9
9
set @sav_dpi= @@div_precision_increment;
10
10
set div_precision_increment= 5;
11
11
show variables like 'div_precision_increment';
12
create table t1 (grp int, a bigint, c char(10) not null);
12
create table t1 (grp int, a bigint unsigned, c char(10) not null);
13
13
insert into t1 values (1,1,"a");
14
14
insert into t1 values (2,2,"b");
15
15
insert into t1 values (2,3,"c");
27
27
insert into t1 values (null,null,'');
28
28
select count(distinct a),count(distinct grp) from t1;
30
create table t2 (grp int, a bigint, c char(10));
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;
36
create table t2 (grp int, a bigint unsigned, c char(10));
31
37
insert into t2 select grp,max(a)+max(grp),max(c) from t1 group by grp;
33
39
# REPLACE ... SELECT doesn't yet work with PS
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) unsigned 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) unsigned 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;
651
710
# Bug#22555: STDDEV yields positive result for groups with only one row
654
create table bug22555 (i int primary key auto_increment, s1 int, s2 int, e decimal(30,10), o double);
713
create table bug22555 (i smallint primary key auto_increment, s1 smallint, s2 smallint, e decimal(30,10), o double);
655
714
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);
656
715
select std(s1/s2) from bug22555 group by i;
657
716
select std(e) from bug22555 group by i;
658
717
select std(o) from bug22555 group by i;
659
718
drop table bug22555;
661
create table bug22555 (i int, s1 int, s2 int, o1 double, o2 double, e1 decimal, e2 decimal);
720
create table bug22555 (i smallint, s1 smallint, s2 smallint, o1 double, o2 double, e1 decimal, e2 decimal);
662
721
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);
663
722
select i, count(*) from bug22555 group by i;
664
723
select std(s1/s2) from bug22555 where i=1;
714
773
set @@div_precision_increment=@saved_div_precision_increment;
715
774
drop table bug22555;
717
create table bug22555 (s int, o double, e decimal);
776
create table bug22555 (s smallint, o double, e decimal);
718
777
insert into bug22555 values (1,1,1),(2,2,2),(3,3,3),(6,6,6),(7,7,7);
719
778
select var_samp(s), var_pop(s) from bug22555;
720
779
select var_samp(o), var_pop(o) from bug22555;
721
780
select var_samp(e), var_pop(e) from bug22555;
722
781
drop table bug22555;
724
create table bug22555 (s int, o double, e decimal);
783
create table bug22555 (s smallint, o double, e decimal);
725
784
insert into bug22555 values (null,null,null),(null,null,null);
726
785
select var_samp(s) as 'null', var_pop(s) as 'null' from bug22555;
727
786
select var_samp(o) as 'null', var_pop(o) as 'null' from bug22555;