dbatools

1.1.70

internal/functions/Get-SqlDefaultPaths.ps1

                                function Get-SqlDefaultPaths {

    <#

    .SYNOPSIS

        Internal function. Returns the default data and log paths for SQL Server. Needed because SMO's server.defaultpath is sometimes null.

    #>

    [CmdletBinding()]

    [Diagnostics.CodeAnalysis.SuppressMessageAttribute("PSUseSingularNouns", "")]

    param (

        [Parameter(Mandatory)]

        [ValidateNotNullOrEmpty()]

        [object]$SqlInstance,

        [Parameter(Mandatory)]

        [ValidateNotNullOrEmpty()]

        [string]$filetype,

        [PSCredential]$SqlCredential

    )

    try {

        if ($SqlInstance -isnot [Microsoft.SqlServer.Management.Smo.SqlSmoObject]) {

            $Server = Connect-DbaInstance -SqlInstance $SqlInstance -SqlCredential $SqlCredential

        } else {

            $server = $SqlInstance

        }

    } catch {

        Stop-Function -Message "Failure" -Category ConnectionError -ErrorRecord $_ -Target $SqlInstance

        return

    }

    switch ($filetype) { "mdf" { $filetype = "data" } "ldf" { $filetype = "log" } }

    if ($filetype -eq "log") {

        # First attempt

        $filepath = $server.DefaultLog

        # Second attempt

        if ($filepath.Length -eq 0) { $filepath = $server.Information.MasterDbLogPath }

        # Third attempt

        if ($filepath.Length -eq 0) {

            $sql = "select SERVERPROPERTY('InstanceDefaultLogPath') as physical_name"

            $filepath = $server.ConnectionContext.ExecuteScalar($sql)

        }

    } else {

        # First attempt

        $filepath = $server.DefaultFile

        # Second attempt

        if ($filepath.Length -eq 0) { $filepath = $server.Information.MasterDbPath }

        # Third attempt

        if ($filepath.Length -eq 0) {

            $sql = "select SERVERPROPERTY('InstanceDefaultDataPath') as physical_name"

            $filepath = $server.ConnectionContext.ExecuteScalar($sql)

        }

    }

    if ($filepath.Length -eq 0) { throw "Cannot determine the required directory path" }

    $filepath = $filepath.TrimEnd("\")

    return $filepath

}

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