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);
131
select t1.a1, t1.a2, t2.a1, t2.a2 from t1,t2;
133
select max(t1.a1), max(t2.a1) from t1, t2 where t2.a2=9;
134
select max(t2.a1), max(t1.a1) from t1, t2 where t2.a2=9;
135
select t1.a1, t1.a2, t2.a1, t2.a2 from t1 left outer join t2 on t1.a1=10;
136
select max(t1.a2) from t1 left outer join t2 on t1.a1=10;
137
select max(t2.a1) from t2 left outer join t1 on t2.a2=10 where t2.a2=20;
138
select max(t2.a1) from t2 left outer join t1 on t2.a2=10 where t2.a2=10;
139
select max(t2.a1) from t1 left outer join t2 on t1.a2=t2.a1 and 1=0 where t2.a1='AAA';
140
select max(t1.a2),max(t2.a1) from t1 left outer join t2 on t1.a1=10;
144
# Bug #3376: avg() and an empty table
147
create table t1 (a int);
148
select avg(2) from t1;
152
# Tests to check MIN/MAX query optimization
155
# Create database schema
157
a1 char(3) primary key,
167
a1 char(3) primary key,
176
insert into t1 values('AME',0,'SEA',0.100,date'1942-02-19');
177
insert into t1 values('HBR',1,'SEA',0.085,date'1948-03-05');
178
insert into t1 values('BOT',2,'SEA',0.085,date'1951-11-29');
179
insert into t1 values('BMC',3,'SEA',0.085,date'1958-09-08');
180
insert into t1 values('TWU',0,'LAX',0.080,date'1969-10-05');
181
insert into t1 values('BDL',0,'DEN',0.080,date'1960-11-27');
182
insert into t1 values('DTX',1,'NYC',0.080,date'1961-05-04');
183
insert into t1 values('PLS',1,'WDC',0.075,date'1949-01-02');
184
insert into t1 values('ZAJ',2,'CHI',0.075,date'1960-06-15');
185
insert into t1 values('VVV',2,'MIN',0.075,date'1959-06-28');
186
insert into t1 values('GTM',3,'DAL',0.070,date'1977-09-23');
187
insert into t1 values('SSJ',null,'CHI',null,date'1974-03-19');
188
insert into t1 values('KKK',3,'ATL',null,null);
189
insert into t1 values('XXX',null,'MIN',null,null);
190
insert into t1 values('WWW',1,'LED',null,null);
193
insert into t2 values('TKF','Seattle','WA','AME');
194
insert into t2 values('LCC','Los Angeles','CA','TWU');
195
insert into t2 values('DEN','Denver','CO','BDL');
196
insert into t2 values('SDC','San Diego','CA','TWU');
197
insert into t2 values('NOL','New Orleans','LA','GTM');
198
insert into t2 values('LAK','Los Angeles','CA','TWU');
199
insert into t2 values('AAA','AAA','AA','AME');
201
# Show the table contents
207
# Queries with min/max functions
208
# which regular min/max optimization are applied to
211
select min(a1) from t1;
212
select min(a1) from t1;
214
select max(a4) from t1;
215
select max(a4) from t1;
217
select min(a5), max(a5) from t1;
218
select min(a5), max(a5) from t1;
220
select min(a3) from t1 where a2 = 2;
221
select min(a3) from t1 where a2 = 2;
223
select min(a1), max(a1) from t1 where a4 = 0.080;
224
select min(a1), max(a1) from t1 where a4 = 0.080;
227
select min(t1.a5), max(t2.a3) from t1, t2;
228
select min(t1.a5), max(t2.a3) from t1, t2;
230
select min(t1.a3), max(t2.a2) from t1, t2 where t1.a2 = 0 and t2.a3 = 'CA';
231
select min(t1.a3), max(t2.a2) from t1, t2 where t1.a2 = 0 and t2.a3 = 'CA';
233
# Queries with min/max functions
234
# which extended min/max optimization are applied to
237
select min(a1) from t1 where a1 > 'KKK';
