27
27
insert into t1 values (null,null,'');
28
28
select count(distinct a),count(distinct grp) from t1;
30
select sum(all a),count(all a),avg(all a),std(all a),variance(all a),bit_or(all a),bit_and(all a),min(all a),max(all a),min(all c),max(all c) from t1;
31
select grp, sum(a),count(a),avg(a),std(a),variance(a),bit_or(a),bit_and(a),min(a),max(a),min(c),max(c) from t1 group by grp;
33
select grp, sum(a)+count(a)+avg(a)+std(a)+variance(a)+bit_or(a)+bit_and(a)+min(a)+max(a)+min(c)+max(c) as sum from t1 group by grp;
30
36
create table t2 (grp int, a bigint, c char(10));
31
37
insert into t2 select grp,max(a)+max(grp),max(c) from t1 group by grp;
40
46
# Problem with std()
43
CREATE TABLE t1 (id int,value1 float(10,2));
49
CREATE TABLE t1 (id int(11),value1 float(10,2));
44
50
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));
51
CREATE TABLE t2 (id int(11),name char(20));
46
52
INSERT INTO t2 VALUES (1,'Set One'),(2,'Set Two');
47
53
select id, avg(value1), std(value1), variance(value1) from t1 group by id;
48
54
select name, avg(value1), std(value1), variance(value1) from t1, t2 where t1.id = t2.id group by t1.id;
141
147
drop table t1,t2;
150
# Test of group function and NULL values
153
CREATE TABLE t1 (a int, b int);
154
select count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b) from t1;
155
select a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b) from t1 group by a;
156
insert into t1 values (1,null);
157
select a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b) from t1 group by a;
158
insert into t1 values (1,null);
159
insert into t1 values (2,null);
160
select a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b) from t1 group by a;
161
select SQL_BIG_RESULT a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b) from t1 group by a;
162
insert into t1 values (2,1);
163
select a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b) from t1 group by a;
164
select SQL_BIG_RESULT a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b) from t1 group by a;
165
insert into t1 values (3,1);
166
select a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b) from t1 group by a;
167
select SQL_BIG_RESULT a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b), bit_xor(b) from t1 group by a;
168
explain extended select SQL_BIG_RESULT a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b), bit_xor(b) from t1 group by a;
172
# Bug #1972: test for bit_and(), bit_or() and negative values
174
create table t1 (col int);
175
insert into t1 values (-1), (-2), (-3);
176
select bit_and(col), bit_or(col) from t1;
177
select SQL_BIG_RESULT bit_and(col), bit_or(col) from t1 group by col;
144
181
# Bug #3376: avg() and an empty table
426
465
CREATE TABLE t1 (
427
id int NOT NULL auto_increment,
466
id int(10) NOT NULL auto_increment,
428
467
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');
469
) ENGINE=MyISAM DEFAULT CHARSET=utf8;
471
INSERT INTO t1 VALUES
472
(1,'one'),(2,'two'),(3,'three'),(4,'one'),(5,'two');
474
select val, count(*) from t1 group by val;
478
id int(10) NOT NULL auto_increment,
479
val set('one','two','three') NOT NULL default 'one',
481
) ENGINE=MyISAM DEFAULT CHARSET=utf8;
483
INSERT INTO t1 VALUES
484
(1,'one'),(2,'two'),(3,'three'),(4,'one'),(5,'two');
435
486
select val, count(*) from t1 group by val;
512
563
EXPLAIN SELECT MAX(b) FROM t1;
566
CREATE TABLE t1 (id int , b varchar(512), INDEX(b(250))) COLLATE latin1_bin;
567
INSERT INTO t1 VALUES
568
(1,CONCAT(REPEAT('_', 250), "qq")), (1,CONCAT(REPEAT('_', 250), "zz")),
569
(1,CONCAT(REPEAT('_', 250), "aa")), (1,CONCAT(REPEAT('_', 250), "ff"));
571
SELECT MAX(b) FROM t1;
572
EXPLAIN SELECT MAX(b) FROM t1;
516
575
# Bug #16792 query with subselect, join, and group not returning proper values
521
580
SELECT (SELECT COUNT(DISTINCT t1.b)) FROM t1 GROUP BY t1.a;
522
581
SELECT (SELECT COUNT(DISTINCT 12)) FROM t1 GROUP BY t1.a;
523
582
# an attempt to test all aggregate function with no table.
524
SELECT AVG(2), COUNT(*), COUNT(12),
583
SELECT AVG(2), BIT_AND(2), BIT_OR(2), BIT_XOR(2), COUNT(*), COUNT(12),
525
584
COUNT(DISTINCT 12), MIN(2),MAX(2),STD(2), VARIANCE(2),SUM(2),
526
585
GROUP_CONCAT(2),GROUP_CONCAT(DISTINCT 2);
534
593
create table t2 (ff double);
535
594
insert into t2 values (2.2);
536
595
select cast(sum(distinct ff) as decimal(5,2)) from t2;
537
select sum(distinct ff) from t2;
596
select cast(sum(distinct ff) as signed) from t2;
538
597
select cast(variance(ff) as decimal(10,3)) from t2;
539
598
select cast(min(ff) as decimal(5,2)) from t2;
541
600
create table t1 (df decimal(5,1));
542
601
insert into t1 values(1.1);
543
602
insert into t1 values(2.2);
544
select sum(distinct df) from t1;
545
select min(df) from t1;
603
select cast(sum(distinct df) as signed) from t1;
604
select cast(min(df) as signed) from t1;
546
605
select 1e8 * sum(distinct df) from t1;
547
606
select 1e8 * min(df) from t1;
557
616
# BUG#3190, WL#1639: Standard Deviation STDDEV - 2 different calculations
560
CREATE TABLE t1 (id int,value1 float(10,2));
619
CREATE TABLE t1 (id int(11),value1 float(10,2));
561
620
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);
562
621
select id, stddev_pop(value1), var_pop(value1), stddev_samp(value1), var_samp(value1) from t1 group by id;