使用（周日-周六）按周汇总

Question

SELECT 
    CONCAT(CAST(WEEK(CAST(date as DATE)) as VARCHAR), ' - WEEK') as week,
    COUNT(DISTINCT(field1)) as field1_count,
    SUM(amount) as amount
FROM table
WHERE SUBSTR(DATE, 1, 4) = '2020'
GROUP BY 1
ORDER BY 1

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是否可以确保此处的汇总为Sun - Sat？当前在Mon - Sun

上汇总

Answer 1

在日期前增加一天：

SELECT CONCAT(CAST(WEEK(CAST(date + INTERVAL '1' DAY as DATE)) as VARCHAR), ' - WEEK') as week,