Function pgx_pg_sys::get_restriction_variable

pub unsafe fn get_restriction_variable(
    arg_root: *mut PlannerInfo, 
    arg_args: *mut List, 
    arg_varRelid: c_int, 
    arg_vardata: *mut VariableStatData, 
    arg_other: *mut *mut Node, 
    arg_varonleft: *mut bool
) -> bool