File: galera_var_fkchecks.result

package info (click to toggle)
mariadb-10.5 1%3A10.5.23-0%2Bdeb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 712,240 kB
  • sloc: ansic: 2,158,658; cpp: 1,843,101; asm: 297,745; perl: 59,967; sh: 53,869; pascal: 38,348; java: 33,919; yacc: 19,639; python: 11,119; xml: 10,126; sql: 10,027; ruby: 8,544; makefile: 6,343; cs: 2,866; lex: 1,205; javascript: 1,037; objc: 80; tcl: 73; awk: 46; php: 22; sed: 16
file content (30 lines) | stat: -rw-r--r-- 803 bytes parent folder | download | duplicates (5) 
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
 
connection node_2;
connection node_1;
CREATE TABLE parent (
id INT PRIMARY KEY,
KEY (id)
) ENGINE=InnoDB;
CREATE TABLE child (
id INT PRIMARY KEY,
parent_id INT,
FOREIGN KEY (parent_id) 
REFERENCES parent(id)
) ENGINE=InnoDB;
INSERT INTO parent VALUES (1);
INSERT INTO child VALUES (1,1);
SET SESSION foreign_key_checks = 0;
INSERT INTO child VALUES (2,2);
connection node_2;
SELECT COUNT(*) = 1 FROM child WHERE id = 2;
COUNT(*) = 1
1
INSERT INTO child VALUES (3,3);
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`child`, CONSTRAINT `child_ibfk_1` FOREIGN KEY (`parent_id`) REFERENCES `parent` (`id`))
SET SESSION foreign_key_checks = 0;
DELETE FROM parent;
connection node_1;
SELECT COUNT(*) = 0 FROM parent;
COUNT(*) = 0
1
DROP TABLE child;
DROP TABLE parent;