[英]bulk load to azure using php
我正在尝试使用 PHP 将 CSV 加载到 Azure 网络服务器数据库。 每个 CSV 文件有 2000 行。 我让它工作了,但是当我在 web 页面上运行文件时,数据库只更新了 479 个条目,我不知道为什么。 该网页需要很长时间才能处理,然后它会显示页面说它已完成。 这是我对插入语句的内容。
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();
}
非常感谢任何帮助!
我认为我们有两个解决方案:
解决方案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.
解决方案2
设计一个存储过程,将文件名作为参数传递。
示例代码:
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调用这个sqlserver存储过程实例。
但不要直接将BULK INSERT 插入到您的真实表中。
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
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.