摘要: 1. 案例sql select A,B from testdata2 where A>2 对应的执行计划: == Analyzed Logical Plan == Project [A#23, B#24] +- Filter (A#23 > 2) +- SubqueryAlias testdata2 阅读全文
posted @ 2023-04-03 22:45 一y样 阅读(53) 评论(0) 推荐(0) 编辑