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问题描述
我在impala中有一个sql查询,从表中选择*
,但是当我执行此操作时,某些列丢失了.
I have an sql query within impala select * from table
but when I execute this certain columns are missing .
当我做描述表
时,这些列在那里.
Whereas when I do describe table
those columns are there.
我无法显示代码段,但未显示的类型是地图,数组和结构.
I cannot show the snippet but the types not showing up are maps,arrays, and structs.
推荐答案
Impala不支持.复杂类型必须解压才能显示.
Impala doesn't support that. Complex types have to be unpacked to be displayed.
来源:查询和复杂类型
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