2
# simple test of group_concat function
5
drop table if exists t1, t2;
8
create table t1 (grp int, a bigint, c char(10) not null, d char(10) not null);
9
insert into t1 values (1,1,"a","a");
10
insert into t1 values (2,2,"b","a");
11
insert into t1 values (2,3,"c","b");
12
insert into t1 values (3,4,"E","a");
13
insert into t1 values (3,5,"C","b");
14
insert into t1 values (3,6,"D","b");
15
insert into t1 values (3,7,"d","d");
16
insert into t1 values (3,8,"d","d");
17
insert into t1 values (3,9,"D","c");
19
# Test of MySQL simple request
20
select grp,group_concat(c) from t1 group by grp;
21
explain extended select grp,group_concat(c) from t1 group by grp;
22
select grp,group_concat(a,c) from t1 group by grp;
23
select grp,group_concat("(",a,":",c,")") from t1 group by grp;
25
# Test of MySQL with options
26
select grp,group_concat(c separator ",") from t1 group by grp;
27
select grp,group_concat(c separator "---->") from t1 group by grp;
28
select grp,group_concat(c order by c) from t1 group by grp;
29
select grp,group_concat(c order by c desc) from t1 group by grp;
30
select grp,group_concat(d order by a) from t1 group by grp;
31
select grp,group_concat(d order by a desc) from t1 group by grp;
33
select grp,group_concat(a order by a,d+c-ascii(c)-a) from t1 group by grp;
34
select grp,group_concat(a order by d+c-ascii(c),a) from t1 group by grp;
36
select grp,group_concat(c order by 1) from t1 group by grp;
37
select grp,group_concat(distinct c order by c) from t1 group by grp;
38
select grp,group_concat(distinct c order by c desc) from t1 group by grp;
39
explain extended select grp,group_concat(distinct c order by c desc) from t1 group by grp;
40
select grp,group_concat(c order by c separator ",") from t1 group by grp;
41
select grp,group_concat(c order by c desc separator ",") from t1 group by grp;
42
select grp,group_concat(distinct c order by c separator ",") from t1 group by grp;
43
explain extended select grp,group_concat(distinct c order by c separator ",") from t1 group by grp;
44
select grp,group_concat(distinct c order by c desc separator ",") from t1 group by grp;
46
# Test of SQL_LIST objects
47
select grp,group_concat(c order by grp desc) from t1 group by grp order by grp;
50
# Test transfer to real values
52
select grp, group_concat(a separator "")+0 from t1 group by grp;
53
select grp, group_concat(a separator "")+0.0 from t1 group by grp;
54
select grp, ROUND(group_concat(a separator "")) from t1 group by grp;
59
create table t1 (grp int, c char(10));
60
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);
61
select grp,group_concat(c order by c) from t1 group by grp;
65
set group_concat_max_len = 4;
66
select grp,group_concat(c) from t1 group by grp;
68
set group_concat_max_len = 1024;
73
select group_concat(sum(c)) from t1 group by grp;
75
select grp,group_concat(c order by 2) from t1 group by grp;
79
# Test variable length
81
create table t1 ( URL_ID int, URL varchar(80));
82
create table t2 ( REQ_ID int, URL_ID int);
83
insert into t1 values (4,'www.host.com'), (5,'www.google.com'),(5,'www.help.com');
84
insert into t2 values (1,4), (5,4), (5,5);
85
# Make this order independent
86
--replace_result www.help.com X www.host.com X www.google.com X
87
select REQ_ID, Group_Concat(URL) as URL from t1, t2 where
88
t2.URL_ID = t1.URL_ID group by REQ_ID;
