2
# simple test of all group functions
6
drop table if exists t1,t2;
9
set @sav_dpi= @@div_precision_increment;
10
set div_precision_increment= 5;
11
show variables like 'div_precision_increment';
12
create table t1 (grp int, a bigint, c char(10) not null);
13
insert into t1 values (1,1,"a");
14
insert into t1 values (2,2,"b");
15
insert into t1 values (2,3,"c");
16
insert into t1 values (3,4,"E");
17
insert into t1 values (3,5,"C");
18
insert into t1 values (3,6,"D");
20
# Test of MySQL field extension with and without matching records.
21
select a,c,sum(a) from t1 group by a;
22
select a,c,sum(a) from t1 where a > 10 group by a;
23
select sum(a) from t1 where a > 10;
24
select a from t1 order by rand(10);
25
select distinct a from t1 order by rand(10);
26
select count(distinct a),count(distinct grp) from t1;
27
insert into t1 values (null,null,'');
28
select count(distinct a),count(distinct grp) from t1;
30
create table t2 (grp int, a bigint, c char(10));
31
insert into t2 select grp,max(a)+max(grp),max(c) from t1 group by grp;
33
# REPLACE ... SELECT doesn't yet work with PS
34
replace into t2 select grp, a, c from t1 limit 2,1;
43
CREATE TABLE t1 (id int,value1 float(10,2));
44
INSERT INTO t1 VALUES (1,0.00),(1,1.00), (1,2.00), (2,10.00), (2,11.00), (2,12.00);
45
CREATE TABLE t2 (id int,name char(20));
46
INSERT INTO t2 VALUES (1,'Set One'),(2,'Set Two');
47
select id, avg(value1), std(value1), variance(value1) from t1 group by id;
48
select name, avg(value1), std(value1), variance(value1) from t1, t2 where t1.id = t2.id group by t1.id;
52
# Test of bug in left join & avg
55
create table t1 (id int not null);
56
create table t2 (id int not null,rating int null);
57
insert into t1 values(1),(2),(3);
58
insert into t2 values(1, 3),(2, NULL),(2, NULL),(3, 2),(3, NULL);
59
select t1.id, avg(rating) from t1 left join t2 on ( t1.id = t2.id ) group by t1.id;
60
# Test different types with avg()
61
select sql_small_result t2.id, avg(rating) from t2 group by t2.id;
62
select sql_big_result t2.id, avg(rating) from t2 group by t2.id;
63
select sql_small_result t2.id, avg(rating+0.0e0) from t2 group by t2.id;
64
select sql_big_result t2.id, avg(rating+0.0e0) from t2 group by t2.id;
70
create table t1 (a int primary key, c char(10), b text);
71
INSERT INTO t1 VALUES (1,'1','1');
72
INSERT INTO t1 VALUES (2,'2','2');
73
INSERT INTO t1 VALUES (4,'4','4');
75
select count(*) from t1;
76
select count(*) from t1 where a = 1;
77
select count(*) from t1 where a = 100;
78
select count(*) from t1 where a >= 10;
79
select count(a) from t1 where a = 1;
80
select count(a) from t1 where a = 100;
81
select count(a) from t1 where a >= 10;
82
select count(b) from t1 where b >= 2;
83
select count(b) from t1 where b >= 10;
84
select count(c) from t1 where c = 10;
88
# Test of bug in COUNT(i)*(i+0)
91
CREATE TABLE t1 (d DATETIME, i INT);
92
INSERT INTO t1 VALUES (NOW(), 1);
93
SELECT COUNT(i), i, COUNT(i)*i FROM t1 GROUP BY i;
94
SELECT COUNT(i), (i+0), COUNT(i)*(i+0) FROM t1 GROUP BY i;
98
# Another SUM() problem with 3.23.2
105
insert into t1 values (10.3,'nem'),(20.53,'monty'),(30.23,'sinisa');
106
insert into t1 values (30.13,'nem'),(20.98,'monty'),(10.45,'sinisa');
107
