How to use F() expression to flip the boolean field

2009-06-23 Thread jay.sh...@gmail.com
Hi there, I'm using django 1.1 beta now. There is a boolean column in my table. I want to filp all the value, that is True to False and False to True. I found the F() expression in django 1.1 beta, and tried to use to to satisfy my request but failed. Here is my usage: = code start = class

How to customize field to get the correct python value?

2009-09-24 Thread jay.sh...@gmail.com
Hi there, I have a question on customize the db field. For this field, I want to save integers in db, but want them to be my custom class when they are used in Python code. In Django docs, it's said that I should set the __metaclass__ to be models.SubfieldBase to make to_python() work. I tried it