | |||
|  | select @@group_concat_max_len, length(@x), char_length(@x), right(@x,12), right(HEX(@x),12); | |||
|  | @@group_concat_max_len	length(@x)	char_length(@x)	right(@x,12)	right(HEX(@x),12) | |||
|  | 1030	1029	1026	aaaaaaaa,÷÷÷	C3B7C3B7C3B7 | |||
|  | set group_concat_max_len= 1022 + 7; | |||
|  | select @x:=group_concat(x) from t1 group by y; | |||
|  | select @@group_concat_max_len, length(@x), char_length(@x), right(@x,12), right(HEX(@x),12); | |||
|  | @@group_concat_max_len	length(@x)	char_length(@x)	right(@x,12)	right(HEX(@x),12) | |||
|  | 1029	1029	1026	aaaaaaaa,÷÷÷	C3B7C3B7C3B7 | |||
|  | set group_concat_max_len= 1022 + 6; | |||
|  | select @x:=group_concat(x) from t1 group by y; | |||
|  | select @@group_concat_max_len, length(@x), char_length(@x), right(@x,12), right(HEX(@x),12); | |||
|  | @@group_concat_max_len	length(@x)	char_length(@x)	right(@x,12)	right(HEX(@x),12) | |||
|  | 1028	1027	1025	aaaaaaaaa,÷÷	612CC3B7C3B7 | |||
|  | set group_concat_max_len= 1022 + 5; | |||
|  | select @x:=group_concat(x) from t1 group by y; | |||
|  | select @@group_concat_max_len, length(@x), char_length(@x), right(@x,12), right(HEX(@x),12); | |||
|  | @@group_concat_max_len	length(@x)	char_length(@x)	right(@x,12)	right(HEX(@x),12) | |||
|  | 1027	1027	1025	aaaaaaaaa,÷÷	612CC3B7C3B7 | |||
|  | set group_concat_max_len= 1022 + 4; | |||
|  | select @x:=group_concat(x) from t1 group by y; | |||
|  | select @@group_concat_max_len, length(@x), char_length(@x), right(@x,12), right(HEX(@x),12); | |||
|  | @@group_concat_max_len	length(@x)	char_length(@x)	right(@x,12)	right(HEX(@x),12) | |||
|  | 1026	1025	1024	aaaaaaaaaa,÷	6161612CC3B7 | |||
|  | set group_concat_max_len= 1022 + 3; | |||
|  | select @x:=group_concat(x) from t1 group by y; | |||
|  | select @@group_concat_max_len, length(@x), char_length(@x), right(@x,12), right(HEX(@x),12); | |||
|  | @@group_concat_max_len	length(@x)	char_length(@x)	right(@x,12)	right(HEX(@x),12) | |||
|  | 1025	1025	1024	aaaaaaaaaa,÷	6161612CC3B7 | |||
|  | set group_concat_max_len= 1022 + 2; | |||
|  | select @x:=group_concat(x) from t1 group by y; | |||
|  | select @@group_concat_max_len, length(@x), char_length(@x), right(@x,12), right(HEX(@x),12); | |||
|  | @@group_concat_max_len	length(@x)	char_length(@x)	right(@x,12)	right(HEX(@x),12) | |||
|  | 1024	1023	1023	aaaaaaaaaaa,	61616161612C | |||
|  | set group_concat_max_len= 1022 + 1; | |||
|  | select @x:=group_concat(x) from t1 group by y; | |||
|  | select @@group_concat_max_len, length(@x), char_length(@x), right(@x,12), right(HEX(@x),12); | |||
|  | @@group_concat_max_len	length(@x)	char_length(@x)	right(@x,12)	right(HEX(@x),12) | |||
|  | 1023	1023	1023	aaaaaaaaaaa,	61616161612C | |||
|  | drop table t1; | |||
|  | set group_concat_max_len=1024; | |||
|  | set names latin1; | |||
|  | create table t1 (f1 int unsigned, f2 varchar(255)); | |||
