File: add_constraint.result

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 (13 lines) | stat: -rw-r--r-- 579 bytes parent folder | download | duplicates (6) 
1
2
3
4
5
6
7
8
9
10
11
12
13
 
#
# Bug #20762798 FK DDL: CRASH IN DICT_FOREIGN_REMOVE_FROM_CACHE
#
create table t1(a int, b int, key(a),key(b))engine=innodb;
create table t2(a int, b int, key(a),key(b))engine=innodb;
alter table t2 add constraint b foreign key (b) references t1(a);
alter table t1 add constraint b1 foreign key (b) references t2(a);
alter table t2 add constraint b1 foreign key (b) references t1(a);
ERROR HY000: Can't create table `test`.`t2` (errno: 121 "Duplicate key on write or update")
alter table t2 drop foreign key b;
alter table t1 drop foreign key b1;
drop table t2;
drop table t1;