Function pgx_pg_sys::get_join_variables

pub unsafe fn get_join_variables(
    arg_root: *mut PlannerInfo, 
    arg_args: *mut List, 
    arg_sjinfo: *mut SpecialJoinInfo, 
    arg_vardata1: *mut VariableStatData, 
    arg_vardata2: *mut VariableStatData, 
    arg_join_is_reversed: *mut bool
)