|  | insert into t1 values (1,repeat('a',255)),(2,repeat('b',255)); | |||
|  | select f2,group_concat(f1) from t1 group by f2; | |||
|  | Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr | |||
|  | def	test	t1	t1	f2	f2	253	255	255	Y	0	0	8 | |||
|  | def					group_concat(f1)	252	1024	1	Y	128	0	63 | |||
|  | f2	group_concat(f1) | |||
|  | aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa	1 | |||
|  | bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb	2 | |||
|  | drop table t1; | |||
|  | CREATE TABLE t1(a TEXT, b CHAR(20)); | |||
|  | INSERT INTO t1 VALUES ("one.1","one.1"),("two.2","two.2"),("one.3","one.3"); | |||
|  | SELECT GROUP_CONCAT(DISTINCT UCASE(a)) FROM t1; | |||
|  | GROUP_CONCAT(DISTINCT UCASE(a)) | |||
|  | ONE.1,TWO.2,ONE.3 | |||
|  | SELECT GROUP_CONCAT(DISTINCT UCASE(b)) FROM t1; | |||
|  | GROUP_CONCAT(DISTINCT UCASE(b)) | |||
|  | ONE.1,TWO.2,ONE.3 | |||
|  | DROP TABLE t1; | |||
|  | CREATE TABLE t1( a VARCHAR( 10 ), b INT ); | |||
|  | INSERT INTO t1 VALUES ( repeat( 'a', 10 ), 1),  | |||
|  | ( repeat( 'b', 10 ), 2); | |||
|  | SET group_concat_max_len = 20; | |||
|  | SELECT GROUP_CONCAT( a ) FROM t1; | |||
|  | GROUP_CONCAT( a ) | |||
|  | aaaaaaaaaa,bbbbbbbbb | |||
|  | Warnings: | |||
|  | Warning	1260	1 line(s) were cut by GROUP_CONCAT() | |||
|  | SELECT GROUP_CONCAT( DISTINCT a ) FROM t1; | |||
|  | GROUP_CONCAT( DISTINCT a ) | |||
|  | aaaaaaaaaa,bbbbbbbbb | |||
|  | Warnings: | |||
|  | Warning	1260	1 line(s) were cut by GROUP_CONCAT() | |||
|  | SELECT GROUP_CONCAT( a ORDER BY b ) FROM t1; | |||
|  | GROUP_CONCAT( a ORDER BY b ) | |||
|  | aaaaaaaaaa,bbbbbbbbb | |||
|  | Warnings: | |||
|  | Warning	1260	1 line(s) were cut by GROUP_CONCAT() | |||
|  | SELECT GROUP_CONCAT( DISTINCT a ORDER BY b ) FROM t1; | |||
|  | GROUP_CONCAT( DISTINCT a ORDER BY b ) | |||
|  | aaaaaaaaaa,bbbbbbbbb | |||
|  | Warnings: | |||
|  | Warning	1260	1 line(s) were cut by GROUP_CONCAT() | |||
|  | SET group_concat_max_len = DEFAULT; | |||
|  | DROP TABLE t1; | |||
|  | SET group_concat_max_len= 65535; | |||
|  | CREATE TABLE t1( a TEXT, b INTEGER ); | |||
|  | INSERT INTO t1 VALUES ( 'a', 0 ), ( 'b', 1 ); | |||
|  | SELECT GROUP_CONCAT( a ORDER BY b ) FROM t1; | |||
|  | GROUP_CONCAT( a ORDER BY b ) | |||
|  | a,b | |||
|  | SELECT GROUP_CONCAT(DISTINCT a ORDER BY b) FROM t1; | |||
|  | GROUP_CONCAT(DISTINCT a ORDER BY b) | |||
|  | a,b | |||
|  | SELECT GROUP_CONCAT(DISTINCT a) FROM t1; | |||
|  | GROUP_CONCAT(DISTINCT a) | |||
|  | a,b | |||
|  | SET group_concat_max_len= 10; | |||
|  | SELECT GROUP_CONCAT(a ORDER BY b) FROM t1; | |||
|  | GROUP_CONCAT(a ORDER BY b) | |||
|  | a,b | |||
|  | SELECT GROUP_CONCAT(DISTINCT a ORDER BY b) FROM t1; | |||
|  | GROUP_CONCAT(DISTINCT a ORDER BY b) | |||
|  | a,b | |||
|  | SELECT GROUP_CONCAT(DISTINCT a) FROM t1; | |||
|  | GROUP_CONCAT(DISTINCT a) | |||
|  | a,b | |||