238
select min(a1) from t1 where a1 > 'KKK';
240
select min(a1) from t1 where a1 >= 'KKK';
241
select min(a1) from t1 where a1 >= 'KKK';
243
select max(a3) from t1 where a2 = 2 and a3 < 'SEA';
244
select max(a3) from t1 where a2 = 2 and a3 < 'SEA';
246
select max(a5) from t1 where a5 < date'1970-01-01';
247
select max(a5) from t1 where a5 < date'1970-01-01';
249
select max(a3) from t1 where a2 is null;
250
select max(a3) from t1 where a2 is null;
252
select max(a3) from t1 where a2 = 0 and a3 between 'K' and 'Q';
253
select max(a3) from t1 where a2 = 0 and a3 between 'K' and 'Q';
255
select min(a1), max(a1) from t1 where a1 between 'A' and 'P';
256
select min(a1), max(a1) from t1 where a1 between 'A' and 'P';
258
select max(a3) from t1 where a3 < 'SEA' and a2 = 2 and a3 <= 'MIN';
259
select max(a3) from t1 where a3 < 'SEA' and a2 = 2 and a3 <= 'MIN';
261
select max(a3) from t1 where a3 = 'MIN' and a2 = 2;
262
select max(a3) from t1 where a3 = 'MIN' and a2 = 2;
264
select max(a3) from t1 where a3 = 'DEN' and a2 = 2;
265
select max(a3) from t1 where a3 = 'DEN' and a2 = 2;
268
select max(t1.a3), min(t2.a2) from t1, t2 where t1.a2 = 2 and t1.a3 < 'MIN' and t2.a3 = 'CA';
269
select max(t1.a3), min(t2.a2) from t1, t2 where t1.a2 = 2 and t1.a3 < 'MIN' and t2.a3 = 'CA';
272
select max(a3) from t1 where a2 is null and a2 = 2;
273
select max(a3) from t1 where a2 is null and a2 = 2;
276
select max(a2) from t1 where a2 >= 1;
277
select max(a2) from t1 where a2 >= 1;
279
select min(a3) from t1 where a2 = 2 and a3 < 'SEA';
280
select min(a3) from t1 where a2 = 2 and a3 < 'SEA';
283
select min(a3) from t1 where a2 = 4;
284
select min(a3) from t1 where a2 = 4;
286
select min(a3) from t1 where a2 = 2 and a3 > 'SEA';
287
select min(a3) from t1 where a2 = 2 and a3 > 'SEA';
289
select (min(a4)+max(a4))/2 from t1;
290
select (min(a4)+max(a4))/2 from t1;
292
select min(a3) from t1 where 2 = a2;
293
select min(a3) from t1 where 2 = a2;
295
select max(a3) from t1 where a2 = 2 and 'SEA' > a3;
296
select max(a3) from t1 where a2 = 2 and 'SEA' > a3;
298
select max(a3) from t1 where a2 = 2 and 'SEA' < a3;
299
select max(a3) from t1 where a2 = 2 and 'SEA' < a3;
301
select min(a3) from t1 where a2 = 2 and a3 >= 'CHI';
302
select min(a3) from t1 where a2 = 2 and a3 >= 'CHI';
304
select min(a3) from t1 where a2 = 2 and a3 >= 'CHI' and a3 < 'SEA';
305
select min(a3) from t1 where a2 = 2 and a3 >= 'CHI' and a3 < 'SEA';
307
select min(a3) from t1 where a2 = 2 and a3 >= 'CHI' and a3 = 'MIN';
308
select min(a3) from t1 where a2 = 2 and a3 >= 'CHI' and a3 = 'MIN';
310
select min(a3) from t1 where a2 = 2 and a3 >= 'SEA' and a3 = 'MIN';
311
select min(a3) from t1 where a2 = 2 and a3 >= 'SEA' and a3 = 'MIN';
314
select min(t1.a1), min(t2.a4) from t1,t2 where t1.a1 < 'KKK' and t2.a4 < 'KKK';
315
select min(t1.a1), min(t2.a4) from t1,t2 where t1.a1 < 'KKK' and t2.a4 < 'KKK';
317
# Queries to which max/min optimization is not applied
320
select min(a1) from t1 where a1 > 'KKK' or a1 < 'XXX';
322
select min(a1) from t1 where a1 != 'KKK';
324
select max(a3) from t1 where a2 < 2 and a3 < 'SEA';
326
