File: galera_fk_setnull.test

package info (click to toggle)
mariadb 1%3A11.8.3-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 772,520 kB
  • sloc: ansic: 2,414,714; cpp: 1,791,394; asm: 381,336; perl: 62,905; sh: 49,647; pascal: 40,897; java: 39,363; python: 20,791; yacc: 20,432; sql: 17,907; xml: 12,344; ruby: 8,544; cs: 6,542; makefile: 6,145; ada: 1,879; lex: 1,193; javascript: 996; objc: 80; tcl: 73; awk: 46; php: 22
file content (36 lines) | stat: -rw-r--r-- 789 bytes parent folder | download | duplicates (7) 
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
 
--source include/galera_cluster.inc
--source include/have_innodb.inc

CREATE TABLE parent (
    id INT NOT NULL,
    PRIMARY KEY (id)
) ENGINE=InnoDB;

CREATE TABLE child (
    id INT, 
    parent_id INT,
    FOREIGN KEY (parent_id) 
        REFERENCES parent(id)
	ON UPDATE SET NULL
	ON DELETE SET NULL
) ENGINE=InnoDB;

INSERT INTO parent VALUES (1),(2);
INSERT INTO child VALUES (1,1),(2,2);

--connection node_2
DELETE FROM parent WHERE id = 1;
SELECT parent_id IS NULL FROM child WHERE id = 1;

--connection node_1
SELECT parent_id IS NULL FROM child WHERE id = 1;

UPDATE parent SET id = 3 WHERE id = 2;
SELECT parent_id IS NULL FROM child WHERE id = 2;

--connection node_2
SELECT parent_id IS NULL FROM child WHERE id = 2;

--connection node_1
DROP TABLE child;
DROP TABLE parent;