89
# check min/max function
90
--replace_result www.help.com X www.host.com X www.google.com X
91
select REQ_ID, Group_Concat(URL) as URL, Min(t1.URL_ID) urll,
92
Max(t1.URL_ID) urlg from t1, t2 where t2.URL_ID = t1.URL_ID group by REQ_ID;
97
create table t1 (id int, name varchar(16));
98
insert into t1 values (1,'longername'),(1,'evenlongername');
99
select ifnull(group_concat(concat(t1.id, ':', t1.name)), 'shortname') as 'without distinct: how it should be' from t1;
100
select distinct ifnull(group_concat(concat(t1.id, ':', t1.name)), 'shortname') as 'with distinct: cutoff at length of shortname' from t1;
103
# check zero rows (bug#836)
104
create table t1(id int);
105
create table t2(id int);
106
insert into t1 values(0),(1);
107
select group_concat(t1.id) FROM t1,t2;
112
create table t1 (bar varchar(32));
113
insert into t1 values('test1'),('test2');
114
select group_concat(bar order by concat(bar,bar)) from t1;
115
select group_concat(bar order by concat(bar,bar) desc) from t1;
116
select bar from t1 having group_concat(bar)='';
117
select bar from t1 having instr(group_concat(bar), "test") > 0;
118
select bar from t1 having instr(group_concat(bar order by concat(bar,bar) desc), "test2,test1") > 0;
121
# ORDER BY fix_fields()
122
create table t1 (a int, a1 varchar(10));
123
create table t2 (a0 int);
124
insert into t1 values (0,"a"),(0,"b"),(1,"c");
125
insert into t2 values (1),(2),(3);
126
select group_concat(a1 order by (t1.a IN (select a0 from t2))) from t1;
127
select group_concat(a1 order by (t1.a)) from t1;
131
# Problem with GROUP BY (Bug #2695)
134
CREATE TABLE t1 (id1 int NOT NULL, id2 int NOT NULL);
135
INSERT INTO t1 VALUES (1, 1),(1, 2),(1, 3),(1, 4),(1, 5),(2, 1),(2, 2),(2, 3);
136
CREATE TABLE t2 (id1 int NOT NULL);
137
INSERT INTO t2 VALUES (1),(2),(3),(4),(5);
138
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;
139
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;
140
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;
141
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;
143
# The following failed when it was run twice:
144
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;
145
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;
147
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;
151
# Problem with distinct (Bug #3381)
154
create table t1 (s1 char(10), s2 int not null);
155
insert into t1 values ('a',2),('b',2),('c',1),('a',3),('b',4),('c',4);
156
select distinct s1 from t1 order by s2,s1;
157
select group_concat(distinct s1) from t1;
158
select group_concat(distinct s1 order by s2) from t1 where s2 < 4;
159
# The following is wrong and needs to be fixed ASAP
160
select group_concat(distinct s1 order by s2) from t1;
164
# Test with subqueries (Bug #3319)
167
create table t1 (a int, c int);
168
insert into t1 values (1, 2), (2, 3), (2, 4), (3, 5);
169
create table t2 (a int, c int);
170
insert into t2 values (1, 5), (2, 4), (3, 3), (3,3);
171
select group_concat(c) from t1;
172
select group_concat(c order by (select c from t2 where t2.a=t1.a limit 1)) as grp from t1;
173
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;
174
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;
175
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;
176
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;