|  | SET group_concat_max_len= 65535; | |||
|  | CREATE TABLE t2( a TEXT ); | |||
|  | INSERT INTO t2 VALUES( REPEAT( 'a', 5000 ) ); | |||
|  | INSERT INTO t2 VALUES( REPEAT( 'b', 5000 ) ); | |||
|  | INSERT INTO t2 VALUES( REPEAT( 'a', 5000 ) ); | |||
|  | SELECT LENGTH( GROUP_CONCAT( DISTINCT a ) ) FROM t2; | |||
|  | LENGTH( GROUP_CONCAT( DISTINCT a ) ) | |||
|  | 10001 | |||
|  | CREATE TABLE t3( a TEXT, b INT  ); | |||
|  | INSERT INTO t3 VALUES( REPEAT( 'a', 65534 ), 1 ); | |||
|  | INSERT INTO t3 VALUES( REPEAT( 'a', 65535 ), 2 ); | |||
|  | INSERT INTO t3 VALUES( REPEAT( 'a', 65536 ), 3 ); | |||
|  | Warnings: | |||
|  | Warning	1265	Data truncated for column 'a' at row 1 | |||
|  | SELECT LENGTH( GROUP_CONCAT( a ) ) FROM t3 WHERE b = 1; | |||
|  | LENGTH( GROUP_CONCAT( a ) ) | |||
|  | 65534 | |||
|  | SELECT LENGTH( GROUP_CONCAT( a ) ) FROM t3 WHERE b = 2; | |||
|  | LENGTH( GROUP_CONCAT( a ) ) | |||
|  | 65535 | |||
|  | SELECT LENGTH( GROUP_CONCAT( a ) ) FROM t3 WHERE b = 3; | |||
|  | LENGTH( GROUP_CONCAT( a ) ) | |||
|  | 65535 | |||
|  | SET group_concat_max_len= DEFAULT; | |||
|  | DROP TABLE t1, t2, t3; | |||
|  | set names latin1; | |||
|  | create table t1 (id int, name varchar(20)) DEFAULT CHARSET=utf8; | |||
|  | insert into t1 (id, name) values (1, "<22>ra"); | |||
|  | insert into t1 (id, name) values (2, "<22>ra"); | |||
|  | select b.id, group_concat(b.name) from t1 a, t1 b group by b.id; | |||
|  | id	group_concat(b.name) | |||
|  | 1	<09>ra,<2C>ra | |||
|  | 2	<09>ra,<2C>ra | |||
|  | drop table t1; | |||
|  | create table t1(a bit not null); | |||
|  | insert into t1 values (), (), (); | |||
|  | Warnings: | |||
|  | Warning	1364	Field 'a' doesn't have a default value | |||
|  | select group_concat(distinct a) from t1; | |||
|  | group_concat(distinct a) | |||
|  | 0 | |||
|  | select group_concat(distinct a order by a) from t1; | |||
|  | group_concat(distinct a order by a) | |||
|  | 0 | |||
|  | drop table t1; | |||
|  | create table t1(a bit(2) not null); | |||
|  | insert into t1 values (1), (0), (0), (3), (1); | |||
|  | select group_concat(distinct a) from t1; | |||
|  | group_concat(distinct a) | |||
|  | 1,0,3 | |||
|  | select group_concat(distinct a order by a) from t1; | |||
|  | group_concat(distinct a order by a) | |||
|  | 0,1,3 | |||
|  | select group_concat(distinct a order by a desc) from t1; | |||
|  | group_concat(distinct a order by a desc) | |||
|  | 3,1,0 | |||
|  | drop table t1; | |||
|  | create table t1(a bit(2), b varchar(10), c bit); | |||
|  | insert into t1 values (1, 'a', 0), (0, 'b', 1), (0, 'c', 0), (3, 'd', 1), | |||
|  | (1, 'e', 1), (3, 'f', 1), (0, 'g', 1); | |||
|  | select group_concat(distinct a, c) from t1; | |||
|  | group_concat(distinct a, c) | |||
|  | 10,01,00,31,11 | |||
|  | select group_concat(distinct a, c order by a) from t1; | |||
|  | group_concat(distinct a, c order by a) | |||
