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niyuhang
2023-11-15 11:44:43 +00:00
committed by ob-robot
parent 4900683cff
commit c8ace58297
685 changed files with 1080566 additions and 111051 deletions
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142
tools/deploy/mysql_test/r/mysql/func_group_7.result Normal file
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drop table if exists t1,t2,t3,t4,t5;
create table t1 (pk int primary key,a double ,b double);
insert into t1(pk,a) values (1,12345678901234567890);
select count(a) from t1;
count(a)
1
select count(distinct a) from t1;
count(distinct a)
1
drop table t1;
CREATE TABLE t1 (a INT, b INT primary key);
INSERT INTO t1 VALUES (1,1),(1,2),(1,3),(1,4),(1,5),(1,6),(1,7),(1,8);
SELECT a,COUNT(DISTINCT b) AS cnt FROM t1 GROUP BY a HAVING cnt > 50;
a cnt
SELECT a,SUM(DISTINCT b) AS sumation FROM t1 GROUP BY a HAVING sumation > 50;
a sumation
SELECT a,AVG(DISTINCT b) AS average FROM t1 GROUP BY a HAVING average > 50;
a average
DROP TABLE t1;
CREATE TABLE t1 ( a INT, b INT primary key);
INSERT INTO t1 VALUES (NULL, 1), (NULL, 2);
EXPLAIN SELECT MIN(a), MIN(b) FROM t1;
SELECT MIN(a), MIN(b) FROM t1;
MIN(a) MIN(b)
NULL 1
CREATE TABLE t2( pk int primary key, a INT, b INT, c INT);
INSERT INTO t2 ( pk,a, b, c ) VALUES ( 1,1, NULL, 2 ), ( 2,1, 3, 4 ), ( 3,1, 4, 4 );
EXPLAIN SELECT MIN(b), MIN(c) FROM t2 WHERE a = 1;
SELECT MIN(b), MIN(c) FROM t2 WHERE a = 1;
MIN(b) MIN(c)
3 2
CREATE TABLE t3 (pk int primary key , a INT, b INT, c int);
INSERT INTO t3 VALUES (1,1, NULL, 1), (2,2, NULL, 2), (3,3, NULL, 3);
EXPLAIN SELECT MIN(a), MIN(b) FROM t3 where a = 2;
SELECT MIN(a), MIN(b) FROM t3 where a = 2;
MIN(a) MIN(b)
2 NULL
CREATE TABLE t4 (a INT, b INT, c int, primary KEY(a, c));
INSERT INTO t4 VALUES (1, 1, 1), (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;
MIN(a) MIN(b)
2 NULL
SELECT MIN(b), min(c) FROM t4 where a = 2;
MIN(b) min(c)
NULL 2
CREATE TABLE t5( a INT, b INT, primary KEY( a, b),c int);
INSERT INTO t5(a,b) 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;
MIN(a) MIN(b)
1 1
SELECT MIN(a), MIN(b) FROM t5 WHERE a = 1 and b > 1;
MIN(a) MIN(b)
1 2
DROP TABLE t1, t2, t3, t4, t5;
CREATE TABLE t1 (a int, b datetime(6), primary key (a,b),c int);
SELECT MIN(b) FROM t1 WHERE a=1 AND b>'2007-08-01';
MIN(b)
NULL
DROP TABLE t1;
CREATE TABLE t1 (a INT primary key, b int);
INSERT INTO t1(a) VALUES (1),(2),(3),(4);
SELECT a FROM t1 HAVING COUNT(*)>2;
a
1
SELECT COUNT(*), a FROM t1;
COUNT(*) a
4 1
SELECT a FROM t1 HAVING COUNT(*)>2;
a
1
SELECT COUNT(*), a FROM t1;
COUNT(*) a
4 1
DROP TABLE t1;
CREATE TABLE t1(pk int primary key,a DOUBLE );
INSERT INTO t1 VALUES (1,10), (2,20);
SELECT AVG(a), CAST(AVG(a) AS DECIMAL) FROM t1;
AVG(a) CAST(AVG(a) AS DECIMAL)
15 15
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT primary key);
INSERT INTO t1 VALUES (1,1), (1,2), (1,3);
SELECT COUNT(*) FROM t1;
COUNT(*)
3
SELECT COUNT(*) FROM t1 where a=1;
COUNT(*)
3
SELECT COUNT(*),a FROM t1;
COUNT(*) a
3 1
SELECT COUNT(*) FROM t1 a JOIN t1 b ON a.a= b.a;
COUNT(*)
9
DROP TABLE t1;
CREATE TABLE t1 (
pk INT NOT NULL,
i INT,
PRIMARY KEY (pk)
);
INSERT INTO t1 VALUES (1,11),(2,12),(3,13);
SELECT MAX(pk) as max, i
FROM t1
ORDER BY max;
max i
3 11
SELECT MAX(pk) as max, i
FROM t1
WHERE pk<2
ORDER BY max;
max i
1 11
DROP TABLE t1;
CREATE TABLE t1(a int, primary KEY(a), b int);
INSERT INTO t1(a) VALUES (1), (2);
SELECT 1 FROM t1 ORDER BY AVG(DISTINCT a);
1
1
DROP TABLE t1;
CREATE TABLE t1 (pk int primary key,col_int_nokey int);
INSERT INTO t1 VALUES (1,7),(2,8),(3,NULL);
SELECT AVG(DISTINCT col_int_nokey) FROM t1;
AVG(DISTINCT col_int_nokey)
7.5000
SELECT AVG(DISTINCT outr.col_int_nokey) FROM t1 AS outr LEFT JOIN t1 AS outr2 ON
outr.col_int_nokey = outr2.col_int_nokey;
AVG(DISTINCT outr.col_int_nokey)
7.5000
DROP TABLE t1;
create table t1 (pk int primary key, b int);
insert into t1 values (1, NULL), (2, 2), (3, 4);
select * from t1;
pk b
1 NULL
2 2
3 4
select count(b), min(b), max(b), sum(b), avg(b) from t1;
count(b) min(b) max(b) sum(b) avg(b)
2 2 4 6 3.0000
drop table t1;