如何在Bigquery中查询数组数据

Question

如何根据表名studentdb查询表的所有详细信息？

+-----------+------------+------------+
| tags.path | tags.value | gender data
+-----------+------------+------------+
| id/name   | Ram        | male
+-----------+------------+------------+
| id/name   | Leela      | female
+-----------+------------+------------+
| id/number | 123        |  null
+-----------+------------+------------+
| id/number | 456        |  null
+-----------+------------+------------+
| id/name   | hello      |  null
+-----------+------------+------------+     

Answer 1

  

我实际上想知道拉姆（Ram）这个名字出现了多少次– 3分钟前是特里（terry）

取决于表的实际架构是什么：

SELECT COUNT(*) c 
FROM `table`, UNNEST(tags) t
WHERE t.path = 'id/name' AND t.value='Ram'