1025 Error On Rename
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Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs error 1025 (hy000) error on rename of (errno 152) Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; error 1025 (hy000) error on rename of (errno 150) it only takes a minute: Sign up #1025 - Error on rename (errno: 150) in mysql up vote 8 down vote favorite 1 I am trying to drop a foreign key(id) in one table(misc) which is the primary key(id) in table(main). db name(xxx) alter table misc drop FOREIGN KEY id I am getting this error #1025 - Error on rename
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of '.\interview#sql-edc_27' to '.\interview\misc' (errno: 150) mysql share|improve this question edited Oct 29 '13 at 20:43 juergen d 125k21130195 asked Oct 29 '13 at 20:42 black 68931124 possible duplicate of #1025 - Error on rename of './database/#sql-2e0f_1254ba7' to './database/table' (errno: 150) –Kermit Oct 29 '13 at 20:50 add a comment| 2 Answers 2 active oldest votes up vote 14 down vote accepted SHOW CREATE TABLE misc ; You can't drop the foreign key using the column name,run the above query to find out the correct name,something like misc_ibfk_1 Heh,IT IS this name: alter table misc drop FOREIGN KEY misc_ibfk_1 share|improve this answer answered Oct 29 '13 at 20:50 Mihai 15.2k52442 ALTER TABLE misc DROP COLUMN id to drop column . thanks –black Oct 29 '13 at 21:00 add a comment| up vote 1 down vote In my case, was necessary to make a 3-step process (my table is named "articulos", and the hard-to-remove index is "FK_Departamento_ID") For knowing the name of table, I executed: SHOW INDEX FROM articulos; This statement resolved the is
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Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up What does mysql error 1025 (HY000): Error on rename http://stackoverflow.com/questions/19668682/1025-error-on-rename-errno-150-in-mysql of './foo' (errorno: 150) mean? up vote 122 down vote favorite 46 I tried this in mysql: mysql> alter table region drop column country_id; And got this: ERROR 1025 (HY000): Error on rename of './product/#sql-14ae_81' to './product/region' (errno: 150) Any ideas? Foreign key stuff? mysql mysql-error-1025 share|improve this question edited Dec 5 '09 at 7:00 OMG Ponies 198k36356415 asked Oct 1 '08 at 23:33 Trenton 3,51563238 http://stackoverflow.com/questions/160233/what-does-mysql-error-1025-hy000-error-on-rename-of-foo-errorno-150-me @skiphoppy - Are you trying to give a bounty to an already-given-answer? Is that even allowed? Or is your case different, in which case you should start another thread? –Rick James Jan 9 at 6:35 @RickJames Yes it is. However, skiphoppy should add her comment under the answer she elected, as the bouty message will disappear when the bounty is over. –RandomSeed Jan 11 at 15:25 add a comment| 10 Answers 10 active oldest votes up vote 176 down vote accepted You usually get this error if your tables use the InnoDB engine. In that case you would have to drop the foreign key, and then do the alter table and drop the column. But the tricky part is that you can't drop the foreign key using the column name, but instead you would have to find the name used to index it. To find that, issue the following select: SHOW CREATE TABLE region; This should show you the name of the index, something like this: CONSTRAINT region_ibfk_1 FOREIGN KEY (country_id) REFERENCES country (id) ON DELETE NO ACTION ON UPDATE NO ACTION Now simply issue an: alter table region drop foreign key region_ibfk_1; And finally an: alter table region drop
Hugo. RSS Feed. Baron Schwartz's Blog MySQL's ERROR 1025 explained Tue, Aug 22, 2006 in Databases MySQL issues a http://www.xaprb.com/blog/2006/08/22/mysqls-error-1025-explained/ cryptic error message, “Error on rename,” when you try to alter a table in such a way that it would break a foreign key constraint: create table test1(a int not null primary key)engine=innodb; create table test2(a int not null, foreign key(a) references test1 (a)) engine=innodb; alter table test2 modify a error on smallint not null; ERROR 1025 (HY000): Error on rename of './test/#sql-2fa8_1' to './test/test2' (errno: 150) This happens because ALTER TABLE really works by making a copy of the table, then renaming to move the old table out of the way and move the new table into its place. It is error on rename certainly one of the less meaningful error messages I’ve seen in MySQL. There’s slightly more information in the output of SHOW ENGINE INNODB STATUS, if you are looking there (of course, if you’re looking there you’re probably already clued in to what’s going on). And innotop can parse that information for you: In case you didn’t understand why the foreign key constraint was failing, the error message innotop parses out is much clearer. It’s because the foreign key columns in the parent and child table have to have the same data type. I was trying to change the child’s column to an incompatible type. I'm Baron Schwartz, the founder and CEO of VividCortex. I am the author of High Performance MySQL and many open-source tools for performance analysis, monitoring, and system administration. I contribute to various database communities such as Oracle, PostgreSQL, Redis and MongoDB. Newer Older Comments