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Hive 如何插入数组<;地图<;字符串,int>&燃气轮机;到蜂箱桌上?_Hive_Hiveql_Beeline - Fatal编程技术网

Hive 如何插入数组<;地图<;字符串,int>&燃气轮机;到蜂箱桌上?

Hive 如何插入数组<;地图<;字符串,int>&燃气轮机;到蜂箱桌上?,hive,hiveql,beeline,Hive,Hiveql,Beeline,我有一个蜂箱表,如下所示: 0: jdbc:hive2://Desktop:10000> desc tb_test2; +-------------+-------------------------+----------+ | col_name | data_type | comment | +-------------+-------------------------+----------+ | name | string

我有一个蜂箱表,如下所示:

0: jdbc:hive2://Desktop:10000> desc tb_test2;
+-------------+-------------------------+----------+
|  col_name   |        data_type        | comment  |
+-------------+-------------------------+----------+
| name        | string                  |          |
| score_list  | array<map<string,int>>  |          |
+-------------+-------------------------+----------+

我试过这样做:

A   [{"math":100,"english":90,"history":85}]  
B   [{"math":95,"english":80,"history":100}]  
C   [{"math":80,"english":90,"histroy":100}]  
0: jdbc:hive2://Desktop:10000> insert into tb_test2 values("A",Map("math":100,"english":90,"history":85));
但我得到了一个错误:

Error: Error while compiling statement: FAILED: ParseException line 1:42 cannot recognize input near '"math"' ':' '100' in constant (state=42000,code=40000)

我认为应该使用逗号,并且还需要指定数组

insert into tb_test2 select "A", array(map("math",100,"english",90,"history",85)) from (select 1) x;

错误:编译语句时出错:失败:SemanticException[错误10293]:无法为insert/values(状态=42000,代码=10293)中不支持的TOK_函数类型的insert values表达式创建临时文件。感谢您的答复,但此答案给出了上述错误…@needhelp尝试更新的答案?似乎有必要从虚拟表中进行选择,如所述,感谢您的帮助……有没有办法将3个地图放在一个地图中?我不理解“将3个地图放在一个地图中”。你能举一个期望输出的例子吗?