~drizzle-trunk/drizzle/development

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
#
# simple test of all group functions
#

--disable_warnings
drop table if exists t1,t2;
--enable_warnings

set @sav_dpi= @@div_precision_increment;
set div_precision_increment= 5;
show variables like 'div_precision_increment';
create table t1 (grp int, a bigint, c char(10) not null);
insert into t1 values (1,1,"a");
insert into t1 values (2,2,"b");
insert into t1 values (2,3,"c");
insert into t1 values (3,4,"E");
insert into t1 values (3,5,"C");
insert into t1 values (3,6,"D");

# Test of MySQL field extension with and without matching records.
select a,c,sum(a) from t1 group by a;
select a,c,sum(a) from t1 where a > 10 group by a;
select sum(a) from t1 where a > 10;
select a from t1 order by rand(10);
select distinct a from t1 order by rand(10);
select count(distinct a),count(distinct grp) from t1;
insert into t1 values (null,null,'');
select count(distinct a),count(distinct grp) from t1;

create table t2 (grp int, a bigint, c char(10));
insert into t2 select grp,max(a)+max(grp),max(c) from t1 group by grp;

# REPLACE ... SELECT doesn't yet work with PS
replace into t2 select grp, a, c from t1 limit 2,1;
select * from t2;

drop table t1,t2;

#
# Problem with std()
#

CREATE TABLE t1 (id int,value1 float(10,2));
INSERT INTO t1 VALUES (1,0.00),(1,1.00), (1,2.00), (2,10.00), (2,11.00), (2,12.00); 
CREATE TABLE t2 (id int,name char(20)); 
INSERT INTO t2 VALUES (1,'Set One'),(2,'Set Two'); 
select id, avg(value1), std(value1), variance(value1) from t1 group by id;
select name, avg(value1), std(value1), variance(value1) from t1, t2 where t1.id = t2.id group by t1.id;
drop table t1,t2;

#
# Test of bug in left join & avg
#

create table t1 (id int not null);
create table t2 (id int not null,rating int null);
insert into t1 values(1),(2),(3);
insert into t2 values(1, 3),(2, NULL),(2, NULL),(3, 2),(3, NULL);
select t1.id, avg(rating) from t1 left join t2 on ( t1.id = t2.id ) group by t1.id;
# Test different types with avg()
select sql_small_result t2.id, avg(rating) from t2 group by t2.id;
select sql_big_result t2.id, avg(rating) from t2 group by t2.id;
select sql_small_result t2.id, avg(rating+0.0e0) from t2 group by t2.id;
select sql_big_result t2.id, avg(rating+0.0e0) from t2 group by t2.id;
drop table t1,t2;

#
# test of count
#
create table t1 (a int primary key, c char(10), b text);
INSERT INTO t1 VALUES (1,'1','1');
INSERT INTO t1 VALUES (2,'2','2');
INSERT INTO t1 VALUES (4,'4','4');

select count(*) from t1;
select count(*) from t1 where a = 1;
select count(*) from t1 where a = 100;
select count(*) from t1 where a >= 10;
select count(a) from t1 where a = 1;
select count(a) from t1 where a = 100;
select count(a) from t1 where a >= 10;
select count(b) from t1 where b >= 2;
select count(b) from t1 where b >= 10;
select count(c) from t1 where c = 10;
drop table t1;

#
# Test of bug in COUNT(i)*(i+0)
#

CREATE TABLE t1 (d DATETIME, i INT);
INSERT INTO t1 VALUES (NOW(), 1);
SELECT COUNT(i), i, COUNT(i)*i FROM t1 GROUP BY i;
SELECT COUNT(i), (i+0), COUNT(i)*(i+0) FROM t1 GROUP BY i; 
DROP TABLE t1;

#
# Another SUM() problem with 3.23.2
#

create table t1 (
        num float(5,2),
        user char(20)
);
insert into t1 values (10.3,'nem'),(20.53,'monty'),(30.23,'sinisa');
insert into t1 values (30.13,'nem'),(20.98,'monty'),(10.45,'sinisa');
insert into t1 values (5.2,'nem'),(8.64,'monty'),(11.12,'sinisa');
select sum(num) from t1;
select sum(num) from t1 group by user;
drop table t1;

