[英]bulk load to azure using php
我正在嘗試使用 PHP 將 CSV 加載到 Azure 網絡服務器數據庫。 每個 CSV 文件有 2000 行。 我讓它工作了,但是當我在 web 頁面上運行文件時,數據庫只更新了 479 個條目,我不知道為什么。 該網頁需要很長時間才能處理,然后它會顯示頁面說它已完成。 這是我對插入語句的內容。
try {
$connection = new PDO("sqlsrv:server = tcp:".$SrvName.",1433; Database = ".$DBName, $SQL_USER, $SQL_PASS);
if (($handle = fopen("personal.csv", "r")) !== FALSE) {
while (($data = fgetcsv($handle, 1000, ",")) !== FALSE) {
$num = count($data);
$sql = "INSERT INTO personal (clientId, lastname, ssn)
VALUES ($data[0], $data[1],$data[2])";
$statement = $connection->prepare($sql);
$statement->execute();
}
fclose($handle);
}
} catch(PDOException $error) {
echo $sql . "<br>" . $error->getMessage();
}
非常感謝任何幫助!
我認為我們有兩個解決方案:
解決方案1
How to: Send Data as a Stream : The Microsoft Drivers for PHP for SQL Server takes advantage of PHP streams for sending large objects to the server.
解決方案2
設計一個存儲過程,將文件名作為參數傳遞。
示例代碼:
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE PROCEDURE [dbo].[spBulkInsert] @FileName varchar(255)
AS
declare @sql varchar(max)
BEGIN Try
set @sql =
'INSERT into ext.customer_Staging with (TABLOCK) (customer, age, gender)
SELECT * FROM OPENROWSET(
BULK '+ @FileName + ',
DATA_SOURCE = ''MyDataSource'',
FORMAT = ''CSV'',
FORMATFILE_DATA_SOURCE = ''MyDataSource''
) AS DataFile;
go'
exec(@sql)
END TRY
BEGIN CATCH
PRINT ERROR_MESSAGE()
END CATCH
GO
然后使用php調用這個sqlserver存儲過程實例。
但不要直接將BULK INSERT 插入到您的真實表中。
INSERT into ext.customer_Staging with (TABLOCK) (customer, age, gender)
SELECT * FROM OPENROWSET(
BULK 'bs140513_032310-demo.csv',
DATA_SOURCE = 'MyDataSource',
FORMAT = 'CSV',
FORMATFILE_DATA_SOURCE = 'MyDataSource'
) AS DataFile;
go
INSERT INTO ext.customer(Name, Address)
SELECT customer, age, gender
FROM ext.customer_Staging
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