MySQL - Set default value for field as a string concatenation function

Question

I have a table that looks a bit like this actors(forename, surname, stage_name);

I want to update stage_name to have a default value of

forename.\" \".su         


        

Answer 1

According to 10.1.4. Data Type Default Values no, you can't do that. You can only use a constant or CURRENT_TIMESTAMP.

OTOH if you're pretty up-to-date, you could probably use a trigger to accomplish the same thing.