#
# Test problem with MIN() optimization in case of null values
#

create table t1 (a1 int, a2 char(3), key k1(a1), key k2(a2));
insert into t1 values(10,'aaa'), (10,null), (10,'bbb'), (20,'zzz');
create table t2(a1 char(3), a2 int, a3 real, key k1(a1), key k2(a2, a1));
select * from t1;
# The following returned NULL in 4.0.10
select min(a2) from t1;
select max(t1.a1), max(t2.a2) from t1, t2;
select max(t1.a1) from t1, t2;
select max(t2.a2), max(t1.a1) from t1, t2;

explain select min(a2) from t1;
explain select max(t1.a1), max(t2.a2) from t1, t2;

insert into t2 values('AAA', 10, 0.5);
insert into t2 values('BBB', 20, 1.0);
--sorted_result
select t1.a1, t1.a2, t2.a1, t2.a2 from t1,t2;

select max(t1.a1), max(t2.a1) from t1, t2 where t2.a2=9;
select max(t2.a1), max(t1.a1) from t1, t2 where t2.a2=9;
select t1.a1, t1.a2, t2.a1, t2.a2 from t1 left outer join t2 on t1.a1=10;
select max(t1.a2) from t1 left outer join t2 on t1.a1=10;
select max(t2.a1) from t2 left outer join t1 on t2.a2=10 where t2.a2=20;
select max(t2.a1) from t2 left outer join t1 on t2.a2=10 where t2.a2=10;
select max(t2.a1) from t1 left outer join t2 on t1.a2=t2.a1 and 1=0 where t2.a1='AAA';
select max(t1.a2),max(t2.a1) from t1 left outer join t2 on t1.a1=10;
drop table t1,t2;

#
# Bug #3376: avg() and an empty table
#

create table t1 (a int);
select avg(2) from t1;
drop table t1;

#
# Tests to check MIN/MAX query optimization
#

# Create database schema
create table t1(
  a1 char(3) primary key,
  a2 int,
  a3 char(3),
  a4 real,
  a5 date,
  key k1(a2,a3),
  key k2(a4 desc,a1),
  key k3(a5,a1)
);
create table t2(
  a1 char(3) primary key,
  a2 char(17),
  a3 char(2),
  a4 char(3),
  key k1(a3, a2),
  key k2(a4)
);

# Populate table t1
insert into t1 values('AME',0,'SEA',0.100,date'1942-02-19');
insert into t1 values('HBR',1,'SEA',0.085,date'1948-03-05');
insert into t1 values('BOT',2,'SEA',0.085,date'1951-11-29');
insert into t1 values('BMC',3,'SEA',0.085,date'1958-09-08');
insert into t1 values('TWU',0,'LAX',0.080,date'1969-10-05');
insert into t1 values('BDL',0,'DEN',0.080,date'1960-11-27');
insert into t1 values('DTX',1,'NYC',0.080,date'1961-05-04');
insert into t1 values('PLS',1,'WDC',0.075,date'1949-01-02');
insert into t1 values('ZAJ',2,'CHI',0.075,date'1960-06-15');
insert into t1 values('VVV',2,'MIN',0.075,date'1959-06-28');
insert into t1 values('GTM',3,'DAL',0.070,date'1977-09-23');
insert into t1 values('SSJ',null,'CHI',null,date'1974-03-19');
insert into t1 values('KKK',3,'ATL',null,null);
insert into t1 values('XXX',null,'MIN',null,null);
insert into t1 values('WWW',1,'LED',null,null);

# Populate table t2
insert into t2 values('TKF','Seattle','WA','AME');
insert into t2 values('LCC','Los Angeles','CA','TWU');
insert into t2 values('DEN','Denver','CO','BDL');
insert into t2 values('SDC','San Diego','CA','TWU');
insert into t2 values('NOL','New Orleans','LA','GTM');
insert into t2 values('LAK','Los Angeles','CA','TWU');
insert into t2 values('AAA','AAA','AA','AME');

# Show the table contents
--sorted_result
select * from t1;
--sorted_result
select * from t2;

# Queries with min/max functions 
# which regular min/max optimization are applied to

explain 
select min(a1) from t1;
select min(a1) from t1;
explain 
select max(a4) from t1;
select max(a4) from t1;
explain 
select min(a5), max(a5) from t1;
select min(a5), max(a5) from t1;
explain 
select min(a3) from t1 where a2 = 2;
select min(a3) from t1 where a2 = 2;
explain 
select min(a1), max(a1) from t1 where a4 = 0.080;
select min(a1), max(a1) from t1 where a4 = 0.080;

explain 
select min(t1.a5), max(t2.a3) from t1, t2;
select min(t1.a5), max(t2.a3) from t1, t2;
explain 
select min(t1.a3), max(t2.a2) from t1, t2 where t1.a2 = 0 and t2.a3 = 'CA';
select min(t1.a3), max(t2.a2) from t1, t2 where t1.a2 = 0 and t2.a3 = 'CA';

