How to temporarily disable foreign key constraint in django
ForeignKey is a many-to-one relationship. Requires a positional argument: the class to which the model is related. 
It must be Relation (class) or Null (if null allowed). You cannot set 0 (integer) to ForeignKey columnn.
I have to update a record which have foreign key constraint.
i have to assign 0 to the column which is defined as foreign key
while updating django don't let me to update record.