177
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;
179
# The following returns random results as we are sorting on blob addresses
180
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;
181
select group_concat(c order by (select concat(t1.c,group_concat(c)) from t2 where a=t1.a)) as grp from t1;
183
select a,c,(select group_concat(c order by a) from t2 where a=t1.a) as grp from t1 order by grp;
187
# group_concat of expression with GROUP BY and external GROUP BY
189
CREATE TABLE t1 ( a int );
190
CREATE TABLE t2 ( a int );
191
INSERT INTO t1 VALUES (1), (2);
192
INSERT INTO t2 VALUES (1), (2);
193
SELECT GROUP_CONCAT(t1.a*t2.a ORDER BY t2.a) FROM t1, t2 GROUP BY t1.a;
197
# Bug #4035: group_concat() and HAVING
200
CREATE TABLE t1 (a char(4));
201
INSERT INTO t1 VALUES ('John'), ('Anna'), ('Bill');
202
SELECT GROUP_CONCAT(a SEPARATOR '||') AS names FROM t1
203
HAVING names LIKE '%An%';
204
SELECT GROUP_CONCAT(a SEPARATOR '###') AS names FROM t1
205
HAVING LEFT(names, 1) ='J';
212
CREATE TABLE t1 ( a int, b TEXT );
213
INSERT INTO t1 VALUES (1,'First Row'), (2,'Second Row');
214
SELECT GROUP_CONCAT(b ORDER BY b) FROM t1 GROUP BY a;
218
# check null values #2
221
CREATE TABLE t1 (A_ID INT NOT NULL,A_DESC CHAR(3) NOT NULL,PRIMARY KEY (A_ID));
222
INSERT INTO t1 VALUES (1,'ABC'), (2,'EFG'), (3,'HIJ');
223
CREATE TABLE t2 (A_ID INT NOT NULL,B_DESC CHAR(3) NOT NULL,PRIMARY KEY (A_ID,B_DESC));
224
INSERT INTO t2 VALUES (1,'A'),(1,'B'),(3,'F');
225
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;
233
create table t1 (a int, b text);
234
insert into t1 values (1, 'bb'), (1, 'ccc'), (1, 'a'), (1, 'bb'), (1, 'ccc');
235
insert into t1 values (2, 'BB'), (2, 'CCC'), (2, 'A'), (2, 'BB'), (2, 'CCC');
236
select group_concat(b) from t1 group by a;
237
select group_concat(distinct b) from t1 group by a;
238
select group_concat(b order by b) from t1 group by a;
239
select group_concat(distinct b order by b) from t1 group by a;
240
set local group_concat_max_len=4;
241
select group_concat(b) from t1 group by a;
242
select group_concat(distinct b) from t1 group by a;
243
select group_concat(b order by b) from t1 group by a;
244
select group_concat(distinct b order by b) from t1 group by a;
250
insert into t1 values (1, concat(repeat('1', 300), '2')),
251
(1, concat(repeat('1', 300), '2')), (1, concat(repeat('0', 300), '1')),
252
(2, concat(repeat('1', 300), '2')), (2, concat(repeat('1', 300), '2')),
253
(2, concat(repeat('0', 300), '1'));
254
set local group_concat_max_len=1024;
255
select group_concat(b) from t1 group by a;
256
select group_concat(distinct b) from t1 group by a;
257
select group_concat(b order by b) from t1 group by a;
258
select group_concat(distinct b order by b) from t1 group by a;
259
set local group_concat_max_len=400;
260
select group_concat(b) from t1 group by a;
261
select group_concat(distinct b) from t1 group by a;
262
select group_concat(b order by b) from t1 group by a;
263
select group_concat(distinct b order by b) from t1 group by a;
270
create table t1 (a varchar(255), b varchar(255) );
271
insert into t1 values ('xxx','yyy');
272
select collation(a) from t1;
273
select collation(group_concat(a)) from t1;
274
create table t2 select group_concat(a) as a from t1;
275
show create table t2;
276
select collation(group_concat(a,b)) from t1;
