如何使用 Inner-Join 转换此查询:
db_query("select max(field_date_and_time_value2) as last_time
from field_data_field_date_and_time
where (field_date_and_time_value2 > '".$today."')
AND (".$node->uid." = (select uid from node where nid = " . $node->nid ."))");