insert into t1 values (5.2,'nem'),(8.64,'monty'),(11.12,'sinisa');
108
select sum(num) from t1;
109
select sum(num) from t1 group by user;
113
# Test problem with MIN() optimization in case of null values
116
create table t1 (a1 int, a2 char(3), key k1(a1), key k2(a2));
117
insert into t1 values(10,'aaa'), (10,null), (10,'bbb'), (20,'zzz');
118
create table t2(a1 char(3), a2 int, a3 real, key k1(a1), key k2(a2, a1));
120
# The following returned NULL in 4.0.10
121
select min(a2) from t1;
122
select max(t1.a1), max(t2.a2) from t1, t2;
123
select max(t1.a1) from t1, t2;
124
select max(t2.a2), max(t1.a1) from t1, t2;
126
explain select min(a2) from t1;
127
explain select max(t1.a1), max(t2.a2) from t1, t2;
129
insert into t2 values('AAA', 10, 0.5);
130
insert into t2 values('BBB', 20, 1.0);
132
select t1.a1, t1.a2, t2.a1, t2.a2 from t1,t2;
134
select max(t1.a1), max(t2.a1) from t1, t2 where t2.a2=9;
135
select max(t2.a1), max(t1.a1) from t1, t2 where t2.a2=9;
136
select t1.a1, t1.a2, t2.a1, t2.a2 from t1 left outer join t2 on t1.a1=10;
137
select max(t1.a2) from t1 left outer join t2 on t1.a1=10;
138
select max(t2.a1) from t2 left outer join t1 on t2.a2=10 where t2.a2=20;
139
select max(t2.a1) from t2 left outer join t1 on t2.a2=10 where t2.a2=10;
140
select max(t2.a1) from t1 left outer join t2 on t1.a2=t2.a1 and 1=0 where t2.a1='AAA';
141
select max(t1.a2),max(t2.a1) from t1 left outer join t2 on t1.a1=10;
145
# Bug #3376: avg() and an empty table
148
create table t1 (a int);
149
select avg(2) from t1;
153
# Tests to check MIN/MAX query optimization
156
# Create database schema
158
a1 char(3) primary key,
168
a1 char(3) primary key,
177
insert into t1 values('AME',0,'SEA',0.100,date'1942-02-19');
178
insert into t1 values('HBR',1,'SEA',0.085,date'1948-03-05');
179
insert into t1 values('BOT',2,'SEA',0.085,date'1951-11-29');
180
insert into t1 values('BMC',3,'SEA',0.085,date'1958-09-08');
181
insert into t1 values('TWU',0,'LAX',0.080,date'1969-10-05');
182
insert into t1 values('BDL',0,'DEN',0.080,date'1960-11-27');
183
insert into t1 values('DTX',1,'NYC',0.080,date'1961-05-04');
184
insert into t1 values('PLS',1,'WDC',0.075,date'1949-01-02');
185
insert into t1 values('ZAJ',2,'CHI',0.075,date'1960-06-15');
186
insert into t1 values('VVV',2,'MIN',0.075,date'1959-06-28');
187
insert into t1 values('GTM',3,'DAL',0.070,date'1977-09-23');
188
insert into t1 values('SSJ',null,'CHI',null,date'1974-03-19');
189
insert into t1 values('KKK',3,'ATL',null,null);
190
insert into t1 values('XXX',null,'MIN',null,null);
191
insert into t1 values('WWW',1,'LED',null,null);
194
insert into t2 values('TKF','Seattle','WA','AME');
195
insert into t2 values('LCC','Los Angeles','CA','TWU');
196
insert into t2 values('DEN','Denver','CO','BDL');
197
insert into t2 values('SDC','San Diego','CA','TWU');
198
insert into t2 values('NOL','New Orleans','LA','GTM');
199
insert into t2 values('LAK','Los Angeles','CA','TWU');
200
insert into t2 values('AAA','AAA','AA','AME');
202
# Show the table contents
208
# Queries with min/max functions
209
# which regular min/max optimization are applied to
212
select min(a1) from t1;
213
select min(a1) from t1;
215
select max(a4) from t1;
216
select max(a4) from t1;
218
