是否有工具将文件加载到varbinary(max)字段?

时间:2011-03-19 18:53:08

标签: sql-server-2008 varbinarymax

我正在考虑创建一个工具来加载SQL Server 2008数据库中的varbinary(max)字段,其中包含从打开文件对话框中选择的文件。我可以使用任何此类工具或等效工具吗?我的SQL服务器位于托管环境中,我无法对服务器进行物理访问,因此无法使用TSQL加载它。

1 个答案:

答案 0 :(得分:6)

powershell怎么样?

# from: http://sev17.com/2010/05/t-sql-tuesday-006-blobs-filestream-and-powershell/
#
$server = "superfly\sqlexpress"
$database = "Yak"
$query = "INSERT dbo.FileStore VALUES (@FileData, @FileName)"
$filepath = "d:\yak.txt"
$FileName = get-childitem $filepath | select -ExpandProperty Name

$connection=new-object System.Data.SqlClient.SQLConnection
$connection.ConnectionString="Server={0};Database={1};Integrated Security=True" -f $server,$database
$command=new-object system.Data.SqlClient.SqlCommand($query,$connection)
$command.CommandTimeout=120
$connection.Open()

$fs = new-object System.IO.FileStream($filePath,[System.IO.FileMode]'Open',[System.IO.FileAccess]'Read')
$buffer = new-object byte[] -ArgumentList $fs.Length
$fs.Read($buffer, 0, $buffer.Length)
$fs.Close()

$command.Parameters.Add("@FileData", [System.Data.SqlDbType]"VarBinary", $buffer.Length)
$command.Parameters["@FileData"].Value = $buffer
$command.Parameters.Add("@FileName", [System.Data.SqlDbType]"NChar", 50)
$command.Parameters["@FileName"].Value = $FileName
$command.ExecuteNonQuery()

$connection.Close()