关于sparkSQL子查询的相关问题_我在北国不背锅的博客_spark 子查询

sparkSQL支持的子查询:

spark.sql("select u1 from (select u1,u2,u3 from tableTemp)").show()

spark.sql("select u1 from tableTemp1 where u1 > (select max(pre) from tableTemp2)").show()
spark.sql("select u1 f