282
# Cannot convert the charset of a GROUP_CONCAT result
284
#CREATE TABLE t1 (a VARCHAR(10));
285
#INSERT INTO t1 VALUES ('�');
287
#SELECT GROUP_CONCAT(a) FROM t1;
291
# bug #7769: group_concat returning null is checked in having
293
CREATE TABLE t1 (id int);
294
SELECT GROUP_CONCAT(id) AS gc FROM t1 HAVING gc IS NULL;
298
# Bug #8656: Crash with group_concat on alias in outer table
300
create table t2 (a int, b int);
301
insert into t2 values (1,1), (2,2);
302
select b x, (select group_concat(x) from t2) from t2;
306
# Bug #7405: problems with rollup
309
create table t1 (d int not null auto_increment,primary key(d), a int, b int, c int);
310
insert into t1(a,b) values (1,3), (1,4), (1,2), (2,7), (1,1), (1,2), (2,3), (2,3);
311
select d,a,b from t1 order by a;
312
explain select a, group_concat(b) from t1 group by a with rollup;
313
select a, group_concat(b) from t1 group by a with rollup;
314
select a, group_concat(distinct b) from t1 group by a with rollup;
315
select a, group_concat(b order by b) from t1 group by a with rollup;
316
select a, group_concat(distinct b order by b) from t1 group by a with rollup;
322
create table t1 (a char(3), b char(20), primary key (a, b));
323
insert into t1 values ('ABW', 'Dutch'), ('ABW', 'English');
324
select group_concat(a) from t1 group by b;
327
# Bug #12095: GROUP_CONCAT for one row table
331
aID int NOT NULL auto_increment,
332
sometitle varchar(155) NOT NULL default '',
335
UNIQUE KEY sometitle (sometitle)
337
INSERT INTO t1 SET sometitle = 'title1', bID = 1;
338
INSERT INTO t1 SET sometitle = 'title2', bID = 1;
341
bID int NOT NULL auto_increment,
342
somename varchar(155) NOT NULL default '',
344
UNIQUE KEY somename (somename)
346
INSERT INTO t2 SET somename = 'test';
348
SELECT COUNT(*), GROUP_CONCAT(DISTINCT t2.somename SEPARATOR ' |')
349
FROM t1 JOIN t2 ON t1.bID = t2.bID;
350
INSERT INTO t2 SET somename = 'test2';
351
SELECT COUNT(*), GROUP_CONCAT(DISTINCT t2.somename SEPARATOR ' |')
352
FROM t1 JOIN t2 ON t1.bID = t2.bID;
353
DELETE FROM t2 WHERE somename = 'test2';
354
SELECT COUNT(*), GROUP_CONCAT(DISTINCT t2.somename SEPARATOR ' |')
355
FROM t1 JOIN t2 ON t1.bID = t2.bID;
360
# Bug #12859 group_concat in subquery cause incorrect not null
362
create table t1 ( a int not null default 0);
363
select * from (select group_concat(a) from t1) t2;
364
select group_concat('x') UNION ALL select 1;
368
# Bug #12863 : missing separators after first empty cancatanated elements
371
CREATE TABLE t1 (id int, a varchar(9));
372
INSERT INTO t1 VALUES
373
(2, ''), (1, ''), (2, 'x'), (1, 'y'), (3, 'z'), (3, '');
375
SELECT GROUP_CONCAT(a) FROM t1;
376
SELECT GROUP_CONCAT(a ORDER BY a) FROM t1;
378
SELECT GROUP_CONCAT(a) FROM t1 GROUP BY id;
379
SELECT GROUP_CONCAT(a ORDER BY a) FROM t1 GROUP BY id;
384
# Bug #15560: GROUP_CONCAT wasn't ready for WITH ROLLUP queries
386
create table t1(f1 int);
387
insert into t1 values(1),(2),(3);
388
select f1, group_concat(f1+1) from t1 group by f1 with rollup;
389
select count(distinct (f1+1)) from t1 group by f1 with rollup;
393
# Bug#14169 type of group_concat() result changed to blob if tmp_table was used
395
create table t1 (f1 int, f2 varchar(255));
396
insert into t1 values (1,repeat('a',255)),(2,repeat('b',255));
398
select f2,group_concat(f1) from t1 group by f2;