select max(t1.a3), min(t2.a2) from t1, t2 where t1.a2 = 2 and t1.a3 < 'MIN' and t2.a3 > 'CA';
329
select min(a4 - 0.01) from t1;
331
select max(a4 + 0.01) from t1;
333
select min(a3) from t1 where (a2 +1 ) is null;
335
select min(a3) from t1 where (a2 + 1) = 2;
337
select min(a3) from t1 where 2 = (a2 + 1);
339
select min(a2) from t1 where a2 < 2 * a2 - 8;
341
select min(a1) from t1 where a1 between a3 and 'KKK';
343
select min(a4) from t1 where (a4 + 0.01) between 0.07 and 0.08;
345
select concat(min(t1.a1),min(t2.a4)) from t1, t2 where t2.a4 <> 'AME';
348
# Moved to func_group_innodb
350
#create table t1 (USR_ID integer not null, MAX_REQ integer not null, constraint PK_SEA_USER primary key (USR_ID)) engine=InnoDB;
352
#insert into t1 values (1, 3);
353
#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;
354
#select Case When Count(*) < MAX_REQ Then 1 Else 0 End from t1 where t1.USR_ID = 1 group by MAX_REQ;
358
create table t1 (a char(10));
359
insert into t1 values ('a'),('b'),('c');
360
select coercibility(max(a)) from t1;
364
# Bug #6658 MAX(column) returns incorrect coercibility
366
create table t1 (a char);
367
insert into t1 values ('a'),('b');
368
--replace_regex /ENGINE=[a-zA-Z]+/ENGINE=DEFAULT/
369
show create table t1;
370
create table t2 select max(a),min(a) from t1;
371
--replace_regex /ENGINE=[a-zA-Z]+/ENGINE=DEFAULT/
372
show create table t2;
374
create table t2 select concat(a) from t1;
375
--replace_regex /ENGINE=[a-zA-Z]+/ENGINE=DEFAULT/
376
show create table t2;
380
# aggregate functions on static tables
382
create table t1 (a int);
383
insert into t1 values (1);
384
select max(a) as b from t1 having b=1;
385
select a from t1 having a=1;
389
# Bug #3435: variance(const), stddev(const) and an empty table
392
create table t1 (a int);
393
select variance(2) from t1;
394
select stddev(2) from t1;
399
# cleunup() of optimized away count(*) and max/min
401
create table t1 (a int);
402
insert into t1 values (1),(2);
403
SELECT COUNT(*) FROM t1;
404
SELECT COUNT(*) FROM t1;
405
SELECT COUNT(*) FROM t1;
408
create table t1 (a int, primary key(a));
409
insert into t1 values (1),(2);
410
SELECT max(a) FROM t1;
411
SELECT max(a) FROM t1;
412
SELECT max(a) FROM t1;
416
# Bug #5406 min/max optimization for empty set
419
CREATE TABLE t1 (a int primary key);
420
INSERT INTO t1 VALUES (1),(2),(3),(4);
422
SELECT MAX(a) FROM t1 WHERE a > 5;
423
SELECT MIN(a) FROM t1 WHERE a < 0;
428
# Bug #5555 GROUP BY enum_field" returns incorrect results
431
CREATE TEMPORARY TABLE t1 (
432
id int NOT NULL auto_increment,
433
val enum('one','two','three') NOT NULL default 'one',
437
INSERT INTO t1 VALUES
438
(1,'one'),(2,'two'),(3,'three'),(4,'one'),(5,'two');
440
select val, count(*) from t1 group by val;
444
# Bug #5615: type of aggregate function column wrong when using group by
447
create table t1(a int, b datetime);
448
insert into t1 values (1, NOW()), (2, NOW());
449
create table t2 select MAX(b) from t1 group by a;
450
--replace_regex /ENGINE=[a-zA-Z]+/ENGINE=DEFAULT/
451
show create table t2;
455
# Bug 7833: Wrong datatype of aggregate column is returned
458
create table t1(f1 datetime);
459
insert into t1 values (now());