select min(a5), max(a5) from t1;
219
select min(a5), max(a5) from t1;
221
select min(a3) from t1 where a2 = 2;
222
select min(a3) from t1 where a2 = 2;
224
select min(a1), max(a1) from t1 where a4 = 0.080;
225
select min(a1), max(a1) from t1 where a4 = 0.080;
228
select min(t1.a5), max(t2.a3) from t1, t2;
229
select min(t1.a5), max(t2.a3) from t1, t2;
231
select min(t1.a3), max(t2.a2) from t1, t2 where t1.a2 = 0 and t2.a3 = 'CA';
232
select min(t1.a3), max(t2.a2) from t1, t2 where t1.a2 = 0 and t2.a3 = 'CA';
234
# Queries with min/max functions
235
# which extended min/max optimization are applied to
238
select min(a1) from t1 where a1 > 'KKK';
239
select min(a1) from t1 where a1 > 'KKK';
241
select min(a1) from t1 where a1 >= 'KKK';
242
select min(a1) from t1 where a1 >= 'KKK';
244
select max(a3) from t1 where a2 = 2 and a3 < 'SEA';
245
select max(a3) from t1 where a2 = 2 and a3 < 'SEA';
247
select max(a5) from t1 where a5 < date'1970-01-01';
248
select max(a5) from t1 where a5 < date'1970-01-01';
250
select max(a3) from t1 where a2 is null;
251
select max(a3) from t1 where a2 is null;
253
select max(a3) from t1 where a2 = 0 and a3 between 'K' and 'Q';
254
select max(a3) from t1 where a2 = 0 and a3 between 'K' and 'Q';
256
select min(a1), max(a1) from t1 where a1 between 'A' and 'P';
257
select min(a1), max(a1) from t1 where a1 between 'A' and 'P';
259
select max(a3) from t1 where a3 < 'SEA' and a2 = 2 and a3 <= 'MIN';
260
select max(a3) from t1 where a3 < 'SEA' and a2 = 2 and a3 <= 'MIN';
262
select max(a3) from t1 where a3 = 'MIN' and a2 = 2;
263
select max(a3) from t1 where a3 = 'MIN' and a2 = 2;
265
select max(a3) from t1 where a3 = 'DEN' and a2 = 2;
266
select max(a3) from t1 where a3 = 'DEN' and a2 = 2;
269
select max(t1.a3), min(t2.a2) from t1, t2 where t1.a2 = 2 and t1.a3 < 'MIN' and t2.a3 = 'CA';
270
select max(t1.a3), min(t2.a2) from t1, t2 where t1.a2 = 2 and t1.a3 < 'MIN' and t2.a3 = 'CA';
273
select max(a3) from t1 where a2 is null and a2 = 2;
274
select max(a3) from t1 where a2 is null and a2 = 2;
277
select max(a2) from t1 where a2 >= 1;
278
select max(a2) from t1 where a2 >= 1;
280
select min(a3) from t1 where a2 = 2 and a3 < 'SEA';
281
select min(a3) from t1 where a2 = 2 and a3 < 'SEA';
284
select min(a3) from t1 where a2 = 4;
285
select min(a3) from t1 where a2 = 4;
287
select min(a3) from t1 where a2 = 2 and a3 > 'SEA';
288
select min(a3) from t1 where a2 = 2 and a3 > 'SEA';
290
select (min(a4)+max(a4))/2 from t1;
291
select (min(a4)+max(a4))/2 from t1;
293
select min(a3) from t1 where 2 = a2;
294
select min(a3) from t1 where 2 = a2;
296
select max(a3) from t1 where a2 = 2 and 'SEA' > a3;
297
select max(a3) from t1 where a2 = 2 and 'SEA' > a3;
299
select max(a3) from t1 where a2 = 2 and 'SEA' < a3;
300
select max(a3) from t1 where a2 = 2 and 'SEA' < a3;
302
select min(a3) from t1 where a2 = 2 and a3 >= 'CHI';
303
select min(a3) from t1 where a2 = 2 and a3 >= 'CHI';
305
select min(a3) from t1 where a2 = 2 and a3 >= 'CHI' and a3 < 'SEA';
306
select min(a3) from t1 where a2 = 2 and a3 >= 'CHI' and a3 < 'SEA';
308
select min(a3) from t1 where a2 = 2 and a3 >= 'CHI' and a3 = 'MIN';
309
select min(a3) from t1 where a2 = 2 and a3 >= 'CHI' and a3 = 'MIN';
311
