File: program_nested_setup.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 (88 lines) | stat: -rw-r--r-- 1,919 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
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
#
# SET-UP - Creation of various nested stored programs
#

# Test requires: sp-protocol/ps-protocol/view-protocol/cursor-protocol disabled
--source include/no_protocol.inc

--echo # SET-UP
CREATE DATABASE nested_sp;
USE nested_sp;

CREATE TABLE t1(
        id   CHAR(16) NOT NULL DEFAULT '',
        data INT NOT NULL
);

CREATE TABLE t2(
  n INT UNSIGNED NOT NULL, 
  f BIGINT UNSIGNED
);

--echo ############################
--echo # Creating Stored Programs #
--echo ############################
DELIMITER |;

# Nested Stored Procedure - 1
CREATE PROCEDURE c1(x INT)
  CALL c2("c", x)|
CREATE PROCEDURE c2(s CHAR(16), x INT)
  CALL c3(x, s)|
CREATE PROCEDURE c3(x INT, s CHAR(16))
  CALL c4("level", x, s)|
CREATE PROCEDURE c4(l CHAR(8), x INT, s CHAR(16))
  INSERT INTO t1 VALUES (concat(l,s), x)|

# Nested Stored Procedure - 2
CREATE PROCEDURE iotest(x1 CHAR(16), x2 CHAR(16), y INT)
BEGIN
  CALL inc2(x2, y);
  INSERT INTO t1 VALUES (x1, y);
END|
CREATE PROCEDURE inc2(x CHAR(16), y INT)
BEGIN
  CALL inc(y);
  INSERT INTO t1 VALUES (x, y);
END|
CREATE PROCEDURE inc(inout io INT)
  SET io = io + 1|

# Nested Stored Function 
CREATE FUNCTION mul(x INT, y INT) RETURNS INT
  RETURN x*y|
CREATE FUNCTION inc(i INT) RETURNS INT
  RETURN i+1|
CREATE FUNCTION fac(n INT UNSIGNED) RETURNS BIGINT UNSIGNED
BEGIN
  DECLARE f BIGINT UNSIGNED DEFAULT 1;
  WHILE n > 1 DO
    SET f = f * n;
    SET n = n - 1;
  END WHILE;
  RETURN f;
END|
CREATE FUNCTION fun(i INT, u INT UNSIGNED) RETURNS DOUBLE
  RETURN mul(inc(i), fac(u))|
#
# A nested stored program 
#
CREATE PROCEDURE ifac(n INT UNSIGNED)
BEGIN
  DECLARE i BIGINT UNSIGNED DEFAULT 1;

  IF n > 20 THEN
    SET n = 20;         # bigint overflow otherwise
  END IF;
  WHILE i <= n DO
    BEGIN
      INSERT INTO t2 VALUES (i, fac(i));
      SET i = i + 1;
    END;
  END WHILE;
END|
CREATE TRIGGER trg AFTER INSERT ON t1 FOR EACH ROW
  CALL ifac(10)|

DELIMITER ;|