460
create table t2 select f2 from (select max(now()) f2 from t1) a;
461
show columns from t2;
463
create table t2 select f2 from (select now() f2 from t1) a;
464
show columns from t2;
468
# Bug 8893: wrong result for min/max optimization with 2 indexes
475
INDEX i_b_id(a,b,id),
478
INSERT INTO t1 VALUES
479
(1,1,4), (2,2,1), (3,1,3), (4,2,1), (5,1,1);
480
SELECT MAX(id) FROM t1 WHERE id < 3 AND a=2 AND b=6;
483
# change the order of the last two index definitions
492
INSERT INTO t1 VALUES
493
(1,1,4), (2,2,1), (3,1,3), (4,2,1), (5,1,1);
494
SELECT MAX(id) FROM t1 WHERE id < 3 AND a=2 AND b=6;
499
# Bug #12882 min/max inconsistent on empty table
501
# Test case moved to func_group_innodb
503
# Bug #18206: min/max optimization cannot be applied to partial index
506
CREATE TABLE t1 (id int PRIMARY KEY, b char(3), INDEX(b));
507
INSERT INTO t1 VALUES (1,'xx'), (2,'aa');
510
SELECT MAX(b) FROM t1 WHERE b < 'ppppp';
512
SELECT MAX(b) FROM t1 WHERE b < 'pp';
515
CREATE TABLE t1 (id int PRIMARY KEY, b char(16), INDEX(b(4)));
516
INSERT INTO t1 VALUES (1, 'xxxxbbbb'), (2, 'xxxxaaaa');
517
SELECT MAX(b) FROM t1;
518
EXPLAIN SELECT MAX(b) FROM t1;
522
# Bug #16792 query with subselect, join, and group not returning proper values
524
CREATE TABLE t1 (a INT, b INT);
525
INSERT INTO t1 VALUES (1,1),(1,2),(2,3);
527
SELECT (SELECT COUNT(DISTINCT t1.b)) FROM t1 GROUP BY t1.a;
528
SELECT (SELECT COUNT(DISTINCT 12)) FROM t1 GROUP BY t1.a;
529
# an attempt to test all aggregate function with no table.
530
SELECT AVG(2), COUNT(*), COUNT(12),
531
COUNT(DISTINCT 12), MIN(2),MAX(2),STD(2), VARIANCE(2),SUM(2),
532
GROUP_CONCAT(2),GROUP_CONCAT(DISTINCT 2);
538
# decimal-related tests
540
create table t2 (ff double);
541
insert into t2 values (2.2);
542
select cast(sum(distinct ff) as decimal(5,2)) from t2;
543
select sum(distinct ff) from t2;
544
select cast(variance(ff) as decimal(10,3)) from t2;
545
select cast(min(ff) as decimal(5,2)) from t2;
547
create table t1 (df decimal(5,1));
548
insert into t1 values(1.1);
549
insert into t1 values(2.2);
550
select sum(distinct df) from t1;
551
select min(df) from t1;
552
select 1e8 * sum(distinct df) from t1;
553
select 1e8 * min(df) from t1;
555
create table t3 (ifl int);
556
insert into t3 values(1), (2);
557
select cast(min(ifl) as decimal(5,2)) from t3;
559
drop table t1, t2, t3;
563
# BUG#3190, WL#1639: Standard Deviation STDDEV - 2 different calculations
566
CREATE TABLE t1 (id int,value1 float(10,2));
567
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);
568
select id, stddev_pop(value1), var_pop(value1), stddev_samp(value1), var_samp(value1) from t1 group by id;
572
# BUG#8464 decimal AVG returns incorrect result
575
CREATE TABLE t1 (col1 decimal(16,12));
576
INSERT INTO t1 VALUES (-5.00000000001),(-5.00000000002),(-5.00000000003),(-5.00000000000),(-5.00000000001),(-5.00000000002);
577
insert into t1 select * from t1;
578
select col1,count(col1),sum(col1),avg(col1) from t1 group by col1;
582
# BUG#8465 decimal MIN and MAX return incorrect result
585
create table t1 (col1 decimal(16,12));
586
insert into t1 values (-5.00000000001);