# Queries with min/max functions 
# which extended min/max optimization are applied to

explain 
select min(a1) from t1 where a1 > 'KKK';
select min(a1) from t1 where a1 > 'KKK';
explain 
select min(a1) from t1 where a1 >= 'KKK';
select min(a1) from t1 where a1 >= 'KKK';
explain 
select max(a3) from t1 where a2 = 2 and a3 < 'SEA';
select max(a3) from t1 where a2 = 2 and a3 < 'SEA';
explain 
select max(a5) from t1 where a5 < date'1970-01-01';
select max(a5) from t1 where a5 < date'1970-01-01';
explain 
select max(a3) from t1 where a2 is null;
select max(a3) from t1 where a2 is null;
explain 
select max(a3) from t1 where a2 = 0 and a3 between 'K' and 'Q';
select max(a3) from t1 where a2 = 0 and a3 between 'K' and 'Q';
explain
select min(a1), max(a1) from t1 where a1 between 'A' and 'P';
select min(a1), max(a1) from t1 where a1 between 'A' and 'P';
explain 
select max(a3) from t1 where a3 < 'SEA' and a2 = 2 and a3 <= 'MIN';
select max(a3) from t1 where a3 < 'SEA' and a2 = 2 and a3 <= 'MIN';
explain 
select max(a3) from t1 where a3 = 'MIN' and a2 = 2;
select max(a3) from t1 where a3 = 'MIN' and a2 = 2;
explain 
select max(a3) from t1 where a3 = 'DEN' and a2 = 2;
select max(a3) from t1 where a3 = 'DEN' and a2 = 2;

explain
select max(t1.a3), min(t2.a2) from t1, t2 where t1.a2 = 2 and t1.a3 < 'MIN' and t2.a3 = 'CA';
select max(t1.a3), min(t2.a2) from t1, t2 where t1.a2 = 2 and t1.a3 < 'MIN' and t2.a3 = 'CA';

explain
select max(a3) from t1 where a2 is null and a2 = 2;
select max(a3) from t1 where a2 is null and a2 = 2;

explain
select max(a2) from t1 where a2 >= 1;
select max(a2) from t1 where a2 >= 1;
explain
select min(a3) from t1 where a2 = 2 and a3 < 'SEA';
select min(a3) from t1 where a2 = 2 and a3 < 'SEA';

explain
select min(a3) from t1 where a2 = 4;
select min(a3) from t1 where a2 = 4;
explain
select min(a3) from t1 where a2 = 2 and a3 > 'SEA';
select min(a3) from t1 where a2 = 2 and a3 > 'SEA';
explain
select (min(a4)+max(a4))/2 from t1;
select (min(a4)+max(a4))/2 from t1;
explain
select min(a3) from t1 where 2 = a2;
select min(a3) from t1 where 2 = a2;
explain
select max(a3) from t1 where a2 = 2 and 'SEA' > a3;
select max(a3) from t1 where a2 = 2 and 'SEA' > a3;
explain
select max(a3) from t1 where a2 = 2 and 'SEA' < a3;
select max(a3) from t1 where a2 = 2 and 'SEA' < a3;
explain
select min(a3) from t1 where a2 = 2 and a3 >= 'CHI';
select min(a3) from t1 where a2 = 2 and a3 >= 'CHI';
explain
select min(a3) from t1 where a2 = 2 and a3 >= 'CHI' and a3 < 'SEA';
select min(a3) from t1 where a2 = 2 and a3 >= 'CHI' and a3 < 'SEA';
explain
select min(a3) from t1 where a2 = 2 and a3 >= 'CHI' and a3 = 'MIN';
select min(a3) from t1 where a2 = 2 and a3 >= 'CHI' and a3 = 'MIN';
explain
select min(a3) from t1 where a2 = 2 and a3 >= 'SEA' and a3 = 'MIN';
select min(a3) from t1 where a2 = 2 and a3 >= 'SEA' and a3 = 'MIN';

explain
select min(t1.a1), min(t2.a4) from t1,t2 where t1.a1 < 'KKK' and t2.a4 < 'KKK';
select min(t1.a1), min(t2.a4) from t1,t2 where t1.a1 < 'KKK' and t2.a4 < 'KKK';

