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Mysql drop index error on rename

すると、 次のようなエラーが。 [ HY000] [ 1025] Error on rename of '. / mydb/ # sql- 7dda_ a5' to '. In that case you would have to drop the foreign key, and then do the alter table and drop the column. you can' t drop the foreign key using the column name, but instead you would have to find the name used to index it. 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. This statement resolved the issue ( # 1025, errno: 150), but the index remained in the table. Error on rename of. errno: 150 - Foreign key constraint is incorrectly formed). allow you to temporarily delete a row in the currency table or add an invalid currencyId in the foreign key tables, but not to drop the primary key. However, I have been able to find circumstances to reproduce the error, namely when executing the DROP FOREIGN KEY on the same foreign. He mentions that the index key ( KEY) prevents the foreign key from dropping. DROP INDEX時に予め, まあ個人的な備忘録です。. ALTER TABLE 対象テーブル名 DROP INDEX ` インデックス名`. は何時間もかかる) が終わって、 それをリネームする 段階になって初めてエラーが出てくるんじゃなくて。 ラベル: MySQL.

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  • Video:Error mysql drop

    Mysql error rename

    To find out which table caused the error you can run SHOW ENGINE INNODB STATUS and then look at the LATEST FOREIGN KEY ERROR. ALTER TABLE ` table_ name` DROP FOREIGN KEY ` id_ name_ fk` ; ALTER TABLE ` table_ name` DROP INDEX ` id_ name_ fk` ;. To bypass this in PHPMyAdmin or with MySQL, first remove the foreign key constraint before renaming the attribute. For example I had a unique index involving two separate foreign key columns. I had to drop the foreign keys in question before I could drop the unique index. ( And obviously you can add the foreign keys back afterward. DROP INDEX は、 テーブル tbl_ name から index_ name という名前のインデックスを 削除します。 このステートメントは、 この. これらのキーワードを標準の MySQL Server 5. 6 リリースで使用しようとすると、 構文エラーが発生します。 ONLINE および OFFLINE.