select min(a3) from t1 where a2 = 2 and a3 >= 'SEA' and a3 = 'MIN';
312
select min(a3) from t1 where a2 = 2 and a3 >= 'SEA' and a3 = 'MIN';
315
select min(t1.a1), min(t2.a4) from t1,t2 where t1.a1 < 'KKK' and t2.a4 < 'KKK';
316
select min(t1.a1), min(t2.a4) from t1,t2 where t1.a1 < 'KKK' and t2.a4 < 'KKK';
318
# Queries to which max/min optimization is not applied
321
select min(a1) from t1 where a1 > 'KKK' or a1 < 'XXX';
323
select min(a1) from t1 where a1 != 'KKK';
325
select max(a3) from t1 where a2 < 2 and a3 < 'SEA';
327
select max(t1.a3), min(t2.a2) from t1, t2 where t1.a2 = 2 and t1.a3 < 'MIN' and t2.a3 > 'CA';
330
select min(a4 - 0.01) from t1;
332
select max(a4 + 0.01) from t1;
334
select min(a3) from t1 where (a2 +1 ) is null;
336
select min(a3) from t1 where (a2 + 1) = 2;
338
select min(a3) from t1 where 2 = (a2 + 1);
340
select min(a2) from t1 where a2 < 2 * a2 - 8;
342
select min(a1) from t1 where a1 between a3 and 'KKK';
344
select min(a4) from t1 where (a4 + 0.01) between 0.07 and 0.08;
346
select concat(min(t1.a1),min(t2.a4)) from t1, t2 where t2.a4 <> 'AME';
349
# Moved to func_group_innodb
351
#create table t1 (USR_ID integer not null, MAX_REQ integer not null, constraint PK_SEA_USER primary key (USR_ID)) engine=InnoDB;
353
#insert into t1 values (1, 3);
354
#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;
355
#select Case When Count(*) < MAX_REQ Then 1 Else 0 End from t1 where t1.USR_ID = 1 group by MAX_REQ;
359
# Bug #6658 MAX(column) returns incorrect coercibility
361
create table t1 (a char);
362
insert into t1 values ('a'),('b');
363
--replace_regex /ENGINE=[a-zA-Z]+/ENGINE=DEFAULT/
364
show create table t1;
365
create table t2 select max(a),min(a) from t1;
366
--replace_regex /ENGINE=[a-zA-Z]+/ENGINE=DEFAULT/
367
show create table t2;
369
create table t2 select concat(a) from t1;
370
--replace_regex /ENGINE=[a-zA-Z]+/ENGINE=DEFAULT/
371
show create table t2;
375
# aggregate functions on static tables
377
create table t1 (a int);
378
insert into t1 values (1);
379
select max(a) as b from t1 having b=1;
380
select a from t1 having a=1;
384
# Bug #3435: variance(const), stddev(const) and an empty table
387
create table t1 (a int);
388
select variance(2) from t1;
389
select stddev(2) from t1;
394
# cleunup() of optimized away count(*) and max/min
396
create table t1 (a int);
397
insert into t1 values (1),(2);
398
SELECT COUNT(*) FROM t1;
399
SELECT COUNT(*) FROM t1;
400
SELECT COUNT(*) FROM t1;
403
create table t1 (a int, primary key(a));
404
insert into t1 values (1),(2);
405
SELECT max(a) FROM t1;
406
SELECT max(a) FROM t1;
407
SELECT max(a) FROM t1;
411
# Bug #5406 min/max optimization for empty set
414
CREATE TABLE t1 (a int primary key);
415
INSERT INTO t1 VALUES (1),(2),(3),(4);
417
SELECT MAX(a) FROM t1 WHERE a > 5;
418
SELECT MIN(a) FROM t1 WHERE a < 0;
423
# Bug #5555 GROUP BY enum_field" returns incorrect results
426
CREATE TEMPORARY TABLE t1 (
427
id int NOT NULL auto_increment,
428
val enum('one','two','three') NOT NULL default 'one',
432
INSERT INTO t1 VALUES
433
(1,'one'),(2,'two'),(3,'three'),(4,'one'),(5,'two');
435
select val, count(*) from t1 group by val;
439
# Bug #5615: type of aggregate function column wrong when using group by
442