# Queries to which max/min optimization is not applied

explain 
select min(a1) from t1 where a1 > 'KKK' or a1 < 'XXX';
explain 
select min(a1) from t1 where a1 != 'KKK';
explain
select max(a3) from t1 where a2 < 2 and a3 < 'SEA';
explain
select max(t1.a3), min(t2.a2) from t1, t2 where t1.a2 = 2 and t1.a3 < 'MIN' and t2.a3 > 'CA';

explain
select min(a4 - 0.01) from t1;
explain
select max(a4 + 0.01) from t1;
explain
select min(a3) from t1 where (a2 +1 ) is null;
explain
select min(a3) from t1 where (a2 + 1) = 2;
explain
select min(a3) from t1 where 2 = (a2 + 1);
explain
select min(a2) from t1 where a2 < 2 * a2 - 8;
explain
select min(a1) from t1  where a1 between a3 and 'KKK';
explain
select min(a4) from t1  where (a4 + 0.01) between 0.07 and 0.08;
explain
select concat(min(t1.a1),min(t2.a4)) from t1, t2 where t2.a4 <> 'AME';
drop table t1, t2;

# Moved to func_group_innodb
#--disable_warnings
#create table t1 (USR_ID integer not null, MAX_REQ integer not null, constraint PK_SEA_USER primary key (USR_ID)) engine=InnoDB;
#--enable_warnings
#insert into t1 values (1, 3);
#select count(*) + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ + MAX_REQ - MAX_REQ from t1 group by MAX_REQ;
#select Case When Count(*) < MAX_REQ Then 1 Else 0 End from t1 where t1.USR_ID = 1 group by MAX_REQ;
#drop table t1;

#
# Bug #6658 MAX(column) returns incorrect coercibility
#
create table t1 (a char);
insert into t1 values ('a'),('b');
--replace_regex /ENGINE=[a-zA-Z]+/ENGINE=DEFAULT/
show create table t1;
create table t2 select max(a),min(a) from t1;
--replace_regex /ENGINE=[a-zA-Z]+/ENGINE=DEFAULT/
show create table t2;
drop table t2;
create table t2 select concat(a) from t1;
--replace_regex /ENGINE=[a-zA-Z]+/ENGINE=DEFAULT/
show create table t2;
drop table t2,t1;

#
# aggregate functions on static tables
#
create table t1 (a int);
insert into t1 values (1);
select max(a) as b from t1 having b=1;
select a from t1 having a=1;
drop table t1;

#
# Bug #3435: variance(const), stddev(const) and an empty table
#

create table t1 (a int);
select variance(2) from t1;
select stddev(2) from t1;
drop table t1;


#
# cleunup() of optimized away count(*) and max/min
#
create table t1 (a int);
insert into t1 values (1),(2);
SELECT COUNT(*) FROM t1;
SELECT COUNT(*) FROM t1;
SELECT COUNT(*) FROM t1;
drop table t1;

create table t1 (a int, primary key(a));
insert into t1 values (1),(2);
SELECT max(a) FROM t1;
SELECT max(a) FROM t1;
SELECT max(a) FROM t1;
drop table t1;

#
# Bug #5406 min/max optimization for empty set
#

CREATE TABLE t1 (a int primary key);
INSERT INTO t1 VALUES (1),(2),(3),(4);

SELECT MAX(a) FROM t1 WHERE a > 5;
SELECT MIN(a) FROM t1 WHERE a < 0;

DROP TABLE t1;

#
# Bug #5555 GROUP BY enum_field" returns incorrect results
#
 
CREATE TEMPORARY TABLE t1 (
  id int NOT NULL auto_increment,
  val enum('one','two','three') NOT NULL default 'one',
  PRIMARY KEY  (id)
) ENGINE=MyISAM;
 
INSERT INTO t1 VALUES
(1,'one'),(2,'two'),(3,'three'),(4,'one'),(5,'two');
 
select val, count(*) from t1 group by val;
drop table t1;

#
# Bug #5615: type of aggregate function column wrong when using group by
#

create table t1(a int, b datetime);
insert into t1 values (1, NOW()), (2, NOW());
create table t2 select MAX(b) from t1 group by a;
--replace_regex /ENGINE=[a-zA-Z]+/ENGINE=DEFAULT/
show create table t2;
drop table t1, t2;

