Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
718 views
in Technique[技术] by (71.8m points)

mysql - Trigger calls in cascade deleting

I have table "A" in MySQL. It has some references with cascade deleting to some other tables ("B", "C", "D" ...). I need to use a trigger when something deletes from "A". This trigger works when I delete records from "A" directly. But it doesn't work with cascade deleting. Does any version of MySQL exist where my trigger will work with cascade deleting? Or, maybe, there is another way to call

See Question&Answers more detail:os

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Answer

0 votes
by (71.8m points)

From http://dev.mysql.com/doc/refman/5.6/en/innodb-restrictions.html

Cascaded foreign key actions do not activate triggers

In other words, you cannot use the trigger with cascaded deleting.

Also see related bugs:


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

...