create table t1(a int, b datetime);
443
insert into t1 values (1, NOW()), (2, NOW());
444
create table t2 select MAX(b) from t1 group by a;
445
--replace_regex /ENGINE=[a-zA-Z]+/ENGINE=DEFAULT/
446
show create table t2;
450
# Bug 7833: Wrong datatype of aggregate column is returned
453
create table t1(f1 datetime);
454
insert into t1 values (now());
455
create table t2 select f2 from (select max(now()) f2 from t1) a;
456
show columns from t2;
458
create table t2 select f2 from (select now() f2 from t1) a;
459
show columns from t2;
463
# Bug 8893: wrong result for min/max optimization with 2 indexes
470
INDEX i_b_id(a,b,id),
473
INSERT INTO t1 VALUES
474
(1,1,4), (2,2,1), (3,1,3), (4,2,1), (5,1,1);
475
SELECT MAX(id) FROM t1 WHERE id < 3 AND a=2 AND b=6;
478
# change the order of the last two index definitions
487
INSERT INTO t1 VALUES
488
(1,1,4), (2,2,1), (3,1,3), (4,2,1), (5,1,1);
489
SELECT MAX(id) FROM t1 WHERE id < 3 AND a=2 AND b=6;
494
# Bug #12882 min/max inconsistent on empty table
496
# Test case moved to func_group_innodb
498
# Bug #18206: min/max optimization cannot be applied to partial index
501
CREATE TABLE t1 (id int PRIMARY KEY, b char(3), INDEX(b));
502
INSERT INTO t1 VALUES (1,'xx'), (2,'aa');
505
SELECT MAX(b) FROM t1 WHERE b < 'ppppp';
507
SELECT MAX(b) FROM t1 WHERE b < 'pp';
510
CREATE TABLE t1 (id int PRIMARY KEY, b char(16), INDEX(b(4)));
511
INSERT INTO t1 VALUES (1, 'xxxxbbbb'), (2, 'xxxxaaaa');
512
SELECT MAX(b) FROM t1;
513
EXPLAIN SELECT MAX(b) FROM t1;
517
# Bug #16792 query with subselect, join, and group not returning proper values
519
CREATE TABLE t1 (a INT, b INT);
520
INSERT INTO t1 VALUES (1,1),(1,2),(2,3);
522
SELECT (SELECT COUNT(DISTINCT t1.b)) FROM t1 GROUP BY t1.a;
523
SELECT (SELECT COUNT(DISTINCT 12)) FROM t1 GROUP BY t1.a;
524
# an attempt to test all aggregate function with no table.
525
SELECT AVG(2), COUNT(*), COUNT(12),
526
COUNT(DISTINCT 12), MIN(2),MAX(2),STD(2), VARIANCE(2),SUM(2),
527
GROUP_CONCAT(2),GROUP_CONCAT(DISTINCT 2);
533
# decimal-related tests
535
create table t2 (ff double);
536
insert into t2 values (2.2);
537
select cast(sum(distinct ff) as decimal(5,2)) from t2;
538
select sum(distinct ff) from t2;
539
select cast(variance(ff) as decimal(10,3)) from t2;
540
select cast(min(ff) as decimal(5,2)) from t2;
542
create table t1 (df decimal(5,1));
543
insert into t1 values(1.1);
544
insert into t1 values(2.2);
545
select sum(distinct df) from t1;
546
select min(df) from t1;
547
select 1e8 * sum(distinct df) from t1;
548
select 1e8 * min(df) from t1;
550
create table t3 (ifl int);
551
insert into t3 values(1), (2);
552
select cast(min(ifl) as decimal(5,2)) from t3;
554
drop table t1, t2, t3;
558
# BUG#3190, WL#1639: Standard Deviation STDDEV - 2 different calculations
561
CREATE TABLE t1 (id int,value1 float(10,2));
562
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);
563
select id, stddev_pop(value1), var_pop(value1), stddev_samp(value1), var_samp(value1) from t1 group by id;
567
# BUG#8464 decimal AVG returns incorrect result
570
CREATE TABLE t1 (col1 decimal(16,12));
571
INSERT INTO t1 VALUES (-5.00000000001),(-5.00000000002),(-5.00000000003),(-5.00000000000),(-5.00000000001),(-5.00000000002);