#
# Bug 7833:  Wrong datatype of aggregate column is returned
#

create table t1(f1 datetime);
insert into t1 values (now());
create table t2 select f2 from (select max(now()) f2 from t1) a;
show columns from t2;
drop table t2;
create table t2 select f2 from (select now() f2 from t1) a;
show columns from t2;
drop table t2, t1;

#
# Bug 8893: wrong result for min/max optimization with 2 indexes
#

CREATE TABLE t1(
  id int PRIMARY KEY,
  a  int,
  b  int,
  INDEX i_b_id(a,b,id),
  INDEX i_id(a,id)
);
INSERT INTO t1 VALUES 
  (1,1,4), (2,2,1), (3,1,3), (4,2,1), (5,1,1);
SELECT MAX(id) FROM t1 WHERE id < 3 AND a=2 AND b=6;
DROP TABLE t1;

# change the order of the last two index definitions

CREATE TABLE t1(
  id int PRIMARY KEY,
  a  int,
  b  int,
  INDEX i_id(a,id),
  INDEX i_b_id(a,b,id)
);
INSERT INTO t1 VALUES 
  (1,1,4), (2,2,1), (3,1,3), (4,2,1), (5,1,1);
SELECT MAX(id) FROM t1 WHERE id < 3 AND a=2 AND b=6;
DROP TABLE t1;


#
# Bug #12882  	min/max inconsistent on empty table
#
# Test case moved to func_group_innodb
#
# Bug #18206: min/max optimization cannot be applied to partial index
#

CREATE TABLE t1 (id int PRIMARY KEY, b char(3), INDEX(b));
INSERT INTO t1 VALUES (1,'xx'), (2,'aa');
SELECT * FROM t1;

SELECT MAX(b) FROM t1 WHERE b < 'ppppp';
SHOW WARNINGS;
SELECT MAX(b) FROM t1 WHERE b < 'pp';
DROP TABLE t1;

CREATE TABLE t1 (id int PRIMARY KEY, b char(16), INDEX(b(4)));
INSERT INTO t1 VALUES (1, 'xxxxbbbb'), (2, 'xxxxaaaa');
SELECT MAX(b) FROM t1;
EXPLAIN SELECT MAX(b) FROM t1;
DROP TABLE t1;

#
# Bug #16792  query with subselect, join, and group not returning proper values
#
CREATE TABLE t1 (a INT, b INT);
INSERT INTO t1 VALUES (1,1),(1,2),(2,3);

SELECT (SELECT COUNT(DISTINCT t1.b)) FROM t1 GROUP BY t1.a;
SELECT (SELECT COUNT(DISTINCT 12)) FROM t1 GROUP BY t1.a;
# an attempt to test all aggregate function with no table.
SELECT AVG(2), COUNT(*), COUNT(12),
       COUNT(DISTINCT 12), MIN(2),MAX(2),STD(2), VARIANCE(2),SUM(2),
       GROUP_CONCAT(2),GROUP_CONCAT(DISTINCT 2);
DROP TABLE t1;

# End of 4.1 tests

#
# decimal-related tests
#
create table t2 (ff double);
insert into t2 values (2.2);
select cast(sum(distinct ff) as decimal(5,2)) from t2;
select sum(distinct ff) from t2;
select cast(variance(ff) as decimal(10,3)) from t2;
select cast(min(ff) as decimal(5,2)) from t2;

create table t1 (df decimal(5,1));
insert into t1 values(1.1);
insert into t1 values(2.2);
select sum(distinct df) from t1;
select min(df) from t1;
select 1e8 * sum(distinct df) from t1;
select 1e8 * min(df) from t1;

create table t3 (ifl int);
insert into t3 values(1), (2);
select cast(min(ifl) as decimal(5,2)) from t3;

drop table t1, t2, t3;


#
# BUG#3190, WL#1639: Standard Deviation STDDEV - 2 different calculations
#

CREATE TABLE t1 (id int,value1 float(10,2));
INSERT INTO t1 VALUES (1,0.00),(1,1.00), (1,2.00), (2,10.00), (2,11.00), (2,12.00), (2,13.00);
select id, stddev_pop(value1), var_pop(value1), stddev_samp(value1), var_samp(value1) from t1 group by id;
DROP TABLE t1;

#
# BUG#8464 decimal AVG returns incorrect result
#

CREATE TABLE t1 (col1 decimal(16,12));
INSERT INTO t1 VALUES (-5.00000000001),(-5.00000000002),(-5.00000000003),(-5.00000000000),(-5.00000000001),(-5.00000000002);
insert into t1 select * from t1;
select col1,count(col1),sum(col1),avg(col1) from t1 group by col1;
DROP TABLE t1;

