字段处理：concat_ws(',',collect_list(concat_ws(':',ht.data_column,ht.data_value))))
效果："key1:100,key2:200,key3:300,..."
字段处理：str_to_map(concat_ws(',',collect_list(concat_ws(':',ht.data_column,cast(ht.data_value as string)))))
效果：
["key1":"100","key2":"200","key3":"300",...]
