If I set up a default= function on a column like this:
def default_user_initials(context):
return context.current_parameters['user_name']
Column("_initials_", Unicode(16), nullable=False,
default=default_user_initials)
Then I am passed the 'context' object. Is there any way to get the
instance or the instance state using the context object? Also, it is
acceptable to include code that may issue a database query or cause a
lazy load from the above default_user_initials() function or must
these be avoided during the invocation of column default functions?
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