#
# BUG#8465 decimal MIN and MAX return incorrect result
#

create table t1 (col1 decimal(16,12));
insert into t1 values (-5.00000000001);
insert into t1 values (-5.00000000001);
select col1,sum(col1),max(col1),min(col1) from t1 group by col1;
delete from t1;
insert into t1 values (5.00000000001);
insert into t1 values (5.00000000001);
select col1,sum(col1),max(col1),min(col1) from t1 group by col1;
DROP TABLE t1;

#
# Test that new VARCHAR correctly works with COUNT(DISTINCT)
#

CREATE TABLE t1 (a VARCHAR(400));
INSERT INTO t1 (a) VALUES ("A"), ("a"), ("a "), ("a   "),
                          ("B"), ("b"), ("b "), ("b   ");
SELECT COUNT(DISTINCT a) FROM t1;
DROP TABLE t1;

#
# Test for buf #9210: GROUP BY with expression if a decimal type
#

CREATE TABLE t1 (a int, b int, c int);
INSERT INTO t1 (a, b, c) VALUES
  (1,1,1), (1,1,2), (1,1,3),
  (1,2,1), (1,2,2), (1,2,3),
  (1,3,1), (1,3,2), (1,3,3),
  (2,1,1), (2,1,2), (2,1,3),
  (2,2,1), (2,2,2), (2,2,3),
  (2,3,1), (2,3,2), (2,3,3),
  (3,1,1), (3,1,2), (3,1,3),
  (3,2,1), (3,2,2), (3,2,3),
  (3,3,1), (3,3,2), (3,3,3);

--sorted_result
SELECT b/c as v, a FROM t1 ORDER BY v;
SELECT b/c as v, SUM(a) FROM t1 GROUP BY v;
SELECT SUM(a) FROM t1 GROUP BY b/c;

DROP TABLE t1;
set div_precision_increment= @sav_dpi;

#
# Bug #20868: Client connection is broken on SQL query error
#
CREATE TABLE t1 (a INT PRIMARY KEY, b INT);
INSERT INTO t1 VALUES (1,1), (2,2);

CREATE TABLE t2 (a INT PRIMARY KEY, b INT);
INSERT INTO t2 VALUES (1,1), (3,3);

--sorted_result
SELECT 
  (SELECT SUM(c.a) FROM t1 ttt, t2 ccc 
   WHERE ttt.a = ccc.b AND ttt.a = t.a GROUP BY ttt.a) AS minid   
FROM t1 t, t2 c WHERE t.a = c.b;

DROP TABLE t1,t2;

#
# Bug #10966: Variance functions return wrong data type
#

create table t1 select variance(0);                                               
--replace_regex /ENGINE=[a-zA-Z]+/ENGINE=DEFAULT/
show create table t1;                                                           
drop table t1;                                                                  
create table t1 select stddev(0);
--replace_regex /ENGINE=[a-zA-Z]+/ENGINE=DEFAULT/
show create table t1;
drop table t1;
 

#
# Bug#22555: STDDEV yields positive result for groups with only one row
#

create table bug22555 (i int primary key auto_increment, s1 int, s2 int, e decimal(30,10), o double);
insert into bug22555 (s1, s2, e, o) values (53, 78, 11.4276528, 6.828112), (17, 78, 5.916793, 1.8502951), (18, 76, 2.679231, 9.17975591), (31, 62, 6.07831, 0.1), (19, 41, 5.37463, 15.1), (83, 73, 14.567426, 7.959222), (92, 53, 6.10151, 13.1856852), (7, 12, 13.92272, 3.442007), (92, 35, 11.95358909, 6.01376678), (38, 84, 2.572, 7.904571);
select std(s1/s2) from bug22555 group by i;
select std(e) from bug22555 group by i;
select std(o) from bug22555 group by i;
drop table bug22555;

