1053 lines
		
	
	
		
			44 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
		
		
			
		
	
	
			1053 lines
		
	
	
		
			44 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
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								drop table if exists t1, t2;
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								create table t1 (grp int, a bigint unsigned, c char(10) not null, d char(10) not null);
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								insert into t1 values (1,1,"a","a");
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								insert into t1 values (2,2,"b","a");
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								insert into t1 values (2,3,"c","b");
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								insert into t1 values (3,4,"E","a");
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								insert into t1 values (3,5,"C","b");
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								insert into t1 values (3,6,"D","b");
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								insert into t1 values (3,7,"d","d");
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								insert into t1 values (3,8,"d","d");
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								insert into t1 values (3,9,"D","c");
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								select grp,group_concat(c) from t1 group by grp;
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								grp	group_concat(c)
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								1	a
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								2	b,c
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								3	E,C,D,d,d,D
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								explain extended select grp,group_concat(c) from t1 group by grp;
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								id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
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								1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	9	100.00	Using filesort
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								Warnings:
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								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`
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								select grp,group_concat(a,c) from t1 group by grp;
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								grp	group_concat(a,c)
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								1	1a
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								2	2b,3c
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								3	4E,5C,6D,7d,8d,9D
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								select grp,group_concat("(",a,":",c,")") from t1 group by grp;
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								grp	group_concat("(",a,":",c,")")
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								1	(1:a)
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								2	(2:b),(3:c)
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								3	(4:E),(5:C),(6:D),(7:d),(8:d),(9:D)
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								select grp,group_concat(c separator ",") from t1 group by grp;
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								grp	group_concat(c separator ",")
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								1	a
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								2	b,c
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								3	E,C,D,d,d,D
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								select grp,group_concat(c separator "---->") from t1 group by grp;
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								grp	group_concat(c separator "---->")
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								1	a
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								2	b---->c
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								3	E---->C---->D---->d---->d---->D
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								select grp,group_concat(c order by c) from t1 group by grp;
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								grp	group_concat(c order by c)
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								1	a
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								2	b,c
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								3	C,D,d,d,D,E
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								select grp,group_concat(c order by c desc) from t1 group by grp;
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								grp	group_concat(c order by c desc)
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								1	a
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								2	c,b
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								3	E,D,d,d,D,C
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								select grp,group_concat(d order by a) from t1 group by grp;
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								grp	group_concat(d order by a)
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								1	a
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								2	a,b
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								3	a,b,b,d,d,c
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								select grp,group_concat(d order by a desc) from t1 group by grp;
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								grp	group_concat(d order by a desc)
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								1	a
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								2	b,a
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								3	c,d,d,b,b,a
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								select grp,group_concat(a order by a,d+c-ascii(c)-a) from t1 group by grp;
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								grp	group_concat(a order by a,d+c-ascii(c)-a)
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								1	1
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								2	2,3
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								3	4,5,6,7,8,9
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								select grp,group_concat(a order by d+c-ascii(c),a) from t1 group by grp;
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								grp	group_concat(a order by d+c-ascii(c),a)
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								1	1
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								2	3,2
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								3	7,8,4,6,9,5
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								select grp,group_concat(c order by 1) from t1 group by grp;
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								grp	group_concat(c order by 1)
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								1	a
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								2	b,c
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								3	C,D,d,d,D,E
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								select grp,group_concat(distinct c order by c) from t1 group by grp;
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								grp	group_concat(distinct c order by c)
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								1	a
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								2	b,c
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								3	C,D,E
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								select grp,group_concat(distinct c order by c desc) from t1 group by grp;
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								grp	group_concat(distinct c order by c desc)
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								1	a
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								2	c,b
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								3	E,D,C
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								explain extended select grp,group_concat(distinct c order by c desc) from t1 group by grp;
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								id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
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								1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	9	100.00	Using filesort
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								Warnings:
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								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`
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								select grp,group_concat(c order by c separator ",") from t1 group by grp;
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								grp	group_concat(c order by c separator ",")
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								1	a
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								2	b,c
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								3	C,D,d,d,D,E
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								select grp,group_concat(c order by c desc separator ",") from t1 group by grp;
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								grp	group_concat(c order by c desc separator ",")
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								1	a
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								2	c,b
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								3	E,D,d,d,D,C
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								select grp,group_concat(distinct c order by c separator ",") from t1 group by grp;
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								grp	group_concat(distinct c order by c separator ",")
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								1	a
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								2	b,c
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								3	C,D,E
