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Error 1025 (hy000) Error On Rename Of (errno 150)
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 of './foo' (errorno: 150) mean? up vote 122 down vote favorite
Error 1025 Error On Rename Of
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 3,53563238 @skiphoppy - Are you trying to give a bounty to an already-given-answer? Is that even allowed? error 1025 outlook mac 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 179 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 column country_id; And you are good to go! share|improve this answer answered Apr 11 '11 at 0:45 Jeshurun 13.2k44869 7 If I could upvote this twice I would. Cheers! Grea
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log in tour help Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about http://dba.stackexchange.com/questions/86853/1025-error-on-rename-of-table-errno-150-table-was-deleted-while-tried-to-a Stack Overflow the company Business Learn more about hiring developers or posting ads with us Database Administrators Questions Tags Users Badges Unanswered Ask Question _ Database Administrators Stack Exchange is a question and answer site for database professionals who wish to improve their database skills and learn from others in the community. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody error 1025 can answer The best answers are voted up and rise to the top #1025 - Error on rename of table errno: 150 : Table was deleted while tried to assign foreign key up vote 1 down vote favorite When I tried to assign foreign key to a table named mydb.table1 it was deleted from my database, I could not understand the reason and tried to move on. For this tried to error on rename create same table with create SQL but it says #1005 - Can't create table 'mydb.table1' (errno: 150) Now I created same schema table with table name table2, this was successfully created but as my application code is written for table1, I need to rename this table to table1 again on which gives me following error. #1025 - Error on rename of table errno: 150 Also tried to run alter table query with set foreign_key_checks = 0. But same error. While searching I came accross below SQL, SHOW INNODB ENGINE STATUS; Which displays following message 141223 11:30:10 Error in foreign key constraint of table myahd/table1: there is no index in the table which would contain the columns as the first columns, or the data types in the table do not match the ones in the referenced table or one of the ON ... SET NULL columns is declared NOT NULL. Constraint:, CONSTRAINT "fk_key9" FOREIGN KEY ("updated_by") REFERENCES "users" ("userid") ON DELETE NO ACTION ON UPDATE NO ACTION While there is no such table listed in my database with name table1. Nor any such key is found with fk_key9. May be I can delete this table1's idb or frm file, but unable to locate it. Or may be there is some other solution.