create table bug22555 (i int, s1 int, s2 int, o1 double, o2 double, e1 decimal, e2 decimal);
insert into bug22555 values (1,53,78,53,78,53,78),(2,17,78,17,78,17,78),(3,18,76,18,76,18,76);
select i, count(*) from bug22555 group by i;
select std(s1/s2) from bug22555 where i=1;
select std(s1/s2) from bug22555 where i=2;
select std(s1/s2) from bug22555 where i=3;
select std(s1/s2) from bug22555 where i=1 group by i;
select std(s1/s2) from bug22555 where i=2 group by i;
select std(s1/s2) from bug22555 where i=3 group by i;
select std(s1/s2) from bug22555 group by i order by i;
select i, count(*), std(o1/o2) from bug22555 group by i order by i;
select i, count(*), std(e1/e2) from bug22555 group by i order by i;
set @saved_div_precision_increment=@@div_precision_increment;
set div_precision_increment=19;
select i, count(*), variance(s1/s2) from bug22555 group by i order by i;
select i, count(*), variance(o1/o2) from bug22555 group by i order by i;
select i, count(*), variance(e1/e2) from bug22555 group by i order by i;
select i, count(*), std(s1/s2) from bug22555 group by i order by i;
select i, count(*), std(o1/o2) from bug22555 group by i order by i;
select i, count(*), std(e1/e2) from bug22555 group by i order by i;
set div_precision_increment=20;
select i, count(*), variance(s1/s2) from bug22555 group by i order by i;
select i, count(*), variance(o1/o2) from bug22555 group by i order by i;
select i, count(*), variance(e1/e2) from bug22555 group by i order by i;
select i, count(*), std(s1/s2) from bug22555 group by i order by i;
select i, count(*), std(o1/o2) from bug22555 group by i order by i;
select i, count(*), std(e1/e2) from bug22555 group by i order by i;
set @@div_precision_increment=@saved_div_precision_increment;
insert into bug22555 values (1,53,78,53,78,53,78),(2,17,78,17,78,17,78),(3,18,76,18,76,18,76);
insert into bug22555 values (1,53,78,53,78,53,78),(2,17,78,17,78,17,78),(3,18,76,18,76,18,76);
insert into bug22555 values (1,53,78,53,78,53,78),(2,17,78,17,78,17,78),(3,18,76,18,76,18,76);

select i, count(*), std(s1/s2) from bug22555 group by i order by i;
select i, count(*), round(std(o1/o2), 16) from bug22555 group by i order by i;
select i, count(*), std(e1/e2) from bug22555 group by i order by i;
select std(s1/s2) from bug22555;
select std(o1/o2) from bug22555;
select std(e1/e2) from bug22555;
set @saved_div_precision_increment=@@div_precision_increment;
set div_precision_increment=19;
select i, count(*), std(s1/s2) from bug22555 group by i order by i;
select i, count(*), round(std(o1/o2), 16) from bug22555 group by i order by i;
select i, count(*), std(e1/e2) from bug22555 group by i order by i;
select round(std(s1/s2), 17) from bug22555;
select std(o1/o2) from bug22555;
select round(std(e1/e2), 17) from bug22555;
set div_precision_increment=20;
select i, count(*), std(s1/s2) from bug22555 group by i order by i;
select i, count(*), round(std(o1/o2), 16) from bug22555 group by i order by i;
select i, count(*), std(e1/e2) from bug22555 group by i order by i;
select round(std(s1/s2), 17) from bug22555;
select std(o1/o2) from bug22555;
select round(std(e1/e2), 17) from bug22555;
set @@div_precision_increment=@saved_div_precision_increment;
drop table bug22555;

create table bug22555 (s int, o double, e decimal);
insert into bug22555 values (1,1,1),(2,2,2),(3,3,3),(6,6,6),(7,7,7);
select var_samp(s), var_pop(s) from bug22555;
select var_samp(o), var_pop(o) from bug22555;
select var_samp(e), var_pop(e) from bug22555;
drop table bug22555;

create table bug22555 (s int, o double, e decimal);
insert into bug22555 values (null,null,null),(null,null,null);
select var_samp(s) as 'null', var_pop(s) as 'null' from bug22555;
select var_samp(o) as 'null', var_pop(o) as 'null' from bug22555;
select var_samp(e) as 'null', var_pop(e) as 'null' from bug22555;
insert into bug22555 values (1,1,1);
select var_samp(s) as 'null', var_pop(s) as '0' from bug22555;
select var_samp(o) as 'null', var_pop(o) as '0' from bug22555;
select var_samp(e) as 'null', var_pop(e) as '0' from bug22555;
insert into bug22555 values (2,2,2);
select var_samp(s) as '0.5', var_pop(s) as '0.25' from bug22555;
select var_samp(o) as '0.5', var_pop(o) as '0.25' from bug22555;
select var_samp(e) as '0.5', var_pop(e) as '0.25' from bug22555;
drop table bug22555;


#
# Bug #21976: Unnecessary warning with count(decimal)
#

create table t1 (a decimal(20));
insert into t1 values (12345678901234567890);
select count(a) from t1;
select count(distinct a) from t1;
drop table t1;

