从表SQL中提取所有价格

Question

我有以下SQL查询，它是从选定期间总结旅游税。

SELECT
     BTR_DESCRIPTION AS TOURIST_TAX_NAME,
     ISNULL(BREAG_TOURIST_TAX_PRICE,0) AS PRICE,
     SUM(DATEDIFF(d, BRE_DATEFROM, BRE_DATETO)) AS QUANTITY,
     ISNULL(BREAG_TOURIST_TAX_PRICE,0) * SUM(DATEDIFF(d, BRE_DATEFROM, BRE_DATETO)) AS FINAL_PRICE
FROM BOS_RESERVATION
     LEFT OUTER JOIN BOS_RESADDGUEST ON BREAG_BRE_ID = BRE_ID
     LEFT OUTER JOIN BOS_TAX_REASONS ON BTR_ID = BREAG_BTR_ID
WHERE BREAG_DATEFROM >= '2018-02-28' AND BREAG_DATETO <= '2018-03-31'
GROUP BY BTR_DESCRIPTION, BREAG_TOURIST_TAX_PRICE

查询结果：

现在我要对FINAL_PRICE行中的所有值求和。所以结果必须是：5,652 但我不知道该怎么做。我尝试了以下SQL：

SUM(ISNULL(BREAG_TOURIST_TAX_PRICE,0) * SUM(DATEDIFF(d, BRE_DATEFROM, BRE_DATETO))) AS FINAL_PRICE_SUM

但是这给了我错误：无法对包含聚合或子查询的表达式执行聚合函数。

你能帮我解决一下如何从FINAL_PRICE行汇总所有值吗？

谢谢！

Answer 1

如果您想要总的最终价格，请使用CTE或子查询：

WITH r as (
      SELECT BTR_DESCRIPTION AS TOURIST_TAX_NAME,
             COALESCE(BREAG_TOURIST_TAX_PRICE, 0) AS PRICE,
             SUM(DATEDIFF(day, BRE_DATEFROM, BRE_DATETO)) AS QUANTITY,
             COALESCE(BREAG_TOURIST_TAX_PRICE, 0) * SUM(DATEDIFF(day, BRE_DATEFROM, BRE_DATETO)) AS FINAL_PRICE
      FROM BOS_RESERVATION LEFT OUTER JOIN
           BOS_RESADDGUEST
           ON BREAG_BRE_ID = BRE_ID LEFT OUTER JOIN
           BOS_TAX_REASONS
           ON BTR_ID = BREAG_BTR_ID
      WHERE BREAG_DATEFROM >= '2018-02-28' AND BREAG_DATETO <= '2018-03-31'
      GROUP BY BTR_DESCRIPTION, BREAG_TOURIST_TAX_PRICE
     )
SELECT SUM(FINAL_PRICE)
FROM r;

Answer 2

你可以这样做：

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<span id="number"></span>
<span data-ix-tag="__ix_data_shared_uint_80_" id="valve" data-ix-refresh="interval"></span>  

<script>
function GetValveTypeString(tag) {
    if (tag.value == 0) {
        document.getElementById("type").innerHTML = "";
    }
    else if (tag.value == 1) {
        document.getElementById("type").innerHTML = "DV";
    }
    else if (tag.value == 2) {
        document.getElementById("type").innerHTML = "AV";
    }
}
iX.createTag('__ix_data_shared_int_80_', GetValveTypeString, 'interval')
</script>

<script>
var valveID = document.getElementById("valve").innerHTML;
function GetValveID(tag) {
    if (tag.value == 0) {
        document.getElementById("number").innerHTML = "";
    }
    else if (tag.value == 1) {
        document.getElementById("number").innerHTML = valveID;
    }
    else if (tag.value == 2) {
        document.getElementById("number").innerHTML = valveID * 2;
    }
}
iX.createTag('__ix_data_shared_int_80_', GetValveID, 'interval')
</script>