Arrays 将jSON数组导入Hive/Hadoop

Arrays 将jSON数组导入Hive/Hadoop,arrays,json,hadoop,Arrays,Json,Hadoop,我正在使用,并且已经将jSON字符串导入到表中,但是我遇到了问题,因为我的字符串包含一个数组,而jSON_tuple()无法很好地处理该数组。我尝试了expolode()函数,但返回以下错误: “执行配置单元查询时出错:确定失败:UDFArgumentException explode()将数组或映射作为参数” 这到底意味着什么?我如何修复它?问题是表格的格式吗?我只是按照上面的指南创建了表: CREATE EXTERNAL TABLE games ( value STRING ) LO

我正在使用,并且已经将jSON字符串导入到表中,但是我遇到了问题,因为我的字符串包含一个数组,而jSON_tuple()无法很好地处理该数组。我尝试了expolode()函数,但返回以下错误:

“执行配置单元查询时出错:确定失败:UDFArgumentException explode()将数组或映射作为参数”

这到底意味着什么?我如何修复它?问题是表格的格式吗?我只是按照上面的指南创建了表:

CREATE EXTERNAL TABLE games
(
    value STRING
)
LOCATION '/user/hue/games'
我试图分解的值是如下所示的数组:

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非常感谢任何帮助

explode()配置单元函数接受一个配置单元数组或映射,并给它一个字符串值。json_tuple()在指南中起到了作用,因为它将字符串变成了一个映射

您需要将json数组转换为hive可以接受的格式,或者使用json序列或类似的东西来查询所需的方式


Lucas非常感谢您的帮助。所以问题是我的桌子的结构?我查看了SerDe,但不知道如何将其安装到HortonWorks沙箱中。或者我可以使用addjar行来调用它吗?