| Bug #38169 | Innodb ignores CASCADE on drop tables | ||
|---|---|---|---|
| Submitted: | 16 Jul 2008 11:14 | Modified: | 18 Jul 2008 12:24 |
| Reporter: | Susanne Ebrecht | Email Updates: | |
| Status: | Closed | Impact on me: | |
| Category: | MySQL Server: Documentation | Severity: | S3 (Non-critical) |
| Version: | 5.1 | OS: | Any |
| Assigned to: | CPU Architecture: | Any | |
[16 Jul 2008 11:31]
Susanne Ebrecht
Ok, it's documented that CASCADE is doing nothing in 5.1

Description: drop table t,t1 cascade; ERROR 1217 (23000): Cannot delete or update a parent row: a foreign key constraint fails According to documentation: DROP [TEMPORARY] TABLE [IF EXISTS] tbl_name [, tbl_name] ... [RESTRICT | CASCADE] Using non strict mode CASCADE should be default, using strict mode RESTRICT should be default. I used non strict mode and CASCADE failed also when you explicit add it at drop statement. How to repeat: create table t(id serial) engine=innodb; create table t1(i bigint(20) unsigned, foreign key(i) references t(id))engine=innodb; drop table t,t1 cascade; Suggested fix: ...