我正在尝试理解和学习查询...但是当结果似乎没有从教程中重复时-变得很难...您能告诉我我没看到什么吗?
有一个示例here
WITH races AS (
SELECT "800M" AS race,
[STRUCT("Rudisha" as name, [23.4, 26.3, 26.4, 26.1] as splits),
STRUCT("Makhloufi" as name, [24.5, 25.4, 26.6, 26.1] as splits),
STRUCT("Murphy" as name, [23.9, 26.0, 27.0, 26.0] as splits),
STRUCT("Bosse" as name, [23.6, 26.2, 26.5, 27.1] as splits),
STRUCT("Rotich" as name, [24.7, 25.6, 26.9, 26.4] as splits),
STRUCT("Lewandowski" as name, [25.0, 25.7, 26.3, 27.2] as splits),
STRUCT("Kipketer" as name, [23.2, 26.1, 27.3, 29.4] as splits),
STRUCT("Berian" as name, [23.7, 26.1, 27.0, 29.3] as splits)]
AS participants)
SELECT
race,
participant
FROM races r
CROSS JOIN UNNEST(r.participants) as a participant;
+------+---------------------------------------+
| race | participant |
+------+---------------------------------------+
| 800M | {Rudisha, [23.4, 26.3, 26.4, 26.1]} |
| 800M | {Makhloufi, [24.5, 25.4, 26.6, 26.1]} |
| 800M | {Murphy, [23.9, 26, 27, 26]} |
| 800M | {Bosse, [23.6, 26.2, 26.5, 27.1]} |
| 800M | {Rotich, [24.7, 25.6, 26.9, 26.4]} |
| 800M | {Lewandowski, [25, 25.7, 26.3, 27.2]} |
| 800M | {Kipketer, [23.2, 26.1, 27.3, 29.4]} |
| 800M | {Berian, [23.7, 26.1, 27, 29.3]} |
+------+---------------------------------------+
我在BigQuery控制台中运行它并仅获得
Row race participant.name participant.splits
1
800M
Rudisha
23.4
26.3
26.4
26.1
看起来应该只是其中的第一项。有什么想法吗?
答案 0 :(得分:0)
BigQuery在小窗口中每页显示行数。窗口底部是每页显示多少行的设置... Json包含了所有结果,更改设置后,它们都可以在标准表中预览。
我本来想念的。