Ad
Throw An Error Preventing A Table Update In A MySQL Trigger
If I have a trigger before the update on a table, how can I throw an error that prevents the update on that table?
Ad
Answer
Here is one hack that may work. It isn't clean, but it looks like it might work:
Essentially, you just try to update a column that doesn't exist.
Ad
source: stackoverflow.com
Related Questions
- → I can't do a foreign key, constraint error
- → How to implement DbDongle::convertTimestamps as workaround of invalid timestamps with MySql strict
- → MySQL error "Foreign key constraint is incorrectly formed"
- → Eloquent Multitable query
- → "Laravel 5.1" add user and project with userId
- → Database backup with custom code in laravel 5 and get the data upto 10 rows from per table in database
- → Laravel 5.1 QueryException when trying to delete a project
- → Using Array in '->where()' for Laravel Query Building
- → Chaining "Count of Columns" of a Method to Single Query Builder
- → Laravel Eloquent Joining Strange query
- → convert time using mysql laravel 5
- → How to update a column after an expiration date in MySQL?
- → Foreign key constraint fails on existing key
Ad