572
insert into t1 select * from t1;
573
select col1,count(col1),sum(col1),avg(col1) from t1 group by col1;
577
# BUG#8465 decimal MIN and MAX return incorrect result
580
create table t1 (col1 decimal(16,12));
581
insert into t1 values (-5.00000000001);
582
insert into t1 values (-5.00000000001);
583
select col1,sum(col1),max(col1),min(col1) from t1 group by col1;
585
insert into t1 values (5.00000000001);
586
insert into t1 values (5.00000000001);
587
select col1,sum(col1),max(col1),min(col1) from t1 group by col1;
591
# Test that new VARCHAR correctly works with COUNT(DISTINCT)
594
CREATE TABLE t1 (a VARCHAR(400));
595
INSERT INTO t1 (a) VALUES ("A"), ("a"), ("a "), ("a "),
596
("B"), ("b"), ("b "), ("b ");
597
SELECT COUNT(DISTINCT a) FROM t1;
601
# Test for buf #9210: GROUP BY with expression if a decimal type
604
CREATE TABLE t1 (a int, b int, c int);
605
INSERT INTO t1 (a, b, c) VALUES
606
(1,1,1), (1,1,2), (1,1,3),
607
(1,2,1), (1,2,2), (1,2,3),
608
(1,3,1), (1,3,2), (1,3,3),
609
(2,1,1), (2,1,2), (2,1,3),
610
(2,2,1), (2,2,2), (2,2,3),
611
(2,3,1), (2,3,2), (2,3,3),
612
(3,1,1), (3,1,2), (3,1,3),
613
(3,2,1), (3,2,2), (3,2,3),
614
(3,3,1), (3,3,2), (3,3,3);
617
SELECT b/c as v, a FROM t1 ORDER BY v;
618
SELECT b/c as v, SUM(a) FROM t1 GROUP BY v;
619
SELECT SUM(a) FROM t1 GROUP BY b/c;
622
set div_precision_increment= @sav_dpi;
625
# Bug #20868: Client connection is broken on SQL query error
627
CREATE TABLE t1 (a INT PRIMARY KEY, b INT);
628
INSERT INTO t1 VALUES (1,1), (2,2);
630
CREATE TABLE t2 (a INT PRIMARY KEY, b INT);
631
INSERT INTO t2 VALUES (1,1), (3,3);
635
(SELECT SUM(c.a) FROM t1 ttt, t2 ccc
636
WHERE ttt.a = ccc.b AND ttt.a = t.a GROUP BY ttt.a) AS minid
637
FROM t1 t, t2 c WHERE t.a = c.b;
642
# Bug #10966: Variance functions return wrong data type
645
create table t1 select variance(0);
646
--replace_regex /ENGINE=[a-zA-Z]+/ENGINE=DEFAULT/
647
show create table t1;
649
create table t1 select stddev(0);
650
--replace_regex /ENGINE=[a-zA-Z]+/ENGINE=DEFAULT/
651
show create table t1;
656
# Bug#22555: STDDEV yields positive result for groups with only one row
659
create table bug22555 (i int primary key auto_increment, s1 int, s2 int, e decimal(30,10), o double);
660
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);
661
select std(s1/s2) from bug22555 group by i;
662
select std(e) from bug22555 group by i;
663
select std(o) from bug22555 group by i;
666
create table bug22555 (i int, s1 int, s2 int, o1 double, o2 double, e1 decimal, e2 decimal);
667
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);
668
select i, count(*) from bug22555 group by i;
669
select std(s1/s2) from bug22555 where i=1;
670
select std(s1/s2) from bug22555 where i=2;
671
select std(s1/s2) from bug22555 where i=3;
672
select std(s1/s2) from bug22555 where i=1 group by i;
673
select std(s1/s2) from bug22555 where i=2 group by i;
674
select std(s1/s2) from bug22555 where i=3 group by i;
675
select std(s1/s2) from bug22555 group by i order by i;
676
select i, count(*), std(o1/o2) from bug22555 group by i order by i;
677
select i, count(*), std(e1/e2) from bug22555 group by i order by i;
678
set @saved_div_precision_increment=@@div_precision_increment;
679