405
# Bug#8568 "GROUP_CONCAT returns string, unless in a UNION in which case
406
# returns BLOB": add a test case, the bug can not be repeated any more.
409
create table t1 (a char, b char);
410
insert into t1 values ('a', 'a'), ('a', 'b'), ('b', 'a'), ('b', 'b');
411
create table t2 select group_concat(b) as a from t1 where a = 'a';
412
create table t3 (select group_concat(a) as a from t1 where a = 'a') union
413
(select group_concat(b) as a from t1 where a = 'b');
414
drop table t1, t2, t3;
417
# Bug #16712: group_concat returns odd string instead of intended result
419
CREATE TABLE t1 (a INT, b LONGTEXT, PRIMARY KEY (a));
421
SET GROUP_CONCAT_MAX_LEN = 20000000;
423
INSERT INTO t1 VALUES (1,REPEAT(CONCAT('A',CAST(CHAR(0) AS BINARY),'B'), 40000));
424
INSERT INTO t1 SELECT a + 1, b FROM t1;
426
SELECT a, CHAR_LENGTH(b) FROM t1;
427
SELECT CHAR_LENGTH( GROUP_CONCAT(b) ) FROM t1;
428
SET GROUP_CONCAT_MAX_LEN = 1024;
432
# Bug #22015: crash with GROUP_CONCAT over a derived table that
433
# returns the results of aggregation by GROUP_CONCAT
436
CREATE TABLE t1 (a int, b int);
438
INSERT INTO t1 VALUES (2,1), (1,2), (2,2), (1,3);
440
SELECT GROUP_CONCAT(a), x
441
FROM (SELECT a, GROUP_CONCAT(b) x FROM t1 GROUP BY a) AS s
446
# Bug#23451 GROUP_CONCAT truncates a multibyte utf8 character
453
insert into t1 values (repeat('a', 1022), 0), (repeat(_utf8 0xc3b7, 4), 0);
457
eval set group_concat_max_len= 1022 + $1;
459
select @x:=group_concat(x) from t1 group by y;
461
select @@group_concat_max_len, length(@x), char_length(@x), right(@x,12), right(HEX(@x),12);
465
set group_concat_max_len=1024;
468
# Bug#14169 type of group_concat() result changed to blob if tmp_table was used
470
create table t1 (f1 int, f2 varchar(255));
471
insert into t1 values (1,repeat('a',255)),(2,repeat('b',255));
473
select f2,group_concat(f1) from t1 group by f2;
478
# Bug #26815: Unexpected built-in function behavior: group_concat(distinct
481
CREATE TABLE t1(a TEXT, b CHAR(20));
482
INSERT INTO t1 VALUES ("one.1","one.1"),("two.2","two.2"),("one.3","one.3");
483
SELECT GROUP_CONCAT(DISTINCT UCASE(a)) FROM t1;
484
SELECT GROUP_CONCAT(DISTINCT UCASE(b)) FROM t1;
488
# Bug #28273: GROUP_CONCAT and ORDER BY: No warning when result gets truncated.
490
CREATE TABLE t1( a VARCHAR( 10 ), b INT );
491
INSERT INTO t1 VALUES ( repeat( 'a', 10 ), 1),
492
( repeat( 'b', 10 ), 2);
493
SET group_concat_max_len = 20;
494
SELECT GROUP_CONCAT( a ) FROM t1;
495
SELECT GROUP_CONCAT( DISTINCT a ) FROM t1;
496
SELECT GROUP_CONCAT( a ORDER BY b ) FROM t1;
497
SELECT GROUP_CONCAT( DISTINCT a ORDER BY b ) FROM t1;
498
SET group_concat_max_len = DEFAULT;
500
# Bug #23856:GROUP_CONCAT and ORDER BY: junk from previous rows for query on I_S
502
SET group_concat_max_len= 65535;
503
CREATE TABLE t1( a TEXT, b INTEGER );
504
INSERT INTO t1 VALUES ( 'a', 0 ), ( 'b', 1 );
505
SELECT GROUP_CONCAT( a ORDER BY b ) FROM t1;
506
SELECT GROUP_CONCAT(DISTINCT a ORDER BY b) FROM t1;
507
SELECT GROUP_CONCAT(DISTINCT a) FROM t1;
508
SET group_concat_max_len= 10;
509
SELECT GROUP_CONCAT(a ORDER BY b) FROM t1;
510
SELECT GROUP_CONCAT(DISTINCT a ORDER BY b) FROM t1;
