临时视图TempViewp中默认的视图的生命周期仅为当前e会话会话结束视图消失egiseeDataFrameasaSQLtempreateOrReplaceTempView(people)Tiewpeoplemeelti如果需要临时视图在整个p程序中都存在可以使用TempViewegistertheDataFrameasaglobaltemporaryviewreateGlobalTempView(people)temporaryviewistiedtoasystempreserveddatabaseSELECT*l_temp.people).show()age|name|null|Mchael|Justin|temporaryviewiscross-sessionk.newSession().sql(SELECT*_temp.people).showage|name|null|Mchael|empi