set div_precision_increment=19;
680
select i, count(*), variance(s1/s2) from bug22555 group by i order by i;
681
select i, count(*), variance(o1/o2) from bug22555 group by i order by i;
682
select i, count(*), variance(e1/e2) from bug22555 group by i order by i;
683
select i, count(*), std(s1/s2) from bug22555 group by i order by i;
684
select i, count(*), std(o1/o2) from bug22555 group by i order by i;
685
select i, count(*), std(e1/e2) from bug22555 group by i order by i;
686
set div_precision_increment=20;
687
select i, count(*), variance(s1/s2) from bug22555 group by i order by i;
688
select i, count(*), variance(o1/o2) from bug22555 group by i order by i;
689
select i, count(*), variance(e1/e2) from bug22555 group by i order by i;
690
select i, count(*), std(s1/s2) from bug22555 group by i order by i;
691
select i, count(*), std(o1/o2) from bug22555 group by i order by i;
692
select i, count(*), std(e1/e2) from bug22555 group by i order by i;
693
set @@div_precision_increment=@saved_div_precision_increment;
694
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);
695
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);
696
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);
698
select i, count(*), std(s1/s2) from bug22555 group by i order by i;
699
select i, count(*), round(std(o1/o2), 16) from bug22555 group by i order by i;
700
select i, count(*), std(e1/e2) from bug22555 group by i order by i;
701
select std(s1/s2) from bug22555;
702
select std(o1/o2) from bug22555;
703
select std(e1/e2) from bug22555;
704
set @saved_div_precision_increment=@@div_precision_increment;
705
set div_precision_increment=19;
706
select i, count(*), std(s1/s2) from bug22555 group by i order by i;
707
select i, count(*), round(std(o1/o2), 16) from bug22555 group by i order by i;
708
select i, count(*), std(e1/e2) from bug22555 group by i order by i;
709
select round(std(s1/s2), 17) from bug22555;
710
select std(o1/o2) from bug22555;
711
select round(std(e1/e2), 17) from bug22555;
712
set div_precision_increment=20;
713
select i, count(*), std(s1/s2) from bug22555 group by i order by i;
714
select i, count(*), round(std(o1/o2), 16) from bug22555 group by i order by i;
715
select i, count(*), std(e1/e2) from bug22555 group by i order by i;
716
select round(std(s1/s2), 17) from bug22555;
717
select std(o1/o2) from bug22555;
718
select round(std(e1/e2), 17) from bug22555;
719
set @@div_precision_increment=@saved_div_precision_increment;
722
create table bug22555 (s int, o double, e decimal);
723
insert into bug22555 values (1,1,1),(2,2,2),(3,3,3),(6,6,6),(7,7,7);
724
select var_samp(s), var_pop(s) from bug22555;
725
select var_samp(o), var_pop(o) from bug22555;
726
select var_samp(e), var_pop(e) from bug22555;
729
create table bug22555 (s int, o double, e decimal);
730
insert into bug22555 values (null,null,null),(null,null,null);
731
select var_samp(s) as 'null', var_pop(s) as 'null' from bug22555;
732
select var_samp(o) as 'null', var_pop(o) as 'null' from bug22555;
733
select var_samp(e) as 'null', var_pop(e) as 'null' from bug22555;
734
insert into bug22555 values (1,1,1);
735
select var_samp(s) as 'null', var_pop(s) as '0' from bug22555;
736
select var_samp(o) as 'null', var_pop(o) as '0' from bug22555;
