Mysql on delete cascade not working

I want it so that if a follower account is delete all follows for that account will be delete and if an account being followed is delete all follows for that account will be deleted as well. Am I not using it correctly? SERIAL PRIMARY KEY, data.

InnoDB automatically deletes also all those rows in the child table whose foreign key values are equal to the referenced key value in the parent row. SQL foreign keys not working when set to on delete cascade. Leaving orphan records in child tables.

If i use delete from quiz , it works out successfully. I am curious why truncate is not working in this case. I tried this query from phpmyadmin and MYSQL workbench. HOW TO REPRODUCE IT: - Done with: Windows XAMPP for Windows Version 1. I wonder whether someone may be able to help me please. After reading through some posts on Stackoverflow and from.

But it works only on Postgres and Ms-SQl but not on MySql (Tried InnoDb as well). The on delete cascade is not generated in the schema generation query. This Work is Under CC license. Ask Question Asked years, months ago.

Active years, months ago. I am running the below query in ideone. CREATE TABLE AUTHOR ( AUTHOR_ID NUMBER(5) PRIMARY KEY, AUTHOR_NAME V. ON DELETE CASCADE not deleting entry for foreign key. I cannot see why this bug is closed although it has not been fixed. The described behaviour is not comprehensible at all.

Please reopen this bug and look for a real solution. Documenting it as known behaviour will lead to a database that is not reliable because you will always have to look for some unexpected bahaviour. Description: Replication is failing as DELETE CASCADE clause is not working as expected in 5. Master is not detecting cascade clause in 5. If you do not specify cascading deletes , the default behavior of the database server prevents you from deleting.

A foreign key constraint cannot reference a virtual generated column. The speed of delete operations may also be affected by factors discussed in Section 8. Optimizing DELETE Statements”. It is working ok when I run SQL delete from mysql console.

Datasource and JBoss-CMP. Delete cascade (6) I have two tables: tracks and waypoints, a track can have many waypoints, but a waypoint is assigned to only track. Foreign key constraints in Android using SQLite? Content reproduced on this site is the property of the respective copyright holders.

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