rbock f029e5993b Allow in() and not_in() to have zero arguments ...

This is then equivalent to in(value_list(some_empty_vector)) and
not_in(value_list(some_empty_vector):

tab.a.in() evaluates to false
tab.a.not_in() evaluates to true

2015-12-19 15:15:04 +01:00

..

sqlpp11

Allow in() and not_in() to have zero arguments

2015-12-19 15:15:04 +01:00