737
select var_samp(e) as 'null', var_pop(e) as '0' from bug22555;
738
insert into bug22555 values (2,2,2);
739
select var_samp(s) as '0.5', var_pop(s) as '0.25' from bug22555;
740
select var_samp(o) as '0.5', var_pop(o) as '0.25' from bug22555;
741
select var_samp(e) as '0.5', var_pop(e) as '0.25' from bug22555;
746
# Bug #21976: Unnecessary warning with count(decimal)
749
create table t1 (a decimal(20));
750
insert into t1 values (12345678901234567890);
751
select count(a) from t1;
752
select count(distinct a) from t1;
756
# Bug #23184: SELECT causes server crash
758
CREATE TABLE t1 (a INT, b INT);
759
INSERT INTO t1 VALUES (1,1),(1,2),(1,3),(1,4),(1,5),(1,6),(1,7),(1,8);
760
INSERT INTO t1 SELECT a, b+8 FROM t1;
761
INSERT INTO t1 SELECT a, b+16 FROM t1;
762
INSERT INTO t1 SELECT a, b+32 FROM t1;
763
INSERT INTO t1 SELECT a, b+64 FROM t1;
764
INSERT INTO t1 SELECT a, b+128 FROM t1;
765
INSERT INTO t1 SELECT a, b+256 FROM t1;
766
INSERT INTO t1 SELECT a, b+512 FROM t1;
767
INSERT INTO t1 SELECT a, b+1024 FROM t1;
768
INSERT INTO t1 SELECT a, b+2048 FROM t1;
769
INSERT INTO t1 SELECT a, b+4096 FROM t1;
770
INSERT INTO t1 SELECT a, b+8192 FROM t1;
771
INSERT INTO t1 SELECT a, b+16384 FROM t1;
772
INSERT INTO t1 SELECT a, b+32768 FROM t1;
773
SELECT a,COUNT(DISTINCT b) AS cnt FROM t1 GROUP BY a HAVING cnt > 50;
774
SELECT a,SUM(DISTINCT b) AS sumation FROM t1 GROUP BY a HAVING sumation > 50;
775
SELECT a,AVG(DISTINCT b) AS average FROM t1 GROUP BY a HAVING average > 50;
780
# Bug #27573: MIN() on an indexed column which is always NULL sets _other_
783
CREATE TABLE t1 ( a INT, b INT, KEY(a) );
784
INSERT INTO t1 VALUES (NULL, 1), (NULL, 2);
785
EXPLAIN SELECT MIN(a), MIN(b) FROM t1;
786
SELECT MIN(a), MIN(b) FROM t1;
788
CREATE TABLE t2( a INT, b INT, c INT, KEY(a, b) );
789
INSERT INTO t2 ( a, b, c ) VALUES ( 1, NULL, 2 ), ( 1, 3, 4 ), ( 1, 4, 4 );
790
EXPLAIN SELECT MIN(b), MIN(c) FROM t2 WHERE a = 1;
791
SELECT MIN(b), MIN(c) FROM t2 WHERE a = 1;
793
CREATE TABLE t3 (a INT, b INT, c int, KEY(a, b));
794
INSERT INTO t3 VALUES (1, NULL, 1), (2, NULL, 2), (2, NULL, 2), (3, NULL, 3);
795
EXPLAIN SELECT MIN(a), MIN(b) FROM t3 where a = 2;
796
SELECT MIN(a), MIN(b) FROM t3 where a = 2;
798
CREATE TABLE t4 (a INT, b INT, c int, KEY(a, b));
799
INSERT INTO t4 VALUES (1, 1, 1), (2, NULL, 2), (2, NULL, 2), (3, 1, 3);
800
EXPLAIN SELECT MIN(a), MIN(b) FROM t4 where a = 2;
801
SELECT MIN(a), MIN(b) FROM t4 where a = 2;
802
SELECT MIN(b), min(c) FROM t4 where a = 2;
804
CREATE TABLE t5( a INT, b INT, KEY( a, b) );
805
INSERT INTO t5 VALUES( 1, 1 ), ( 1, 2 );
806
EXPLAIN SELECT MIN(a), MIN(b) FROM t5 WHERE a = 1;
807
SELECT MIN(a), MIN(b) FROM t5 WHERE a = 1;
808
SELECT MIN(a), MIN(b) FROM t5 WHERE a = 1 and b > 1;
810
DROP TABLE t1, t2, t3, t4, t5;
813
# Bug #30715: Assertion failed: item_field->field->real_maybe_null(), file
817
CREATE TABLE t1 (a int, b date NOT NULL, KEY k1 (a,b));
818
SELECT MIN(b) FROM t1 WHERE a=1 AND b>'2007-08-01';
822
# Bug #34512: CAST( AVG( double ) AS DECIMAL ) returns wrong results
825
CREATE TABLE t1(a DOUBLE);
826
INSERT INTO t1 VALUES (10), (20);
827
SELECT AVG(a), CAST(AVG(a) AS DECIMAL) FROM t1;
832
--echo End of 5.0 tests