函数

Question

我正在尝试构建提取有关SQL Server实例的信息的函数，并使用以下信息更新表：

Import-Module "sqlps" -DisableNameChecking
. "D:\V1\CMS\Get-SQLInstance.ps1"

$serverName = 'VIRTSQL120S'
$tableName = 'SQL_SERVER_PRD'

function Update-Table ($srv, $tableName) {
    $get_sql_info = Get-SQLInstance -Computername $serverName

    foreach ($serverinstance in $get_sql_info) {
            $connectionstring=$serverinstance.FullName
            $instance=$serverinstance.SQLInstance
            $version=$serverinstance.Version
            $edition=$serverinstance.edition
            $caption=$serverinstance.Caption
            $port=$serverinstance.Instance_Port

            Invoke-Sqlcmd -ServerInstance 'VIRTSQL152S' -Database 'SQL_info' -Query "
                UPDATE $tableName SET instance = '$instance',
                connection_name = '$connectionstring',
                version = '$version',
                edition = '$edition',
                caption = '$caption',
                port = '$port'
                WHERE servername = '$serverName';"
    }
}

Update-Table $serverName, $tableName`

我得到的错误是：

  

Invoke-Sqlcmd：关键字“SET”附近的语法不正确。   在行：19 char：13   + Invoke-Sqlcmd -ServerInstance'VIRTSQL152S'-Database＆gt;'SQL_info'-Qu ...   +＆gt; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~      + CategoryInfo：InvalidOperation：（:) [Invoke-Sqlcmd]，＆gt; SqlPowerShellSqlExecutionException      + FullyQualifiedErrorId：＆gt; SqlError，Microsoft.SqlServer.Management.PowerShell.GetScriptCommand

如果我在函数外执行它，它没有问题。有什么帮助吗？

感谢。

我尝试使用查询变量，错误是相同的：

  

$ query =“UPDATE $ tableName SET instance ='$ instance'，`
                 connection_name ='$ connectionstring'，`
                 version ='$ version'，`
                edition ='$ edition'，`
                 caption ='$ caption'，`
                 port ='$ port'`
                 WHERE servername ='$ serverName';“