File: group_min_max_ext_data.inc

package info (click to toggle)
mysql-8.0 8.0.43-3
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,273,924 kB
  • sloc: cpp: 4,684,605; ansic: 412,450; pascal: 108,398; java: 83,641; perl: 30,221; cs: 27,067; sql: 26,594; sh: 24,181; python: 21,816; yacc: 17,169; php: 11,522; xml: 7,388; javascript: 7,076; makefile: 2,194; lex: 1,075; awk: 670; asm: 520; objc: 183; ruby: 97; lisp: 86
file content (55 lines) | stat: -rw-r--r-- 976 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
 
eval
CREATE TABLE t (a INT, b INT, c INT, d INT, KEY k1(a, b, c, d)) ENGINE=$engine;

--disable_query_log
CREATE TEMPORARY TABLE a (a INT);
let $i=10;
while ($i)
{
  --eval INSERT INTO a VALUES ($i)
  dec $i;
}

CREATE TEMPORARY TABLE b (a INT);
let $i=5;
while ($i)
{
  --eval INSERT INTO b VALUES ($i)
  dec $i;
}

CREATE TEMPORARY TABLE c (a INT);
let $i=5;
while ($i)
{
  --eval INSERT INTO c VALUES ($i)
  dec $i;
}

CREATE TEMPORARY TABLE d (a INT);
let $i=10;
while ($i)
{
  --eval INSERT INTO d VALUES ($i)
  dec $i;
}

INSERT INTO t SELECT a.a, b.a, c.a, d.a FROM a, b, c, d;

INSERT INTO t VALUES (11, 2, 3, -10);
INSERT INTO t VALUES (11, 3, 3, 20);
INSERT INTO t VALUES (11, 15, NULL, -20);
INSERT INTO t VALUES (11, NULL, 40, 30);

INSERT INTO t VALUES (12, 15, 3, -15);
INSERT INTO t VALUES (12, 15, 40, -20);
INSERT INTO t VALUES (12, 2, 40, -23);
INSERT INTO t VALUES (12, 2, 3, NULL);


DROP TEMPORARY TABLE a, b, c, d;

--enable_query_log

ANALYZE TABLE t;