关注 spark技术分享,
撸spark源码 玩spark最佳实践

DetermineTableStats

DetermineTableStats Logical PostHoc Resolution Rule — Computing Total Size Table Statistic for HiveTableRelations

Technically, DetermineTableStats is a Catalyst rule for transforming logical plans, i.e. Rule[LogicalPlan].

apply Method

Note
apply is part of Rule Contract to apply a rule to a logical plan (aka execute a rule).

apply…​FIXME

赞(0) 打赏
未经允许不得转载:spark技术分享 » DetermineTableStats
分享到: 更多 (0)

关注公众号:spark技术分享

联系我们联系我们

觉得文章有用就打赏一下文章作者

支付宝扫一扫打赏

微信扫一扫打赏