0
这是一个有效的MySQL查询,你可以使用嵌套查询外的列的别名? (series_id_a和series_id_b是函数的输入,这是应该在一个函数被使用)嵌套MySQL查询列别名
select x1 as x1a, x2 as x2a, y1 as y1a, y2 as y2a FROM region WHERE series_id = series_id_a AND EXISTS(
SELECT x1 as x1b, x2 as x2b, y1 as y1b, y2 as y2b FROM region WHERE series_id = series_id_b AND x1b = x1a AND x2b = x2a AND y1a = y1b AND y2a = y2b
)
这是有道理的,我知道排位赛却不得不线索,你可以像嵌套查询中出线。感谢和抱歉打扰。 –