587
insert into t1 values (-5.00000000001);
588
select col1,sum(col1),max(col1),min(col1) from t1 group by col1;
590
insert into t1 values (5.00000000001);
591
insert into t1 values (5.00000000001);
592
select col1,sum(col1),max(col1),min(col1) from t1 group by col1;
596
# Test that new VARCHAR correctly works with COUNT(DISTINCT)
599
CREATE TABLE t1 (a VARCHAR(400));
600
INSERT INTO t1 (a) VALUES ("A"), ("a"), ("a "), ("a "),
601
("B"), ("b"), ("b "), ("b ");
602
SELECT COUNT(DISTINCT a) FROM t1;
606
# Test for buf #9210: GROUP BY with expression if a decimal type
609
CREATE TABLE t1 (a int, b int, c int);
610
INSERT INTO t1 (a, b, c) VALUES
611
(1,1,1), (1,1,2), (1,1,3),
612
(1,2,1), (1,2,2), (1,2,3),
613
(1,3,1), (1,3,2), (1,3,3),
614
(2,1,1), (2,1,2), (2,1,3),
615
(2,2,1), (2,2,2), (2,2,3),
616
(2,3,1), (2,3,2), (2,3,3),
617
(3,1,1), (3,1,2), (3,1,3),
618
(3,2,1), (3,2,2), (3,2,3),
619
(3,3,1), (3,3,2), (3,3,3);
622
SELECT b/c as v, a FROM t1 ORDER BY v;
623
SELECT b/c as v, SUM(a) FROM t1 GROUP BY v;
624
SELECT SUM(a) FROM t1 GROUP BY b/c;
627
set div_precision_increment= @sav_dpi;
630
# Bug #20868: Client connection is broken on SQL query error
632
CREATE TABLE t1 (a INT PRIMARY KEY, b INT);
633
INSERT INTO t1 VALUES (1,1), (2,2);
635
CREATE TABLE t2 (a INT PRIMARY KEY, b INT);
636
INSERT INTO t2 VALUES (1,1), (3,3);
639
(SELECT SUM(c.a) FROM t1 ttt, t2 ccc
640
WHERE ttt.a = ccc.b AND ttt.a = t.a GROUP BY ttt.a) AS minid
641
FROM t1 t, t2 c WHERE t.a = c.b;
646
# Bug #10966: Variance functions return wrong data type
649
create table t1 select variance(0);
650
--replace_regex /ENGINE=[a-zA-Z]+/ENGINE=DEFAULT/
651
show create table t1;
653
create table t1 select stddev(0);
654
--replace_regex /ENGINE=[a-zA-Z]+/ENGINE=DEFAULT/
655
show create table t1;
660
# Bug#22555: STDDEV yields positive result for groups with only one row
663
create table bug22555 (i int primary key auto_increment, s1 int, s2 int, e decimal(30,10), o double);
664
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);
665
select std(s1/s2) from bug22555 group by i;
666
select std(e) from bug22555 group by i;
667
select std(o) from bug22555 group by i;
670
create table bug22555 (i int, s1 int, s2 int, o1 double, o2 double, e1 decimal, e2 decimal);
671
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);
672
select i, count(*) from bug22555 group by i;
673
select std(s1/s2) from bug22555 where i=1;
674
select std(s1/s2) from bug22555 where i=2;
675
select std(s1/s2) from bug22555 where i=3;
676
select std(s1/s2) from bug22555 where i=1 group by i;
677
select std(s1/s2) from bug22555 where i=2 group by i;
678
select std(s1/s2) from bug22555 where i=3 group by i;
679
select std(s1/s2) from bug22555 group by i order by i;
680
select i, count(*), std(o1/o2) from bug22555 group by i order by i;
681
select i, count(*), std(e1/e2) from bug22555 group by i order by i;
682
set @saved_div_precision_increment=@@div_precision_increment;
683
set div_precision_increment=19;
684
select i, count(*), variance(s1/s2) from bug22555 group by i order by i;
685
select i, count(*), variance(o1/o2) from bug22555 group by i order by i;