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								explain extended select grp,group_concat(distinct c order by c separator ",") from t1 group by grp;
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								id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
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								1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	9	100.00	Using filesort
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								Warnings:
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								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`
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								select grp,group_concat(distinct c order by c desc separator ",") from t1 group by grp;
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								grp	group_concat(distinct c order by c desc separator ",")
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								1	a
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								2	c,b
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								3	E,D,C
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								select grp,group_concat(c order by grp desc) from t1 group by grp order by grp;
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								grp	group_concat(c order by grp desc)
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								1	a
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								2	c,b
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								3	D,d,d,D,C,E
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								select grp, group_concat(a separator "")+0 from t1 group by grp;
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								grp	group_concat(a separator "")+0
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								1	1
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								2	23
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								3	456789
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								select grp, group_concat(a separator "")+0.0 from t1 group by grp;
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								grp	group_concat(a separator "")+0.0
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								1	1.0
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								2	23.0
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								3	456789.0
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								select grp, ROUND(group_concat(a separator "")) from t1 group by grp;
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								grp	ROUND(group_concat(a separator ""))
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								1	1
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								2	23
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								3	456789
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								drop table t1;
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								create table t1 (grp int, c char(10));
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								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);
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								select grp,group_concat(c order by c) from t1 group by grp;
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								grp	group_concat(c order by c)
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								1	NULL
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								2	b
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								3	D,D,E
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								4	
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								5	NULL
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								set group_concat_max_len = 4;
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								select grp,group_concat(c) from t1 group by grp;
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								grp	group_concat(c)
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								1	NULL
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								2	b
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								3	D,D,
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								4	
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								5	NULL
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								Warnings:
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								Warning	1260	1 line(s) were cut by GROUP_CONCAT()
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								show warnings;
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								Level	Code	Message
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								Warning	1260	1 line(s) were cut by GROUP_CONCAT()
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								set group_concat_max_len = 1024;
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								select group_concat(sum(c)) from t1 group by grp;
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								ERROR HY000: Invalid use of group function
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								select grp,group_concat(c order by 2) from t1 group by grp;
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								ERROR 42S22: Unknown column '2' in 'order clause'
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								drop table t1;
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								create table t1 ( URL_ID int(11), URL varchar(80));
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								create table t2 ( REQ_ID int(11), URL_ID int(11));
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								insert into t1 values (4,'www.host.com'), (5,'www.google.com'),(5,'www.help.com');
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								insert into t2 values (1,4), (5,4), (5,5);
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								select REQ_ID, Group_Concat(URL) as URL from t1, t2 where
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								t2.URL_ID = t1.URL_ID group by REQ_ID;
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								REQ_ID	URL
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								1	X
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								5	X,X,X
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								select REQ_ID, Group_Concat(URL) as URL, Min(t1.URL_ID) urll,
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								Max(t1.URL_ID) urlg from t1, t2 where t2.URL_ID = t1.URL_ID group by REQ_ID;
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								REQ_ID	URL	urll	urlg
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								1	X	4	4
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								5	X,X,X	4	5
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								drop table t1;
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								drop table t2;
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								create table t1 (id int, name varchar(16));
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								insert into t1 values (1,'longername'),(1,'evenlongername');
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								select ifnull(group_concat(concat(t1.id, ':', t1.name)), 'shortname') as 'without distinct: how it should be' from t1;
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								without distinct: how it should be
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								1:longername,1:evenlongername
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								select distinct ifnull(group_concat(concat(t1.id, ':', t1.name)), 'shortname') as 'with distinct: cutoff at length of shortname' from t1;
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								with distinct: cutoff at length of shortname
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								1:longername,1:evenlongername
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								drop table t1;
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								create table t1(id int);
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								create table t2(id int);
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								insert into t1 values(0),(1);
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								select group_concat(t1.id) FROM t1,t2;
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								group_concat(t1.id)
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								NULL
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								drop table t1;
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								drop table t2;
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								create table t1 (bar varchar(32));
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								insert into t1 values('test1'),('test2');
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								select group_concat(bar order by concat(bar,bar)) from t1;
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								group_concat(bar order by concat(bar,bar))
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								test1,test2
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								select group_concat(bar order by concat(bar,bar) desc) from t1;
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								group_concat(bar order by concat(bar,bar) desc)
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								test2,test1
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								select bar from t1 having group_concat(bar)='';
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								bar
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								select bar from t1 having instr(group_concat(bar), "test") > 0;
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								bar
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								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
							 |