|  | 00,01,11,10,31 | |||
|  | select group_concat(distinct a, c) from t1; | |||
|  | group_concat(distinct a, c) | |||
|  | 10,01,00,31,11 | |||
|  | select group_concat(distinct a, c order by a, c) from t1; | |||
|  | group_concat(distinct a, c order by a, c) | |||
|  | 00,01,10,11,31 | |||
|  | select group_concat(distinct a, c order by a desc, c desc) from t1; | |||
|  | group_concat(distinct a, c order by a desc, c desc) | |||
|  | 31,11,10,01,00 | |||
|  | drop table t1; | |||
|  | create table t1 (f1 char(20)); | |||
|  | insert into t1 values (''),(''); | |||
|  | select group_concat(distinct f1) from t1; | |||
|  | group_concat(distinct f1) | |||
|  | 
 | |||
|  | select group_concat(f1) from t1; | |||
|  | group_concat(f1) | |||
|  | , | |||
|  | drop table t1; | |||
|  | CREATE TABLE t1 (a INT, b INT); | |||
|  | INSERT INTO t1 VALUES (1, 1), (2, 2), (2, 3); | |||
|  | SELECT GROUP_CONCAT(DISTINCT a ORDER BY b) FROM t1; | |||
|  | GROUP_CONCAT(DISTINCT a ORDER BY b) | |||
|  | 1,2 | |||
|  | SELECT GROUP_CONCAT(DISTINCT a ORDER BY b DESC) FROM t1; | |||
|  | GROUP_CONCAT(DISTINCT a ORDER BY b DESC) | |||
|  | 2,1 | |||
|  | SELECT GROUP_CONCAT(DISTINCT a) FROM t1; | |||
|  | GROUP_CONCAT(DISTINCT a) | |||
|  | 1,2 | |||
|  | SELECT GROUP_CONCAT(DISTINCT a + 1 ORDER BY 3 - b) FROM t1; | |||
|  | GROUP_CONCAT(DISTINCT a + 1 ORDER BY 3 - b) | |||
|  | 3,2 | |||
|  | SELECT GROUP_CONCAT(DISTINCT a + 1 ORDER BY b) FROM t1; | |||
|  | GROUP_CONCAT(DISTINCT a + 1 ORDER BY b) | |||
|  | 2,3 | |||
|  | SELECT GROUP_CONCAT(a ORDER BY 3 - b) FROM t1; | |||
|  | GROUP_CONCAT(a ORDER BY 3 - b) | |||
|  | 2,2,1 | |||
|  | CREATE TABLE t2 (a INT, b INT, c INT, d INT); | |||
|  | INSERT INTO t2 VALUES (1,1, 1,1), (1,1, 2,2), (1,2, 2,1), (2,1, 1,2); | |||
|  | SELECT GROUP_CONCAT(DISTINCT a, b ORDER BY c, d) FROM t2; | |||
|  | GROUP_CONCAT(DISTINCT a, b ORDER BY c, d) | |||
|  | 11,21,12 | |||
|  | SELECT GROUP_CONCAT(DISTINCT a, b ORDER BY d, c) FROM t2; | |||
|  | GROUP_CONCAT(DISTINCT a, b ORDER BY d, c) | |||
|  | 11,12,21 | |||
|  | CREATE TABLE t3 (a INT, b INT, c INT); | |||
|  | INSERT INTO t3 VALUES (1, 1, 1), (2, 1, 2), (3, 2, 1); | |||
|  | SELECT GROUP_CONCAT(DISTINCT a, b ORDER BY b, c) FROM t3; | |||
|  | GROUP_CONCAT(DISTINCT a, b ORDER BY b, c) | |||
|  | 11,21,32 | |||
|  | SELECT GROUP_CONCAT(DISTINCT a, b ORDER BY c, b) FROM t3; | |||
|  | GROUP_CONCAT(DISTINCT a, b ORDER BY c, b) | |||
|  | 11,32,21 | |||
|  | SELECT GROUP_CONCAT(DISTINCT a, b ORDER BY a, b) FROM t1; | |||
|  | GROUP_CONCAT(DISTINCT a, b ORDER BY a, b) | |||
|  | 11,22,23 | |||
|  | SELECT GROUP_CONCAT(DISTINCT b, a ORDER BY a, b) FROM t1; | |||
|  | GROUP_CONCAT(DISTINCT b, a ORDER BY a, b) | |||
|  | 11,22,32 | |||
|  | SELECT GROUP_CONCAT(DISTINCT a, b ORDER BY b, a) FROM t1; | |||
|  | GROUP_CONCAT(DISTINCT a, b ORDER BY b, a) | |||