686
select i, count(*), variance(e1/e2) from bug22555 group by i order by i;
687
select i, count(*), std(s1/s2) from bug22555 group by i order by i;
688
select i, count(*), std(o1/o2) from bug22555 group by i order by i;
689
select i, count(*), std(e1/e2) from bug22555 group by i order by i;
690
set div_precision_increment=20;
691
select i, count(*), variance(s1/s2) from bug22555 group by i order by i;
692
select i, count(*), variance(o1/o2) from bug22555 group by i order by i;
693
select i, count(*), variance(e1/e2) from bug22555 group by i order by i;
694
select i, count(*), std(s1/s2) from bug22555 group by i order by i;
695
select i, count(*), std(o1/o2) from bug22555 group by i order by i;
696
select i, count(*), std(e1/e2) from bug22555 group by i order by i;
697
set @@div_precision_increment=@saved_div_precision_increment;
698
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);
699
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);
700
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);
702
select i, count(*), std(s1/s2) from bug22555 group by i order by i;
703
select i, count(*), round(std(o1/o2), 16) from bug22555 group by i order by i;
704
select i, count(*), std(e1/e2) from bug22555 group by i order by i;
705
select std(s1/s2) from bug22555;
706
select std(o1/o2) from bug22555;
707
select std(e1/e2) from bug22555;
708
set @saved_div_precision_increment=@@div_precision_increment;
709
set div_precision_increment=19;
710
select i, count(*), std(s1/s2) from bug22555 group by i order by i;
711
select i, count(*), round(std(o1/o2), 16) from bug22555 group by i order by i;
712
select i, count(*), std(e1/e2) from bug22555 group by i order by i;
713
select round(std(s1/s2), 17) from bug22555;
714
select std(o1/o2) from bug22555;
715
select round(std(e1/e2), 17) from bug22555;
716
set div_precision_increment=20;
717
select i, count(*), std(s1/s2) from bug22555 group by i order by i;
718
select i, count(*), round(std(o1/o2), 16) from bug22555 group by i order by i;
719
select i, count(*), std(e1/e2) from bug22555 group by i order by i;
720
select round(std(s1/s2), 17) from bug22555;
721
select std(o1/o2) from bug22555;
722
select round(std(e1/e2), 17) from bug22555;
723
set @@div_precision_increment=@saved_div_precision_increment;
726
create table bug22555 (s int, o double, e decimal);
727
insert into bug22555 values (1,1,1),(2,2,2),(3,3,3),(6,6,6),(7,7,7);
728
select var_samp(s), var_pop(s) from bug22555;
729
select var_samp(o), var_pop(o) from bug22555;
730
select var_samp(e), var_pop(e) from bug22555;
733
create table bug22555 (s int, o double, e decimal);
734
insert into bug22555 values (null,null,null),(null,null,null);
735
select var_samp(s) as 'null', var_pop(s) as 'null' from bug22555;
736
select var_samp(o) as 'null', var_pop(o) as 'null' from bug22555;
737
select var_samp(e) as 'null', var_pop(e) as 'null' from bug22555;
738
insert into bug22555 values (1,1,1);
739
select var_samp(s) as 'null', var_pop(s) as '0' from bug22555;
740
select var_samp(o) as 'null', var_pop(o) as '0' from bug22555;
741
select var_samp(e) as 'null', var_pop(e) as '0' from bug22555;
