Question

我有以下表格

CREATE TABLE Company
(
Id INT
)

CREATE TABLE CompanyNumbers
(
CompanyId INT,
NumberText VARCHAR (255)
)

我想要的输出是伪代码

将公司A的所有数字作为单个逗号分隔的字符串给我，如果该字符串包含超过150个数字，则输出另一行，下一个150直到完成。

实现这一目标的最佳方法是什么？基本上输出150个这样的批次：

CompanyId | Batch
1         | 3344,444,5555,6444, 444, 44, 44555, 5555... > 150 of them 
2         | 33343,33, 2233,3 (second row if more than 150)

我希望在存储过程中完成此操作。

Answer 1

WITH    cb AS
        (
        SELECT  CompanyId, NumberText, ROW_NUMBER() OVER (PARTITION BY CompanyID ORDER BY NumberText) AS rn
        FROM    CompanyNumbers
        )
SELECT  CompanyID, batch,
        (
        SELECT  CASE WHEN rn % 150 = 1 THEN '' ELSE ', ' END + NumberText AS [text()]
        FROM    cb
        WHERE   cb.CompanyID = cbd.CompanyID
                AND rn BETWEEN cbd.batch * 150 + 1 AND cbd.batch * 150 + 150
        FOR XML PATH('')
        )
FROM    (
        SELECT  DISTINCT CompanyID, FLOOR((rn - 1) / 150) AS batch
        FROM    cb
        ) AS cbd

SQL Server中的批处理输出

1 个答案: