如何在BigQuery Standard SQL中生成序列 [英] How to generate series in BigQuery Standard SQL
本文介绍了如何在BigQuery Standard SQL中生成序列的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我需要用每行600个连续数字(从51开始)生成 say 表格. 如何使用BigQuery Standard SQL做到这一点?
I need to generate table with say 600 consecutive numbers (starting with 51) in each row
How I do this with BigQuery Standard SQL?
推荐答案
BigQuery标准SQL
BigQuery Standard SQL
SELECT 50 + ROW_NUMBER() OVER() AS num
FROM UNNEST((SELECT SPLIT(FORMAT("%600s", ""),'') AS h FROM (SELECT NULL))) AS pos
ORDER BY num
BigQuery旧版SQL
BigQuery Legacy SQL
SELECT 50 + pos AS pos FROM (
SELECT ROW_NUMBER() OVER() AS pos, *
FROM (FLATTEN((SELECT SPLIT(RPAD('', 600, '.'),'') AS h FROM (SELECT NULL)), h))
) WHERE pos BETWEEN 1 AND 600
您可以在其中调整逻辑(例如)以获得连续的天数和其他顺序
From there you can adjust logic for example to get consecutive days and other sequences
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