742
insert into bug22555 values (2,2,2);
743
select var_samp(s) as '0.5', var_pop(s) as '0.25' from bug22555;
744
select var_samp(o) as '0.5', var_pop(o) as '0.25' from bug22555;
745
select var_samp(e) as '0.5', var_pop(e) as '0.25' from bug22555;
750
# Bug #21976: Unnecessary warning with count(decimal)
753
create table t1 (a decimal(20));
754
insert into t1 values (12345678901234567890);
755
select count(a) from t1;
756
select count(distinct a) from t1;
760
# Bug #23184: SELECT causes server crash
762
CREATE TABLE t1 (a INT, b INT);
763
INSERT INTO t1 VALUES (1,1),(1,2),(1,3),(1,4),(1,5),(1,6),(1,7),(1,8);
764
INSERT INTO t1 SELECT a, b+8 FROM t1;
765
INSERT INTO t1 SELECT a, b+16 FROM t1;
766
INSERT INTO t1 SELECT a, b+32 FROM t1;
767
INSERT INTO t1 SELECT a, b+64 FROM t1;
768
INSERT INTO t1 SELECT a, b+128 FROM t1;
769
INSERT INTO t1 SELECT a, b+256 FROM t1;
770
INSERT INTO t1 SELECT a, b+512 FROM t1;
771
INSERT INTO t1 SELECT a, b+1024 FROM t1;
772
INSERT INTO t1 SELECT a, b+2048 FROM t1;
773
INSERT INTO t1 SELECT a, b+4096 FROM t1;
774
INSERT INTO t1 SELECT a, b+8192 FROM t1;
775
INSERT INTO t1 SELECT a, b+16384 FROM t1;
776
INSERT INTO t1 SELECT a, b+32768 FROM t1;
777
SELECT a,COUNT(DISTINCT b) AS cnt FROM t1 GROUP BY a HAVING cnt > 50;
778
SELECT a,SUM(DISTINCT b) AS sumation FROM t1 GROUP BY a HAVING sumation > 50;
779
SELECT a,AVG(DISTINCT b) AS average FROM t1 GROUP BY a HAVING average > 50;
784
# Bug #27573: MIN() on an indexed column which is always NULL sets _other_
787
CREATE TABLE t1 ( a INT, b INT, KEY(a) );
788
INSERT INTO t1 VALUES (NULL, 1), (NULL, 2);
789
EXPLAIN SELECT MIN(a), MIN(b) FROM t1;
790
SELECT MIN(a), MIN(b) FROM t1;
792
CREATE TABLE t2( a INT, b INT, c INT, KEY(a, b) );
793
INSERT INTO t2 ( a, b, c ) VALUES ( 1, NULL, 2 ), ( 1, 3, 4 ), ( 1, 4, 4 );
794
EXPLAIN SELECT MIN(b), MIN(c) FROM t2 WHERE a = 1;
795
SELECT MIN(b), MIN(c) FROM t2 WHERE a = 1;
797
CREATE TABLE t3 (a INT, b INT, c int, KEY(a, b));
798
INSERT INTO t3 VALUES (1, NULL, 1), (2, NULL, 2), (2, NULL, 2), (3, NULL, 3);
799
EXPLAIN SELECT MIN(a), MIN(b) FROM t3 where a = 2;
800
SELECT MIN(a), MIN(b) FROM t3 where a = 2;
802
CREATE TABLE t4 (a INT, b INT, c int, KEY(a, b));
803
INSERT INTO t4 VALUES (1, 1, 1), (2, NULL, 2), (2, NULL, 2), (3, 1, 3);
804
EXPLAIN SELECT MIN(a), MIN(b) FROM t4 where a = 2;
805
SELECT MIN(a), MIN(b) FROM t4 where a = 2;
806
SELECT MIN(b), min(c) FROM t4 where a = 2;
808
CREATE TABLE t5( a INT, b INT, KEY( a, b) );
809
INSERT INTO t5 VALUES( 1, 1 ), ( 1, 2 );
810
EXPLAIN SELECT MIN(a), MIN(b) FROM t5 WHERE a = 1;
811
SELECT MIN(a), MIN(b) FROM t5 WHERE a = 1;
812
SELECT MIN(a), MIN(b) FROM t5 WHERE a = 1 and b > 1;
814
DROP TABLE t1, t2, t3, t4, t5;
817
# Bug #30715: Assertion failed: item_field->field->real_maybe_null(), file
821
CREATE TABLE t1 (a int, b date NOT NULL, KEY k1 (a,b));
822
SELECT MIN(b) FROM t1 WHERE a=1 AND b>'2007-08-01';
826
# Bug #34512: CAST( AVG( double ) AS DECIMAL ) returns wrong results
829
CREATE TABLE t1(a DOUBLE);
830
INSERT INTO t1 VALUES (10), (20);
831
SELECT AVG(a), CAST(AVG(a) AS DECIMAL) FROM t1;
836
--echo End of 5.0 tests