#
# Bug #23184: SELECT causes server crash
# 
CREATE TABLE t1 (a INT, b INT);
INSERT INTO t1 VALUES (1,1),(1,2),(1,3),(1,4),(1,5),(1,6),(1,7),(1,8);
INSERT INTO t1 SELECT a, b+8       FROM t1;
INSERT INTO t1 SELECT a, b+16      FROM t1;
INSERT INTO t1 SELECT a, b+32      FROM t1;
INSERT INTO t1 SELECT a, b+64      FROM t1;
INSERT INTO t1 SELECT a, b+128     FROM t1;
INSERT INTO t1 SELECT a, b+256     FROM t1;
INSERT INTO t1 SELECT a, b+512     FROM t1;
INSERT INTO t1 SELECT a, b+1024    FROM t1;
INSERT INTO t1 SELECT a, b+2048    FROM t1;
INSERT INTO t1 SELECT a, b+4096    FROM t1;
INSERT INTO t1 SELECT a, b+8192    FROM t1;
INSERT INTO t1 SELECT a, b+16384   FROM t1;
INSERT INTO t1 SELECT a, b+32768   FROM t1;
SELECT a,COUNT(DISTINCT b) AS cnt FROM t1 GROUP BY a HAVING cnt > 50;
SELECT a,SUM(DISTINCT b) AS sumation FROM t1 GROUP BY a HAVING sumation > 50;
SELECT a,AVG(DISTINCT b) AS average FROM t1 GROUP BY a HAVING average > 50;

DROP TABLE t1;

#
# Bug #27573: MIN() on an indexed column which is always NULL sets _other_ 
# results to NULL
#
CREATE TABLE t1 ( a INT, b INT, KEY(a) );
INSERT INTO t1 VALUES (NULL, 1), (NULL, 2);
EXPLAIN SELECT MIN(a), MIN(b) FROM t1;
SELECT MIN(a), MIN(b) FROM t1;

CREATE TABLE t2( a INT, b INT, c INT, KEY(a, b) );
INSERT INTO t2 ( a, b, c ) VALUES ( 1, NULL, 2 ), ( 1, 3, 4 ), ( 1, 4, 4 );
EXPLAIN SELECT MIN(b), MIN(c) FROM t2 WHERE a = 1;
SELECT MIN(b), MIN(c) FROM t2 WHERE a = 1;

CREATE TABLE t3 (a INT, b INT, c int, KEY(a, b));
INSERT INTO t3 VALUES (1, NULL, 1), (2, NULL, 2),  (2, NULL, 2),  (3, NULL, 3);
EXPLAIN SELECT MIN(a), MIN(b) FROM t3 where a = 2;
SELECT MIN(a), MIN(b) FROM t3 where a = 2;

CREATE TABLE t4 (a INT, b INT, c int, KEY(a, b));
INSERT INTO t4 VALUES (1, 1, 1), (2, NULL, 2),  (2, NULL, 2),  (3, 1, 3);
EXPLAIN SELECT MIN(a), MIN(b) FROM t4 where a = 2;
SELECT MIN(a), MIN(b) FROM t4 where a = 2;
SELECT MIN(b), min(c) FROM t4 where a = 2;

CREATE TABLE t5( a INT, b INT, KEY( a, b) ); 
INSERT INTO t5 VALUES( 1, 1 ), ( 1, 2 );
EXPLAIN SELECT MIN(a), MIN(b) FROM t5 WHERE a = 1;
SELECT MIN(a), MIN(b) FROM t5 WHERE a = 1;
SELECT MIN(a), MIN(b) FROM t5 WHERE a = 1 and b > 1;

DROP TABLE t1, t2, t3, t4, t5;

#
# Bug #30715: Assertion failed: item_field->field->real_maybe_null(), file
# .\opt_sum.cc, line
#

CREATE TABLE t1 (a int, b date NOT NULL, KEY k1 (a,b));
SELECT MIN(b) FROM t1 WHERE a=1 AND b>'2007-08-01';
DROP TABLE t1;

#
# Bug #34512: CAST( AVG( double ) AS DECIMAL ) returns wrong results
#

CREATE TABLE t1(a DOUBLE);
INSERT INTO t1 VALUES (10), (20);
SELECT AVG(a), CAST(AVG(a) AS DECIMAL) FROM t1;

DROP TABLE t1;

###
--echo End of 5.0 tests