Question

之前我曾经使用过BULK INSERT，但我刚刚注意到它在跳过第一行时遇到了问题。我宁愿不让它跳过任何东西，所以这是我一直在使用的代码。

IF OBJECT_ID('tempdb.dbo.#tempTable', 'U') IS NOT NULL
DROP TABLE #tempTable;

CREATE TABLE #tempTable
(
StartDate datetime,
EndDate datetime,
TransactionItemsMigrated bigint,
TransactionSizeBytes bigint,
CurrentItemsFailed bigint
)

BULK INSERT #tempTable
FROM 'C:\csv\xxxxx.csv' --change to CSV file location
WITH 
(
FIRSTROW = 2,
FIELDTERMINATOR = ',',
ROWTERMINATOR = '\n',
TABLOCK
)

INSERT INTO Transactions 
(
    ProjectID, 
    StartTime, 
    EndTime, 
    TransactionItemsMigrated, 
    TransactionSizeBytes,
    TransactionTimestamp,
    CurrentItemsFailed
)
SELECT 
    4, --change to projectID
    StartDate,
    EndDate,
    TransactionItemsMigrated,
    TransactionSizeBytes,
    GETDATE(), --sets TransactionTimestamp to current datetime
    CurrentItemsFailed 
FROM #tempTable

插入工作正常，但它跳过标题后的第一行数据。如果我取出标题并使用FIRSTROW = 1，FIRSTROW = 0，或者甚至完全注释FIRSTROW，它仍会跳过第一行。我查看了回车\ n或\ r \ n，但所有其他行都可以正常工作。我怀疑这是问题的根源，但我不确定如何将第一行拉入。源数据是一个没有应用格式的直接csv文件。想法？

Answer 1

我认为您需要再次查看数据的格式。也许某些看不见的白色空间紧贴在某个地方？

IF OBJECT_ID('tempdb.dbo.#tempTable', 'U') IS NOT NULL
DROP TABLE #tempTable;

CREATE TABLE #tempTable
(
StartDate datetime,
EndDate datetime,
TransactionItemsMigrated bigint,
TransactionSizeBytes bigint,
CurrentItemsFailed bigint
)

BULK INSERT #tempTable
FROM 'D:\User\Documents\test.csv' --change to CSV file location
WITH 
(
    FIRSTROW = 2,
    FIELDTERMINATOR = ',',
    ROWTERMINATOR = '\n',
    TABLOCK
)

SELECT * FROM #tempTable

此代码适用于此示例csv文件

StartDate,EndDate,TransactionItemsMigrated,TransactionSizeBytes,CurrentItemsFailed
2016-03-17,2016-03-17,0,1,2
2016-03-18,2016-03-17,1,1,2
2016-03-19,2016-03-17,2,1,2
2016-03-20,2016-03-17,3,1,2

使用此输出

StartDate   EndDate TransactionItemsMigrated    TransactionSizeBytes    CurrentItemsFailed
2016-03-17 00:00:00.000 2016-03-17 00:00:00.000 0   1   2
2016-03-18 00:00:00.000 2016-03-17 00:00:00.000 1   1   2
2016-03-19 00:00:00.000 2016-03-17 00:00:00.000 2   1   2
2016-03-20 00:00:00.000 2016-03-17 00:00:00.000 3   1   2

T SQL Bulk Insert使用或不使用标题跳过第一行

1 个答案: