Is FOREIGN KEY ... ON DELETE CASCADE operational in mysql?
If so, I am not observing such. Here is how I am using it:
CREATE TABLE scheduled_task_list (
schedule_id CHAR(28) NOT NULL,
/* keys */
PRIMARY KEY (schedule_id)
);
CREATE TABLE scheduled_task_instances (
task_instance_id CHAR(28) NOT NULL,
schedule_id CHAR(28) NOT NULL,
/* keys */
PRIMARY KEY (task_instance_id),
/* constraints */
FOREIGN KEY (schedule_id)
REFERENCES scheduled_task_list (schedule_id)
ON DELETE CASCADE
);
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