511
SELECT GROUP_CONCAT(DISTINCT a) FROM t1;
513
SET group_concat_max_len= 65535;
514
CREATE TABLE t2( a TEXT );
515
INSERT INTO t2 VALUES( REPEAT( 'a', 5000 ) );
516
INSERT INTO t2 VALUES( REPEAT( 'b', 5000 ) );
517
INSERT INTO t2 VALUES( REPEAT( 'a', 5000 ) );
518
SELECT LENGTH( GROUP_CONCAT( DISTINCT a ) ) FROM t2;
520
CREATE TABLE t3( a TEXT, b INT );
521
INSERT INTO t3 VALUES( REPEAT( 'a', 65534 ), 1 );
522
INSERT INTO t3 VALUES( REPEAT( 'a', 65535 ), 2 );
523
INSERT INTO t3 VALUES( REPEAT( 'a', 65533 ), 3 );
524
SELECT LENGTH( GROUP_CONCAT( a ) ) FROM t3 WHERE b = 1;
525
SELECT LENGTH( GROUP_CONCAT( a ) ) FROM t3 WHERE b = 2;
526
SELECT LENGTH( GROUP_CONCAT( a ) ) FROM t3 WHERE b = 3;
528
SET group_concat_max_len= DEFAULT;
529
DROP TABLE t1, t2, t3;
532
# Bug#29850: Wrong charset of the GROUP_CONCAT result when the select employs
535
#create table t1 (id int, name varchar(20));
536
#insert into t1 (id, name) values (1, "�ra");
537
#insert into t1 (id, name) values (2, "�ra");
538
#select b.id, group_concat(b.name) from t1 a, t1 b group by b.id;
542
# Bug#30897 GROUP_CONCAT returns extra comma on empty fields
544
create table t1 (f1 char(20));
545
insert into t1 values (''),('');
546
select group_concat(distinct f1) from t1;
547
select group_concat(f1) from t1;
549
# Bug#32798: DISTINCT in GROUP_CONCAT clause fails when ordering by a column
552
CREATE TABLE t1 (a INT, b INT);
554
INSERT INTO t1 VALUES (1, 1), (2, 2), (2, 3);
556
SELECT GROUP_CONCAT(DISTINCT a ORDER BY b) FROM t1;
557
SELECT GROUP_CONCAT(DISTINCT a ORDER BY b DESC) FROM t1;
558
SELECT GROUP_CONCAT(DISTINCT a) FROM t1;
560
SELECT GROUP_CONCAT(DISTINCT a + 1 ORDER BY 3 - b) FROM t1;
561
SELECT GROUP_CONCAT(DISTINCT a + 1 ORDER BY b) FROM t1;
562
SELECT GROUP_CONCAT(a ORDER BY 3 - b) FROM t1;
564
CREATE TABLE t2 (a INT, b INT, c INT, d INT);
566
# There is one duplicate in the expression list: 1,10
567
# There is one duplicate in ORDER BY list, but that shouldnt matter: 1,10
568
INSERT INTO t2 VALUES (1,1, 1,1), (1,1, 2,2), (1,2, 2,1), (2,1, 1,2);
570
SELECT GROUP_CONCAT(DISTINCT a, b ORDER BY c, d) FROM t2;
571
SELECT GROUP_CONCAT(DISTINCT a, b ORDER BY d, c) FROM t2;
573
CREATE TABLE t3 (a INT, b INT, c INT);
575
INSERT INTO t3 VALUES (1, 1, 1), (2, 1, 2), (3, 2, 1);
577
SELECT GROUP_CONCAT(DISTINCT a, b ORDER BY b, c) FROM t3;
578
SELECT GROUP_CONCAT(DISTINCT a, b ORDER BY c, b) FROM t3;
580
SELECT GROUP_CONCAT(DISTINCT a, b ORDER BY a, b) FROM t1;
581
SELECT GROUP_CONCAT(DISTINCT b, a ORDER BY a, b) FROM t1;
582
SELECT GROUP_CONCAT(DISTINCT a, b ORDER BY b, a) FROM t1;
583
SELECT GROUP_CONCAT(DISTINCT b, a ORDER BY a, b) FROM t1;
584
SELECT GROUP_CONCAT(DISTINCT a ORDER BY a, b) FROM t1;
585
SELECT GROUP_CONCAT(DISTINCT b ORDER BY b, a) FROM t1;
586
SELECT GROUP_CONCAT(DISTINCT a, b ORDER BY a) FROM t1;
587
SELECT GROUP_CONCAT(DISTINCT b, a ORDER BY b) FROM t1;
589
DROP TABLE t1, t2, t3;
592
# Bug #34747: crash in debug assertion check after derived table
594
CREATE TABLE t1(a INT);
595
INSERT INTO t1 VALUES (),();
600
GROUP_CONCAT(DISTINCT t1.a) AS d2
608
--echo End of 5.0 tests