|  | 11,22,23 | |||
|  | SELECT GROUP_CONCAT(DISTINCT b, a ORDER BY a, b) FROM t1; | |||
|  | GROUP_CONCAT(DISTINCT b, a ORDER BY a, b) | |||
|  | 11,22,32 | |||
|  | SELECT GROUP_CONCAT(DISTINCT a ORDER BY a, b) FROM t1; | |||
|  | GROUP_CONCAT(DISTINCT a ORDER BY a, b) | |||
|  | 1,2 | |||
|  | SELECT GROUP_CONCAT(DISTINCT b ORDER BY b, a) FROM t1; | |||
|  | GROUP_CONCAT(DISTINCT b ORDER BY b, a) | |||
|  | 1,2,3 | |||
|  | SELECT GROUP_CONCAT(DISTINCT a, b ORDER BY a) FROM t1; | |||
|  | GROUP_CONCAT(DISTINCT a, b ORDER BY a) | |||
|  | 11,23,22 | |||
|  | SELECT GROUP_CONCAT(DISTINCT b, a ORDER BY b) FROM t1; | |||
|  | GROUP_CONCAT(DISTINCT b, a ORDER BY b) | |||
|  | 11,22,32 | |||
|  | DROP TABLE t1, t2, t3; | |||
|  | CREATE TABLE t1(a INT); | |||
|  | INSERT INTO t1 VALUES (),(); | |||
|  | SELECT s1.d1 FROM | |||
|  | ( | |||
|  | SELECT | |||
|  | t1.a as d1, | |||
|  | GROUP_CONCAT(DISTINCT t1.a) AS d2 | |||
|  | FROM | |||
|  | t1 AS t1, | |||
|  | t1 AS t2 | |||
|  | GROUP BY 1 | |||
|  | ) AS s1; | |||
|  | d1 | |||
|  | NULL | |||
|  | DROP TABLE t1; | |||
|  | CREATE TABLE t1 (a INT); | |||
|  | CREATE TABLE t2 (a INT); | |||
|  | INSERT INTO t1 VALUES(1); | |||
|  | SELECT GROUP_CONCAT(DISTINCT t2.a) FROM t1 LEFT JOIN t2 ON t2.a = t1.a GROUP BY t1.a; | |||
|  | GROUP_CONCAT(DISTINCT t2.a) | |||
|  | NULL | |||
|  | DROP TABLE t1, t2; | |||
|  | CREATE TABLE t1 (a INT, KEY(a)); | |||
|  | CREATE TABLE t2 (b INT); | |||
|  | INSERT INTO t1 VALUES (NULL), (8), (2); | |||
|  | INSERT INTO t2 VALUES (4), (10); | |||
|  | SELECT 1 FROM t1 WHERE t1.a NOT IN | |||
|  | ( | |||
|  | SELECT GROUP_CONCAT(DISTINCT t1.a) | |||
|  | FROM  t1 WHERE t1.a IN    | |||
|  | ( | |||
|  | SELECT b FROM t2 | |||
|  | )  | |||
|  | AND NOT t1.a >= (SELECT t1.a FROM t1 LIMIT 1) | |||
|  | GROUP BY t1.a | |||
|  | ); | |||
|  | 1 | |||
|  | 1 | |||
|  | 1 | |||
|  | 1 | |||
|  | DROP TABLE t1, t2; | |||
|  | CREATE TABLE t1 (f1 INT); | |||
|  | INSERT INTO t1 VALUES (),(); | |||
|  | EXPLAIN EXTENDED SELECT 1 FROM | |||
|  | (SELECT DISTINCT GROUP_CONCAT(td.f1) FROM t1,t1 AS td GROUP BY td.f1) AS d,t1; | |||
|  | id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra | |||
|  | 1	PRIMARY	<derived2>	system	NULL	NULL	NULL	NULL	1	100.00	 | |||
|  | 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	 | |||
|  | 2	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using temporary; Using filesort; Distinct | |||
|  | 2	DERIVED	td	ALL	NULL	NULL	NULL	NULL	2	100.00	Distinct; Using join buffer | |||
|  | Warnings: | |||
|  | Note	1003	select 1 AS `1` from (select distinct group_concat(`test`.`td`.`f1` separator ',') AS `GROUP_CONCAT(td.f1)` from `test`.`t1` join `test`.`t1` `td` group by `test`.`td`.`f1`) `d` join `test`.`t1` | |||
|  | SELECT 1 FROM | |||
|  | (SELECT DISTINCT GROUP_CONCAT(td.f1) FROM t1,t1 AS td GROUP BY td.f1) AS d,t1; | |||
