[英]SQL Server : Split a single column value comma seperated to multiple columns
現在,我是SQL Server的新手,並嘗試拆分以逗號分隔的列值,並且我希望每個數據都具有單獨的列。
2270,2290,2234,2245,2256
我希望結果是這樣的:
| Split column |
2270
2290
2234
如果我不在這里,您有什么想法會受到贊賞嗎? 我具有String_split
並將兼容性設置為140,因為我正在使用SQL Server 2017.但是我得到的只是
2270,2290,2234
2270,2290,2234
2270,2290,2234
這是查詢,其中輸出將看起來像我在問題中發布的樣子,需要拆分:
SELECT ERSBusinessLogic_InputDataSeries
FROM [AnimalProductsCoSD].[CoSD].[ERSBusinessLogic]
WHERE
ERSBusinessLogic_InputGeographyDimensionID = 7493
AND ERSBusinessLogic_InputTimeDimensionValue = 'all months'
AND ERSBusinessLogic_Type = 'HS10 aggregation';
您遇到了問題,因為split_string()
不會保持結果的順序。 啊! 這已經是Microsoft的一項功能請求。
您的字符串的格式看起來很規范。 如果是這樣,您可以只使用substring()
:
SELECT LEFT(ERSBusinessLogic_InputDataSeries, 4) as str1,
SUBSTRING(ERSBusinessLogic_InputDataSeries, 5, 4) as str2,
RIGHT(ERSBusinessLogic_InputDataSeries, 4) as str3
FROM [AnimalProductsCoSD].[CoSD].[ERSBusinessLogic]
WHERE ERSBusinessLogic_InputGeographyDimensionID = 7493 AND
ERSBusinessLogic_InputTimeDimensionValue = 'all months' AND
ERSBusinessLogic_Type = 'HS10 aggregation';
如果順序無關緊要,則可以使用split_string()
:
SELECT ss.*
FROM [AnimalProductsCoSD].[CoSD].[ERSBusinessLogic] ebl OUTER APPLY
(SELECT MAX(CASE WHEN seqnum = 1 THEN val END) as str1,
MAX(CASE WHEN seqnum = 2 THEN val END) as str2
MAX(CASE WHEN seqnum = 3 THEN val END) as str3
FROM (SELECT ss.val, ROW_NUMBER() OVER (ORDER BY (SELECT NULL)) as seqnum
FROM split_string(ERSBusinessLogic_InputDataSeries, ',') ss(val)
) ss
) ss
WHERE ERSBusinessLogic_InputGeographyDimensionID = 7493 AND
ERSBusinessLogic_InputTimeDimensionValue = 'all months' AND
ERSBusinessLogic_Type = 'HS10 aggregation';
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