|  | 1 | |||
|  | 1 | |||
|  | 1 | |||
|  | DROP TABLE t1; | |||
|  | End of 5.0 tests | |||
|  | # | |||
|  | # Bug #52397: another crash with explain extended and group_concat | |||
|  | # | |||
|  | CREATE TABLE t1 (a INT); | |||
|  | INSERT INTO t1 VALUES (0), (0); | |||
|  | EXPLAIN EXTENDED SELECT 1 FROM | |||
|  | (SELECT GROUP_CONCAT(t1.a ORDER BY t1.a ASC) FROM  | |||
|  | t1 t2, t1 GROUP BY t1.a) AS d; | |||
|  | id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra | |||
|  | 1	PRIMARY	<derived2>	system	NULL	NULL	NULL	NULL	1	100.00	 | |||
|  | 2	DERIVED	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	Using temporary; Using filesort | |||
|  | 2	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using join buffer | |||
|  | Warnings: | |||
|  | Note	1003	select 1 AS `1` from (select group_concat(`test`.`t1`.`a` order by `test`.`t1`.`a` ASC separator ',') AS `GROUP_CONCAT(t1.a ORDER BY t1.a ASC)` from `test`.`t1` `t2` join `test`.`t1` group by `test`.`t1`.`a`) `d` | |||
|  | DROP TABLE t1; | |||
|  | # | |||
|  | # Bug #54476: crash when group_concat and 'with rollup' in prepared statements | |||
|  | #  | |||
|  | CREATE TABLE t1 (a INT); | |||
|  | INSERT INTO t1 VALUES (1), (2); | |||
|  | PREPARE stmt FROM "SELECT GROUP_CONCAT(t1.a ORDER BY t1.a) FROM t1 JOIN t1 t2 GROUP BY t1.a WITH ROLLUP"; | |||
|  | EXECUTE stmt; | |||
|  | GROUP_CONCAT(t1.a ORDER BY t1.a) | |||
|  | 1,1 | |||
|  | 2,2 | |||
|  | 1,1,2,2 | |||
|  | EXECUTE stmt; | |||
|  | GROUP_CONCAT(t1.a ORDER BY t1.a) | |||
|  | 1,1 | |||
|  | 2,2 | |||
|  | 1,1,2,2 | |||
|  | DEALLOCATE PREPARE stmt; | |||
|  | DROP TABLE t1; | |||
|  | # | |||
|  | # Bug#57194 group_concat cause crash and/or invalid memory reads with type errors | |||
|  | # | |||
|  | CREATE TABLE t1(f1 int); | |||
|  | INSERT INTO t1 values (0),(0); | |||
|  | SELECT POLYGON((SELECT 1 FROM (SELECT 1 IN (GROUP_CONCAT(t1.f1)) FROM t1, t1 t GROUP BY t.f1 ) d)); | |||
|  | ERROR 22007: Illegal non geometric '(select 1 from (select (1 = group_concat(`test`.`t1`.`f1` separator ',')) AS `1 IN (GROUP_CONCAT(t1.f1))` from `test`.`t1` join `test`.`t1` `t` group by `t`.`f1`) `d`)' value found during parsing | |||
|  | DROP TABLE t1; | |||
|  | # | |||
|  | # Bug#58396 group_concat and explain extended are still crashy | |||
|  | # | |||
|  | CREATE TABLE t1(a INT); | |||
|  | EXPLAIN EXTENDED SELECT UPDATEXML('1', a, '1') | |||
|  | FROM t1 ORDER BY (SELECT GROUP_CONCAT(1) FROM t1); | |||
|  | ERROR HY000: Only constant XPATH queries are supported | |||
|  | SHOW WARNINGS; | |||
|  | Level	Code	Message | |||
|  | Error	1105	Only constant XPATH queries are supported | |||
|  | Note	1003	select updatexml('1',`test`.`t1`.`a`,'1') AS `UPDATEXML('1', a, '1')` from `test`.`t1` order by (select group_concat(1 separator ',') from `test`.`t1`) | |||
|  | DROP TABLE t1; | |||
|  | End of 5.1 tests |